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Next: Dimensionless Representation Up: Isothermal Flow Previous: Isothermal Flow Index
The momentum equation is written as the following
where is the cross section area (it doesn't have to be a perfect circle; a close enough shape is sufficient.). The shear stress is the force per area that acts on the fluid by the tube wall. The is the area that shear stress acts on. The second law of thermodynamics reads
The mass conservation is reduced to
Again it is assumed that the gas is a perfect gas and therefore, equation of state is expressed as the following:
Next: Dimensionless Representation Up: Isothermal Flow Previous: Isothermal Flow Index Created by:Genick Bar-Meir, Ph.D.
On: 2007-11-21 include("aboutPottoProject.php"); ?>