AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.HeatTransfer.CrossFlowReduction

# .AixLib.Fluid.MassExchangers.MembraneBasedEnthalpyExchangers.BaseClasses.HeatTransfer.CrossFlowReduction

model that calculates reduction factor for heat transfer in quasi-counter flow arrangement

## Information

This model calculates a reduction factor for a cross-counter-flow arrangement. The calculation is based on the Efficiency-NTU-Method.

The number of transfer units NTU is calculated with the total heat transfer coeeficient htot, the surface area A and the minimum heat capacity flow consiting of the mass flow rate ṁ and the specific heat capacitiy cp.

NTU = (htot A) ⁄ (ṁ cp)min

Using the number of transfer units and the cross-flow portion of the whole transfer area the coeefficient for the heat transfer reduction is calculated.

## Revisions

- August 21, 2018, by Martin Kremer:
  First implementation.

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