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searching for Mass diffusivity 8 found (30 total)

Graetz number (185 words) [view diff] exact match in snippet view article find links to article

Sc, which expresses the ratio of the momentum diffusivity to the mass diffusivity. Gz=DHLReSc{\displaystyle \mathrm {Gz} ={D_{H} \over L}\mathrm {Re}

Bejan number (1,417 words) [view diff] exact match in snippet view article find links to article

μ{\displaystyle \mu } is the dynamic viscosity D{\displaystyle D} is the mass diffusivity For the case of Reynolds analogy (Le = Pr = Sc = 1), it is clear that

Thin layer extraction (913 words) [view diff] exact match in snippet view article find links to article

raffinate and strip product is differentiated. With a typical liquid mass diffusivity in the order of 10−9 m2/s, the characteristic time for diffusion through

Dimensionless quantity (2,310 words) [view diff] exact match in snippet view article find links to article

defined as the ratio of momentum diffusivity (kinematic viscosity) and mass diffusivity, and is used to characterize fluid flows in which there are simultaneous

Transport phenomena (3,402 words) [view diff] case mismatch in snippet view article find links to article

comparison is between viscous diffusivity (ν{\displaystyle {\nu }}) and mass Diffusivity (D{\displaystyle {D}}), given by the Schmidt number. In some cases

Boundary layer (7,118 words) [view diff] exact match in snippet view article find links to article

diffusivity α=k/ρCP{\displaystyle \alpha ={k/\rho C_{P}}}, and by mass diffusivity DAB{\displaystyle D_{AB}} in the mass balance. In thermal diffusivity

Entrance length (fluid dynamics) (2,631 words) [view diff] exact match in snippet view article

The Schmidt number describes the ratio of momentum diffusivity to mass diffusivity. xfd,c≈0.05DReDSc{\displaystyle x_{fd,c}\approx 0.05DRe_{D}Sc} where

Droplet vaporization (2,839 words) [view diff] exact match in snippet view article find links to article

mass fraction in the gas film (-) D{\displaystyle {\mathcal {D}}} Mass diffusivity (m2.s−1) hg{\displaystyle h_{g}} Enthalpy of the gas (J.kg−1) Tg{\displaystyle