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searching for Efficiency factor 39 found (42 total)

Oswald efficiency number (428 words) [view diff] exact match in snippet view article find links to article

frequently assumed that Oswald efficiency number is the same as the span efficiency factor which appears in lifting-line theory, and in fact the same symbol

Pellet stove (1,681 words) [view diff] exact match in snippet view article find links to article

operated with wood pellets as a renewable energy source can reach an efficiency factor of more than 90%.[citation needed] Scrap wood and ship-lap burners

Centrifugal pump (2,974 words) [view diff] no match in snippet view article find links to article

Centrifugal pumps are used to transport fluids by the conversion of rotational kinetic energy to the hydrodynamic energy of the fluid flow. The rotational

Power plant efficiency (687 words) [view diff] exact match in snippet view article find links to article

efficiency factor of 20%. A heat rate value of 2 kWh/kWh gives an efficiency factor of 50%. A heat rate value of 4 MJ/MJ gives an efficiency factor of

Burndown chart (1,010 words) [view diff] exact match in snippet view article find links to article

corrected by incorporating an efficiency factor into the burndown chart. After the first iteration of a project, the efficiency factor can be recalculated to

Directivity (2,877 words) [view diff] exact match in snippet view article find links to article

or 0 dBi. An antenna's directivity is greater than its gain by an efficiency factor, radiation efficiency. Directivity is an important measure because

Anomalous diffraction theory (373 words) [view diff] exact match in snippet view article find links to article

{\displaystyle Q_{abs}=0} ). Q e x t {\displaystyle Q_{ext}} is the efficiency factor of extinction, which is defined as the ratio of the extinction cross

Lift-induced drag (2,409 words) [view diff] exact match in snippet view article find links to article

distribution are taken into account by dividing the induced drag by the span efficiency factor e {\displaystyle e} . To compare with other sources of drag, it can

Gyratory equipment (2,862 words) [view diff] exact match in snippet view article find links to article

accordingly to obtain desired ratio of coarse vs fine products. Separation efficiency factor is given by the equation: where m o {\displaystyle m_{\text{o}}} is

330th Bombardment Group (VH) (11,701 words) [view diff] exact match in snippet view article

This was 74% of the total built up area of the town for a bombing efficiency factor of 0.0016 square miles (4,100 m2) per ton. Take off time on this mission

Sołtan argument (751 words) [view diff] exact match in snippet view article find links to article

L=\epsilon {\dot {M}}c^{2}} where ϵ {\displaystyle \epsilon } is the efficiency factor M ˙ {\displaystyle {\dot {M}}} is the time rate of mass falling into

High-performance liquid chromatography (10,969 words) [view diff] exact match in snippet view article find links to article

as peaks (bands) on a chromatogram. The HPLC parameters are the: efficiency factor(N), the retention factor (kappa prime), and the separation factor

Fiber-reinforced composite (2,555 words) [view diff] exact match in snippet view article find links to article

can be used to predict composite strength, including an orientation efficiency factor, η 0 {\displaystyle \eta _{0}} , which accounts for the decrease in

Mean free path (2,432 words) [view diff] exact match in snippet view article find links to article

\ell ={\frac {2d}{3\Phi Q_{\text{s}}}},} where Qs is the scattering efficiency factor. Qs can be evaluated numerically for spherical particles using Mie

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

operational costs. Both the UK and German Dark Spread tables use a fuel efficiency factor of 35% for the coal conversion, and an energy conversion factor of

Lift-to-drag ratio (1,826 words) [view diff] exact match in snippet view article find links to article

where AR is the aspect ratio, ε {\displaystyle \varepsilon } the span efficiency factor, a number less than but close to unity for long, straight-edged wings

Rosenfeld Effect (1,614 words) [view diff] exact match in snippet view article find links to article

and India; and distributing metal cook-stoves with an increased efficiency factor of four in contrast to its predecessor to poor citizens of Sudan and

Kienle Resonator System (1,043 words) [view diff] exact match in snippet view article find links to article

by the tones moving between the organ pipes, or the high energetic efficiency factor and the projection of those tones into a space. Furthermore, for the

Shockley–Queisser limit (6,222 words) [view diff] exact match in snippet view article find links to article

pairs do not contain as much energy. Shockley and Queisser call the efficiency factor associated with spectrum losses u, for "ultimate efficiency function"

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

Off-nominal temperatures may be accounted for with a temperature efficiency factor η temp {\displaystyle \eta _{\text{temp}}} (e.g. 99% at 10 deg C above

Hydraulic ram (2,831 words) [view diff] exact match in snippet view article find links to article

efficiency. Actual water delivered will be further reduced by the energy efficiency factor. In the above example, if the energy efficiency is 70%, the water

Zero-lift drag coefficient (693 words) [view diff] exact match in snippet view article find links to article

the aspect ratio, and ϵ {\displaystyle \epsilon } is the aircraft's efficiency factor. Substituting for C L {\displaystyle C_{L}} gives: C D , i = 4.822

Power factor (5,807 words) [view diff] exact match in snippet view article find links to article

reviewers sometimes make no difference between the power factor and the efficiency factor. Although both these terms describe the effectiveness of a power supply

Cosmic dust (5,859 words) [view diff] exact match in snippet view article find links to article

individual grain is called its emissivity, dependent on the grain's efficiency factor. Further specifications regarding the emissivity process include extinction

Lifting-line theory (1,732 words) [view diff] exact match in snippet view article find links to article

dy}{\text{.}}} From these quantities and the aspect ratio A‍R, the span efficiency factor e = 1 π A R ⋅ L 2 ρ V D {\displaystyle e={\frac {1}{\pi \mathrm {A\

Nuclear chain reaction (6,129 words) [view diff] exact match in snippet view article find links to article

reproduction factor η {\displaystyle \eta } (also called the neutron efficiency factor). The six-factor formula is traditionally written as follows: k e

I = PAT (2,405 words) [view diff] exact match in snippet view article find links to article

is measured in units of gha per capita. Technology is a unitless efficiency factor. In the I=PAT equation, the variable P represents the population of

BMW i4 (3,388 words) [view diff] exact match in snippet view article find links to article

and electric motor system. None are used to construct the motor (efficiency factor of 93 percent), while the battery uses two thirds less cobalt than

Door (9,034 words) [view diff] exact match in snippet view article find links to article

default comes along with frame and lock system, which is a high cost efficiency factor compared to wooden doors. Most modern exterior walls provide thermal

Utility ratemaking (2,223 words) [view diff] exact match in snippet view article find links to article

P(t) is the price in time t. RPI is the rate of inflation. X is the efficiency factor (X-factor). P(t-1) is the price in time (t - 1). Since the price is

Radical polymerization (5,475 words) [view diff] exact match in snippet view article find links to article

initiator molecules actually add monomers to form polymer chains. The efficiency factor f is defined as the fraction of the original initiator which contributes

Carnot method (1,216 words) [view diff] exact match in snippet view article find links to article

efficiency of heat generation within the CHP process Next to the efficiency factor which describes the quantity of usable end energies, the quality of

Growing Up in the Universe (3,780 words) [view diff] exact match in snippet view article find links to article

mutations at 100% probability of evolutionary success. That is an efficiency factor of 12 for mutations due to sub-staging without any change in probability

Mie scattering (9,240 words) [view diff] exact match in snippet view article find links to article

Q=2-{\frac {4}{p}}\sin p+{\frac {4}{p^{2}}}(1-\cos p),} where Q is the efficiency factor of scattering, which is defined as the ratio of the scattering cross-section

Quantum noise (3,906 words) [view diff] exact match in snippet view article find links to article

and is also true for saturated gain, η {\displaystyle \eta } is the efficiency factor. That is the product of transmission window efficiency to our photodetector

François Willi Wendt (2,920 words) [view diff] exact match in snippet view article find links to article

perhaps, our only virtue.” And if he had been asked what principal efficiency factor appeared in the art of our time, he would have referred to the notion

Perovskite solar cell (22,835 words) [view diff] exact match in snippet view article find links to article

{\displaystyle x_{g}=V_{g}/V_{s}\ ;\ x_{c}=V_{c}/V_{s}} and u is the ultimate efficiency factor, and v is the ratio of open circuit voltage Vop to band-gap voltage

James H. Williams Jr. (6,261 words) [view diff] case mismatch in snippet view article find links to article

Williams, James H. Jr.; B.J. Bosy (October 1977). "Fibre Orientation Efficiency Factor for Planar Randomly Oriented Discontinuous Fibre Composites". Fibre

Dust astronomy (19,514 words) [view diff] exact match in snippet view article find links to article

{\displaystyle m_{e}\approx \Gamma _{1}m_{p}} where the cratering efficiency factor Γ 1 {\displaystyle \Gamma _{1}} scales with the kinetic energy of