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searching for Engine efficiency 161 found (188 total)

Cutoff (steam engine) (569 words) [view diff] exact match in snippet view article

cylinder at the end of the stroke, this is achieved at the expense of engine efficiency. In this situation the steam will still have considerable pressure

Stoddard engine (187 words) [view diff] exact match in snippet view article find links to article

exchangers (sometimes called "dead volume"), which is known to reduce engine efficiency and power output in the valveless Stirling engine. The generalized

Carnot's theorem (thermodynamics) (2,536 words) [view diff] exact match in snippet view article

and cold reservoirs. The maximum efficiency (i.e., the Carnot heat engine efficiency) of a heat engine operating between hot and cold reservoirs, denoted

Flued boiler (2,304 words) [view diff] exact match in snippet view article find links to article

were developed in an attempt to raise steam pressures and improve engine efficiency. Early haystack designs of Watt's day were mechanically weak and often

Cold air intake (646 words) [view diff] exact match in snippet view article find links to article

Aftermarket cold air intake systems are marketed with claims of increased engine efficiency and performance. The putative principle behind a cold air intake is

Thermodynamics (5,843 words) [view diff] exact match in snippet view article find links to article

the work of French physicist Sadi Carnot (1824) who believed that engine efficiency was the key that could help France win the Napoleonic Wars. Scots-Irish

Valve float (389 words) [view diff] exact match in snippet view article find links to article

properly follow the closure phase of the cam lobe profile. This reduces engine efficiency and performance. There is also a significant risk of severe engine

Expansion valve (steam engine) (1,805 words) [view diff] exact match in snippet view article

expansion valve is a device in steam engine valve gear that improves engine efficiency. It operates by closing off the supply of steam early, before the

Clausius theorem (2,694 words) [view diff] no match in snippet view article find links to article

The Clausius theorem, also known as the Clausius inequality, states that for a thermodynamic system (e.g. heat engine or heat pump) exchanging heat with

VVT-i (1,808 words) [view diff] exact match in snippet view article find links to article

exhaust valve closing and intake valve opening result in improved engine efficiency. Variants of the system, including VVTL-i, Dual VVT-i, VVT-iE, VVT-iW

Hydrogen fuel enhancement (1,337 words) [view diff] exact match in snippet view article find links to article

tests done in their laboratory in 2004 they found no improvement in engine efficiency or fuel economy. There are also many aftermarket kits available for

Rocket (11,411 words) [view diff] exact match in snippet view article find links to article

directed jet of gas, more than doubling the thrust and raising the engine efficiency from 2% to 64%. His use of liquid propellants instead of gunpowder

Toyota MZ engine (1,195 words) [view diff] exact match in snippet view article find links to article

assemblies, smoother operation at that engine speed, and increased engine efficiency.[citation needed] The MZ series has an aluminium engine block and

Jet engine (8,029 words) [view diff] exact match in snippet view article find links to article

standard definition is used to assess how different things change engine efficiency and also to allow comparisons to be made between different engines

Relativistic rocket (1,611 words) [view diff] exact match in snippet view article find links to article

require huge advances in spacecraft propulsion, energy storage, and engine efficiency which may or may not ever be possible. Nuclear pulse propulsion could

Heat engine (3,858 words) [view diff] exact match in snippet view article find links to article

{\displaystyle Q_{h}} , for instance from combustion of a fuel, so the engine efficiency is reasonably defined as η = | W | Q h = Q h + Q c Q h = 1 + Q c Q

Scotch yoke (692 words) [view diff] exact match in snippet view article find links to article

percentage of time spent at top dead centre (dwell) improves theoretical engine efficiency of constant volume combustion cycles. It allows the elimination of

Maximum potential intensity (2,052 words) [view diff] exact match in snippet view article find links to article

W_{in}=\epsilon Q_{in}} where ϵ {\displaystyle \epsilon } is the heat engine efficiency and Q i n {\displaystyle Q_{in}} is the total rate of heat input into

Propulsion (1,767 words) [view diff] exact match in snippet view article find links to article

condition. For these airplanes, excess thrust is not as important as high engine efficiency and low fuel usage. Since thrust depends on both the amount of gas

General Electric T901 (557 words) [view diff] exact match in snippet view article find links to article

temperature CMCs replace metal alloys, needing less cooling and improving engine efficiency. Bell 360 Invictus Sikorsky Raider X Data from 2019 ARPA-E INTEGRATE

Gas engine (2,129 words) [view diff] exact match in snippet view article find links to article

efficiency methane-fueled 24-cylinder gas engine. When considering engine efficiency one should consider whether this is based on the lower heating value

Dual ignition (977 words) [view diff] exact match in snippet view article find links to article

such as duplicate magnetos or ignition coils. Dual ignition promotes engine efficiency by initiating twin flame fronts, giving faster and more complete burning

Exhaust gas recirculation (2,772 words) [view diff] exact match in snippet view article find links to article

be compensated for by advancing spark timing. The impact of EGR on engine efficiency largely depends on the specific engine design, and sometimes leads

Volumetric efficiency (887 words) [view diff] exact match in snippet view article find links to article

Measure of engine efficiency

Zero-stage (901 words) [view diff] exact match in snippet view article find links to article

engines to increase their performance. This addition serves to enhance engine efficiency by increasing both the cycle overall pressure ratio and the core mass

Overall pressure ratio (886 words) [view diff] exact match in snippet view article find links to article

1 at low power settings. The broadly equivalent measure of rocket engine efficiency is chamber pressure/exit pressure, and this ratio can be over 2000

Reaction engine (3,333 words) [view diff] exact match in snippet view article find links to article

(which shows the total energy required) shows that even with 100% engine efficiency, certainly not all energy supplied ends up in the vehicle – some of

Camshaft (2,339 words) [view diff] exact match in snippet view article find links to article

out through the exhaust valve which occurs during overlap reduces engine efficiency, and is greatest during low RPM operation. In general, increasing

Superheater (1,590 words) [view diff] exact match in snippet view article find links to article

Technique for increasing the temperature of steam to improve steam engine efficiency

Active valve control system (458 words) [view diff] exact match in snippet view article find links to article

valves also close earlier during the intake stroke. This helps with engine efficiency and fuel economy. At very high engine loads, AVCS advances the intake

Vehicle emissions control (3,625 words) [view diff] exact match in snippet view article find links to article

the de-tuning techniques used to meet them were seriously reducing engine efficiency and thus increasing fuel usage. The new emission standards for 1975

Aircraft design process (3,390 words) [view diff] exact match in snippet view article find links to article

commercial airliners spend more time in cruise speed and need more engine efficiency. High-performance fighter jets need very high acceleration and therefore

Energy efficiency in transport (8,673 words) [view diff] exact match in snippet view article find links to article

reduction in fuel consumption. Flight altitude affects engine efficiency. Jet-engine efficiency increases at altitude up to the tropopause, the temperature

Pratt & Whitney J52 (1,148 words) [view diff] exact match in snippet view article find links to article

design of the P-3 model included a variable inlet duct to improve engine efficiency at the various altitudes the cruise missile was designed to fly at

HMS Champion (1915) (697 words) [view diff] exact match in snippet view article

room and the starboard one from forward. Gearing increased overall engine efficiency, allowing a reduction in boiler and turbine size for a given force

Turbocharger (3,511 words) [view diff] exact match in snippet view article find links to article

adequate pressure. This can further reduce turbo lag and improve engine efficiency, especially during low-speed driving and frequent stop-and-go conditions

RS-68 (1,457 words) [view diff] exact match in snippet view article find links to article

was poorly suited to this multi-engine environment, causing reduced engine efficiency and extreme heating at the base of the vehicle. Comparison of orbital

RS-68 (1,457 words) [view diff] exact match in snippet view article find links to article

was poorly suited to this multi-engine environment, causing reduced engine efficiency and extreme heating at the base of the vehicle. Comparison of orbital

Hyundai Blue-Will (1,077 words) [view diff] exact match in snippet view article find links to article

wheels and runs in parallel with the electric motor. The Blue-Will's engine efficiency is further improved by a thermal generator, fitted into the exhaust

Atlas II (1,906 words) [view diff] exact match in snippet view article find links to article

and longer propellant tanks for both stages. The increased thrust, engine efficiency, and propellant capacity enabled the vehicle to lift payloads of 6

Exhaust heat management (611 words) [view diff] exact match in snippet view article find links to article

and therefore increased air density — may result in an increase in engine efficiency and power. Hotter exhaust gases travel faster which may reduce turbo

Specific impulse (5,007 words) [view diff] exact match in snippet view article find links to article

the reaction mass, inert gas, and effect of driven fans on overall engine efficiency from consideration. Essentially, the momentum of engine exhaust includes

Bleed air (1,661 words) [view diff] exact match in snippet view article find links to article

extra electric generation is believed to provide a net improvement in engine efficiency, lower weight, and ease of maintenance. According to Boeing internal

FADEC (1,636 words) [view diff] exact match in snippet view article find links to article

starting and restarting. The FADEC's basic purpose is to provide optimum engine efficiency for a given flight condition. FADEC not only provides for efficient

NOx adsorber (590 words) [view diff] no match in snippet view article find links to article

Horan. "Eaton Aftertreatment System (EAS) For On-Highway Vehicles" (PDF). 12th Diesel Engine-Efficiency and Emissions. Retrieved 24 September 2015.

Gridded ion thruster (1,562 words) [view diff] exact match in snippet view article find links to article

small amount of secondary ions and erode or wear away, thus reducing engine efficiency and life. Several techniques were used to reduce erosion; most notable

Fuel saving device (2,084 words) [view diff] exact match in snippet view article find links to article

4 L/100 km) (such as the VW 1L) do not have substantially greater engine efficiency, but instead focus on better aerodynamics, reduced vehicle weight

Energy-efficient driving (4,112 words) [view diff] exact match in snippet view article find links to article

2 to 18 percent, depending on compliance with lower speed limits. Engine efficiency varies with speed and torque. For driving at a steady speed one cannot

Operation Free (479 words) [view diff] exact match in snippet view article find links to article

national energy and security needs by using technology to transform engine efficiency and facilitate the nations’ effort to replace foreign oil with alternative

Toyota JZ engine (2,136 words) [view diff] exact match in snippet view article find links to article

(280 lbf⋅ft) at 2400 rpm. These improvements resulted in increased engine efficiency that reduced fuel consumption by 10%. The adoption of VVTi, a much

KTM 50 SX Mini (66 words) [view diff] exact match in snippet view article find links to article

improved reliability New water pump impeller for improved cooling and engine efficiency First model year for the 50 SX Mini KTM Official KTM model information

Thomas McMurtry (517 words) [view diff] exact match in snippet view article find links to article

747 Shuttle Carrier Aircraft and performed digital electronic F-15 engine efficiency control tests. On 26 November 1975, the X-24B dropped from the sky

Partially premixed combustion (868 words) [view diff] case mismatch in snippet view article find links to article

Potentially Fueled with Mixtures of Gasoline and Biodiesel to Meet Future Engine Efficiency and Emission Targets". Energies. 12 (2): 238. doi:10.3390/en12020238

Triptane (356 words) [view diff] exact match in snippet view article find links to article

design to direct high-octane gasoline fuel properties for improved engine efficiency". Applied Catalysis B: Environmental. 301: 120801. Bibcode:2022AppCB

Brake-specific fuel consumption (1,528 words) [view diff] no match in snippet view article find links to article

value. The lower heating value (LHV) is used for internal-combustion-engine-efficiency calculations because the heat at temperatures below 150 °C (300 °F)

Turbojet (3,599 words) [view diff] exact match in snippet view article find links to article

largely compensated by an increase in powerplant efficiency (the engine efficiency is increased by the ram pressure rise which adds to the compressor

Nitrous oxide engine (2,243 words) [view diff] exact match in snippet view article find links to article

temperature in the combustion engine, the decomposition increases engine efficiency and performance, which is directly related to the difference in temperature

RP-1 (2,711 words) [view diff] exact match in snippet view article find links to article

However, it was recognized that hydrocarbon fuels would increase engine efficiency, due to a slightly higher density, the lack of an oxygen atom in the

Steam locomotive components (2,582 words) [view diff] exact match in snippet view article find links to article

superheat tubes located in the boiler tubes (28), thus increasing engine efficiency and power.: 78 See also Superheater tubes (30). Smokestack (US+)

Two-stroke diesel engine (2,570 words) [view diff] exact match in snippet view article find links to article

because the latter, despite being more complicated, allows a higher engine efficiency and thus lower fuel consumption. Charles F. Kettering and colleagues

The Changeling (Star Trek: The Original Series) (1,476 words) [view diff] exact match in snippet view article

normal maximum warp speed. As Kirk arrives, Nomad tells him that engine efficiency has been boosted 57%; Kirk orders it to reverse the changes since

Squish (piston engine) (816 words) [view diff] case mismatch in snippet view article

In-Cylinder Flow Processes (Swirl, Squish and Turbulence Intensity) on Engine Efficiency — Model Predictions". SAE Technical Paper Series. Vol. 1. Warrendale

Variable displacement (2,432 words) [view diff] exact match in snippet view article find links to article

Tecnica (in Italian). "Three cylinders become two to improve EcoBoost engine efficiency". newatlas.com. 30 November 2016. Retrieved 2017-10-25. "2018 Mazda

Shell Eco-marathon (1,201 words) [view diff] exact match in snippet view article find links to article

resistance coefficients less than 0.0015 Weight without driver under 45 kg Engine efficiency under 200 specific fuel consumption (cc/bhp/hr) The vehicles are highly

Alfred Matthew Hubbard (999 words) [view diff] exact match in snippet view article find links to article

upon the combustion gases in the spark gap was purported to "improve engine efficiency". According to local historian Brad Holden, Hubbard was an early prototype

Nuna 4 (395 words) [view diff] no match in snippet view article find links to article

speed At least 142 km/h (88 mph) Engine InWheel Direct Drive Electric Engine (Efficiency: 97 – 99%) Battery 30 kg Lithium-ion polymer battery Body Carbon fiber

Indirect injection (1,618 words) [view diff] exact match in snippet view article find links to article

prechamber increases heat loss to the cooling system and thereby lowers engine efficiency. The engine requires glow plugs for starting. In an indirect injection

Internal combustion engine (13,117 words) [view diff] case mismatch in snippet view article find links to article

original on 13 September 2016. Retrieved 5 September 2016. "Improving IC Engine Efficiency". Courses.washington.edu. Retrieved 28 August 2010. Szymkowski, Sean

Range (aeronautics) (2,768 words) [view diff] exact match in snippet view article

{{W}_{\text{fuel}}}{{\widehat {W}}_{1}}}\right)} As an example, with an overall engine efficiency of 40%, a lift-to-drag ratio of 18:1, and a structural efficiency

Hyundai Scoupe (1,238 words) [view diff] exact match in snippet view article find links to article

design with central spark plug location was incorporated to optimize engine efficiency. The engine utilizes a Robert Bosch GmbH electronic engine control

Four-stroke engine (3,621 words) [view diff] exact match in snippet view article find links to article

if 6% of the entirely wasted heat is recovered it can increase the engine efficiency greatly. Many methods have been devised in order to extract waste

Horsepower (5,552 words) [view diff] exact match in snippet view article find links to article

bore size, number of cylinders, and a (now archaic) presumption of engine efficiency. As new engines were designed with ever-increasing efficiency, it

Stipa-Caproni (1,667 words) [view diff] exact match in snippet view article find links to article

design also induced so much aerodynamic drag that the benefits in engine efficiency were cancelled out, and the aircraft's top speed proved to be only

Beechcraft Duke (1,514 words) [view diff] exact match in snippet view article find links to article

introduced in 1974. The interior arrangement was renewed and the engine efficiency again increased by improved turbochargers. The Beechcraft 60 was,

McQuay-Norris (392 words) [view diff] case mismatch in snippet view article find links to article

Financial Expanding, New York Times, June 28, 1969, pg. 37. For Testing Engine Efficiency, New York Times, January 5, 1936, pg. XX6. Business Leases, New York

Propulsive efficiency (2,181 words) [view diff] no match in snippet view article find links to article

and delivering the rest to a heat sink at lower temperature. In an engine, efficiency is defined as the ratio of useful work done to energy expended. η

James Robert Napier (510 words) [view diff] exact match in snippet view article find links to article

on the thermodynamic principle that temperature difference governs engine efficiency) with him in 1853, but the engine never saw widespread use. In 1853

Centrifugal pendulum absorber (662 words) [view diff] exact match in snippet view article find links to article

cylinder and driving at lower engine speeds. This leads to an increased engine efficiency but causes the engine's torsional vibrations to increase. The vibrations

Nuna 6 (312 words) [view diff] no match in snippet view article find links to article

solarcells 22% Maximum speed unknown Engine InWheel Direct Drive Electric Engine (Efficiency: 98%) Battery 21 kg Lithium-ion battery Body Carbon fiber (textreme)

National Energy Technology Laboratory (2,128 words) [view diff] exact match in snippet view article find links to article

deployment of advanced vehicle technologies, including electric vehicles, engine efficiency, and lightweight materials. In addition, NETL supports administration

Honda F engine (3,758 words) [view diff] exact match in snippet view article find links to article

roller-bearing rocker arms are used to help reduce friction and improve engine efficiency, except the secondary intake valve rocker arm does not have a roller-bearing

Marine steam engine (6,318 words) [view diff] exact match in snippet view article find links to article

Watt in the later half of the 18th century greatly improved steam engine efficiency and allowed more compact engine arrangements. Successful adaptation

Thrust-specific fuel consumption (1,051 words) [view diff] case mismatch in snippet view article find links to article

Angelos T.; Bozoudis, Michail N.; Madas, Michael A. "Turbofan Aero-Engine Efficiency Evaluation: An Integrated Approach Using VSBM Two-Stage Network DEA"

Alcohol fuel (3,337 words) [view diff] exact match in snippet view article find links to article

the lower carbon-to-hydrogen ratio of these alcohols, and improved engine efficiency. Methanol and ethanol fuels contain soluble and insoluble contaminants

Caproni (3,074 words) [view diff] exact match in snippet view article find links to article

significant aerodynamic drag, cancelling out much of the gains in engine efficiency and reducing the aircraft's top speed to 131 km/h (81 mph). Some authors

Mercury Turnpike Cruiser (1,731 words) [view diff] exact match in snippet view article find links to article

curve of the instrument panel. Alongside a tachometer, "to measure engine efficiency", the instrument panel was fitted with a clock to calculate average

Rolf Reitz (1,687 words) [view diff] exact match in snippet view article find links to article

innovative combustion strategies leading to significant improvements in engine efficiency," the 2016 SAE John H. Johnson Award for "outstanding leadership in

Drinking bird (2,631 words) [view diff] exact match in snippet view article find links to article

"drunk". Such analysis is based on the definition of the Carnot heat engine efficiency and the psychrometric concepts. The drinking bird may also be considered

Mazda L engine (2,687 words) [view diff] exact match in snippet view article find links to article

into the oem tubular manifold to not only lower emissions, but raise engine efficiency. On the 2008 Focus, output is 140 hp (104 kW; 142 PS) at 6000 rpm

Combined cycle power plant (5,491 words) [view diff] exact match in snippet view article find links to article

the second cycle is running, which can take an hour or more. Heat engine efficiency can be based on the fuel Higher Heating Value (HHV), including latent

ATR 72 (6,579 words) [view diff] exact match in snippet view article find links to article

the designing of an all-electric architecture as well as improving engine efficiency; the minimising of peak electrical loads was also a stated priority

Gasoline (10,378 words) [view diff] exact match in snippet view article find links to article

carburetor enabled the use of less volatile fuels. Further improvements in engine efficiency were attempted at higher compression ratios, but early attempts were

Transonic Combustion (442 words) [view diff] case mismatch in snippet view article find links to article

Combustion - A Novel Injection-Ignition System for Improved Gasoline Engine Efficiency Thirty-One Visionary Companies Selected as Technology Pioneers 2011

Twin-boom aircraft (1,742 words) [view diff] exact match in snippet view article find links to article

with the need to provide a clear path for hot exhaust gases. Jet engine efficiency was hampered by long intake and exhaust trunks, as were used on many

Partnership for a New Generation of Vehicles (1,136 words) [view diff] exact match in snippet view article find links to article

ways to reach 80 mpg, including reducing vehicle weight, increasing engine efficiency, combining gasoline engines and electric motors in hybrid vehicles

Cyclone Mark V Engine (3,488 words) [view diff] exact match in snippet view article find links to article

heat exchanger to absorb heat from the exhaust gasses. This improves engine efficiency as less fuel needs to be burned to heat the combustion gasses to a

History of thermodynamics (3,780 words) [view diff] exact match in snippet view article find links to article

Reflections on the Motive Power of Fire, a discourse on heat, power, and engine efficiency. Most cite this book as the starting point for thermodynamics as a

Table of thermodynamic equations (515 words) [view diff] exact match in snippet view article find links to article

{\displaystyle \eta =\left|{\frac {W}{Q_{\text{H}}}}\right|} Carnot engine efficiency: η c = 1 − | Q L Q H | = 1 − T L T H {\displaystyle \eta _{\text{c}}=1-\left|{\frac

Alfred Büchi (1,016 words) [view diff] exact match in snippet view article find links to article

Büchi became fascinated with the challenge of improving combustion engine efficiency relating to exhaust heat loss. Büchi's patent, No. 204630 received

Defeat device (1,903 words) [view diff] exact match in snippet view article find links to article

intended to evade rules. The auto companies said the devices improved engine efficiency and actually reduced pollution. The EPA order affected 2 million 1973

Alternative fuel (5,699 words) [view diff] exact match in snippet view article find links to article

emulsified with water to be used as a fuel. It helps in improving engine efficiency and reducing exhaust emissions. Carbon-neutral fuel is synthetic fuel—such

Supermaneuverability (3,054 words) [view diff] exact match in snippet view article find links to article

generation and through Generation 4.5 of aircraft development, advances in engine efficiency and power enabled many fighters to approach and exceed thrust-to-weight

Nuna 5 (725 words) [view diff] no match in snippet view article find links to article

speed Approximately 140–150 km/h Engine InWheel Direct Drive Electric Engine (Efficiency: 97 – 99%) Battery 25 kg Lithium-ion polymer Body Carbon fiber and

Lockheed SR-71 Blackbird (16,093 words) [view diff] exact match in snippet view article find links to article

vortices from the nose chines were entering the engine and reducing engine efficiency. To fix this, the agency developed a computer to control the engine

Steam power during the Industrial Revolution (3,881 words) [view diff] exact match in snippet view article find links to article

chamber separate from the piston chamber. These improvements increased engine efficiency by a factor of about five, saving 75% on coal costs. The Newcomen

Industrial Revolution (25,223 words) [view diff] exact match in snippet view article find links to article

cooled the cylinder and wasted steam. These improvements increased engine efficiency so Boulton and Watt's engines used only 20–25% as much coal per horsepower-hour

Hybrid vehicle drivetrain (7,753 words) [view diff] case mismatch in snippet view article find links to article

DieselNet. January 13, 1999. Retrieved 13 April 2021. "Improving IC Engine Efficiency". University of Washington: Energy & Environment – Autumn 2001. Retrieved

Airbus A340 (11,089 words) [view diff] exact match in snippet view article find links to article

2011. Retrieved 9 February 2011. "A330/A340 family: Twin-and four-engine efficiency". Airbus. Archived from the original on 19 November 2010. Retrieved

Tupolev Tu-144 (9,548 words) [view diff] exact match in snippet view article find links to article

spray guards (a.k.a. water deflectors or "mud flaps" that increase engine efficiency when taking off from wet airstrips). These requests were denied after

Lynn, Massachusetts (8,471 words) [view diff] exact match in snippet view article find links to article

material science research at MIT and the resulting improvements in jet engine efficiency and power have kept the jet engine plant in Lynn ever since.[citation

SMS Adler (1,996 words) [view diff] exact match in snippet view article find links to article

the type to use compound steam engines, which increased speed and engine efficiency. Adler was 61.8 meters (202 ft 9 in) long overall, with a beam of

Second Industrial Revolution (10,266 words) [view diff] exact match in snippet view article find links to article

in greatly increased volumes of international trade. Higher steam engine efficiency caused the number of steam engines to increase several fold, leading

Aero Engine Controls (836 words) [view diff] exact match in snippet view article find links to article

behind General Electric and ahead of Pratt & Whitney. As the focus for engine efficiency shifts towards sophisticated engine control techniques, Rolls-Royce

Boeing Pelican (7,236 words) [view diff] exact match in snippet view article find links to article

converts about 38 percent of the fuel's energy into thrust, a comparable engine efficiency to those in modern wide-body aircraft. The engines are paired behind

Supersonic transport (8,138 words) [view diff] exact match in snippet view article find links to article

fan design means that the amount of bypass that maximizes overall engine efficiency is a function of forward speed, which decreases from propellers, to

Rocket engine (11,734 words) [view diff] exact match in snippet view article find links to article

instantaneous speed divided by effective exhaust speed. These percentages need to be multiplied by internal engine efficiency to get overall efficiency.

Heavy fighter (6,685 words) [view diff] exact match in snippet view article find links to article

order range depends on fuel fraction, relative drag (per pound), and engine efficiency. That is why the single engine F-16 had superior range to every other

Ion thruster (8,955 words) [view diff] exact match in snippet view article find links to article

efficiency for a vehicle accelerating from rest as percentages of the engine efficiency. Note that peak vehicle efficiency occurs at about 1.6 times exhaust

Steam-powered vessel (1,391 words) [view diff] exact match in snippet view article find links to article

one or more additional pistons. This configuration offers increased engine efficiency by improving the force produced per unit of fuel consumed. A paddle-wheel

Rolls-Royce Controls and Data Services (1,024 words) [view diff] exact match in snippet view article find links to article

behind General Electric and ahead of Pratt & Whitney. As the focus for engine efficiency shifts towards sophisticated engine control techniques, Rolls-Royce

Ford Modular engine (8,351 words) [view diff] exact match in snippet view article find links to article

cylinder bores to accommodate narrow piston rings. This improved engine efficiency through reduced friction and oil consumption while also promoting

Theodore "Ted" Nieman Kincannon (846 words) [view diff] exact match in snippet view article find links to article

and later icing conditions. Ice formation on the carburetor reduced engine efficiency, necessitating a forced landing. Reports of the passengers indicate

RS-25 (10,654 words) [view diff] exact match in snippet view article find links to article

than the application of a TBC, could offer unprecedented levels of engine efficiency. The engine's nozzle is 121 in (3.1 m) long with a diameter of 10

Kurogane Type 95 (2,135 words) [view diff] exact match in snippet view article find links to article

it is supposed that it was water-cooled to increase durability and engine efficiency. Square grille. Production type C: produced in 1944; engine displacement

Manson-Guise Engine (568 words) [view diff] exact match in snippet view article find links to article

15 Aug 2016 through a kickstarter project launch. The Manson-Guise engine efficiency has yet to be tested but is expected to be less than the Stirling

Chemical Automatics Design Bureau (3,592 words) [view diff] exact match in snippet view article find links to article

and operational requirements to LV defined the necessity of high engine efficiency and reliability, protection of its inner cavities from the environment

Honda advanced technology (2,955 words) [view diff] exact match in snippet view article find links to article

higher fuel economy and low exhaust emissions without compromising engine efficiency. The IMA system uses the engine as the main power source and an electric

Energy policy of the United States (10,982 words) [view diff] case mismatch in snippet view article find links to article

Emissions Reductions" (PDF). Retrieved March 30, 2012. "Improving IC Engine Efficiency". Courses.washington.edu. Retrieved March 30, 2012. "Carnot Cycle"

Creative destruction (7,355 words) [view diff] exact match in snippet view article find links to article

destruction (without using the term) brought about by improvements in steam engine efficiency, shipping, the international telegraph network, and agricultural mechanization

Formula One engines (10,834 words) [view diff] exact match in snippet view article find links to article

Compression ratio is a primary determinant of internal-combustion engine efficiency. Current regulation limits mechanical compression ratio to 18:1, but

Citroën 2CV (13,645 words) [view diff] exact match in snippet view article find links to article

pressure in the crankcase which must be removed in the interests of engine efficiency and to prevent oil and gas leaks. The 2CV's engine has a combined

AMC straight-6 engine (5,645 words) [view diff] exact match in snippet view article find links to article

overhead valve (OHV) design. This modernization aimed to improve engine efficiency and power output. The flathead version was reintroduced in 1958, serving

Hydrogen-powered aircraft (3,654 words) [view diff] exact match in snippet view article find links to article

cells make sense for general aviation and regional aircraft but their engine efficiency is less than large gas turbines. They are more efficient than modern

Hyper engine (2,494 words) [view diff] exact match in snippet view article find links to article

cylinder to escape through the partially open valve, reducing the engine efficiency. Increasing valve spring pressure to close the valves faster led to

Energy applications of nanotechnology (4,040 words) [view diff] exact match in snippet view article find links to article

the pressure within the combustion chamber of engines to increase engine efficiency and curb NOx emissions. Addition of carbon nanoparticles has also

Alfa Romeo Giulia (2015) (9,227 words) [view diff] exact match in snippet view article

values like implementation of a low-pressure EGR valve that improves engine efficiency, an air-water intercooler, a secondary engine cooling circuit in addition

Lexus LFA (10,665 words) [view diff] exact match in snippet view article find links to article

pistons without the use of a split-journal crankshaft, thus improving engine efficiency as well as lowering the overall weight. Dry sump lubrication prevents

Tractors in India (5,360 words) [view diff] exact match in snippet view article find links to article

numbers of OEMs, the manufactures are offering quality improvements in engine efficiency and emissions, better selection in transmissions, power steering,

Supercapacitor (20,997 words) [view diff] exact match in snippet view article find links to article

resulting in 3700 Wh/kg considering a typical 30% internal combustion engine efficiency) Christen, T.; Ohler, C. (2002). "Optimizing energy storage components

SMS Möwe (1879) (4,046 words) [view diff] exact match in snippet view article

the type to use compound steam engines, which increased speed and engine efficiency. Möwe was 59.2 meters (194 ft 3 in) long overall, with a beam of 8

Economy car (19,087 words) [view diff] exact match in snippet view article find links to article

the engine management computer to control valve timing, improving engine efficiency, giving better torque, power, economy, and emissions. Safety design

Gershon Kurizki (1,807 words) [view diff] exact match in snippet view article find links to article

if the energy is supplied to the engine by a non-thermal bath, the engine efficiency can surpass the canonical Carnot limit and not adhere to the second

Ceramic matrix composite (7,536 words) [view diff] exact match in snippet view article find links to article

turbines permit higher turbine inlet temperatures, which improves engine efficiency. Because of the complex shape of stator vanes and turbine blades,

Yellow vests protests (22,917 words) [view diff] exact match in snippet view article find links to article

use, while taking advantage of diesel fuel availability and diesel engine efficiency. The French manufacturer Peugeot has been at the forefront of diesel

History of rockets (11,982 words) [view diff] exact match in snippet view article find links to article

hypersonic jet of gas, more than doubling the thrust and raising the engine efficiency from 2% to 64%. On 16 March 1926, Goddard launched the world's first

Mississippi-class battleship (6,834 words) [view diff] exact match in snippet view article find links to article

the weight goal. As with most US naval designs, coal storage and engine efficiency were more important than in European designs. US ships might have

Jet engine performance (16,982 words) [view diff] exact match in snippet view article find links to article

supplemented the already-existing p~v diagram which only gave half the heat engine efficiency story in only showing the cylinder work done with no reference to

Achates Power (1,539 words) [view diff] exact match in snippet view article find links to article

parts including the cylinder head and valvetrain, improving overall engine efficiency as these components are considered primary contributors to heat and

Maserati Nettuno engine (783 words) [view diff] exact match in snippet view article find links to article

mixtures in the main chamber and high compression ratios, improving engine efficiency while reducing emissions. This engine is also equipped with a dual

Fuel economy in aircraft (7,664 words) [view diff] exact match in snippet view article find links to article

fuel efficient between 1967 and 2007, 40% due to improvements in engine efficiency and 30% from airframes. Efficiency gains were larger early in the

EcoDemonstrator (3,955 words) [view diff] exact match in snippet view article find links to article

other technologies, including: variable area fan nozzle to optimize engine efficiency regenerative hydrogen fuel cell for aircraft electrical power adaptive

Airmail Flyers' Medal of Honor (3,521 words) [view diff] exact match in snippet view article find links to article

and later icing conditions. Ice formation on the carburetor reduced engine efficiency, necessitating a forced landing. Reports of the passengers indicate

History of gasoline (8,201 words) [view diff] exact match in snippet view article find links to article

carburetor enabled the use of less volatile fuels. Further improvements in engine efficiency were attempted at higher compression ratios, but early attempts were

Fuel homogenizer (1,046 words) [view diff] exact match in snippet view article find links to article

maritime industry, homogenizers reduce sludge formation, improve engine efficiency, and assist vessels in complying with international emissions regulations

Engineering Heritage Awards (1,443 words) [view diff] exact match in snippet view article find links to article

the separate condenser giving a significant improvement in steam engine efficiency. A crucial development in the Industrial Revolution. 19 August 2019

Pollution in California (13,453 words) [view diff] case mismatch in snippet view article find links to article

Retrieved 2019-04-17. Joshi, Ameya (2019-04-02). "Review of Vehicle Engine Efficiency and Emissions". SAE Technical Paper Series. 1 (2). Warrendale, PA:

Theory and Construction of a Rational Heat Motor (4,883 words) [view diff] exact match in snippet view article find links to article

the gas engine are, how hard it was to reach the modern level of engine efficiency, and how little chance there is left that on the current way anything

Peugeot 8Aa (1,632 words) [view diff] exact match in snippet view article find links to article

jacketing. The high inlet manifold temperatures resulted in increased engine efficiency. The Peugeot 8Aa was a remarkably fuel-efficient engine for its time

Habicht-class gunboat (1,961 words) [view diff] exact match in snippet view article find links to article

the type to use compound steam engines, which increased speed and engine efficiency. The contract for the new engines was given to Schichau-Werke in part

SMS Habicht (1879) (3,626 words) [view diff] exact match in snippet view article

the type to use compound steam engines, which increased speed and engine efficiency. Habicht was 59.2 meters (194 ft 3 in) long overall, with a beam of

Honda V6 hybrid Formula One power unit (6,763 words) [view diff] exact match in snippet view article find links to article

when most effective. The compressor was enlarged further to increase engine efficiency and the turbine housing was now 3D Printed (additive manufacturing)