Genome size: Difference between revisions

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The '''Eckert number''' ('''Ec''') is a [[Dimensionless quantity|dimensionless number]] used in [[fluid dynamics]]. It expresses the relationship between a flow's [[kinetic energy]] and [[enthalpy]], and is used to characterize [[dissipation]]. It is named after [[Ernst R. G. Eckert]].
 
It is defined as
 
:<math>
\mathrm{Ec} = \frac{V^2}{c_p\Delta T} = \frac{\mbox{Kinetic Energy}}{\mbox{Enthalpy}}
</math>
 
where
* ''V'' is a characteristic velocity of the flow.
* ''c<sub>p</sub>'' is the constant-pressure [[specific heat]] of the flow.
* ∆''T'' is a characteristic temperature difference of the flow.
 
{{NonDimFluMech}}
 
{{DEFAULTSORT:Eckert Number}}
[[Category:Dimensionless numbers of fluid mechanics]]
[[Category:Dimensionless numbers of thermodynamics]]
[[Category:Fluid dynamics]]
 
{{Fluiddynamics-stub}}

Revision as of 16:53, 4 February 2014

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