.TransiEnt.Components.Gas.HeatExchanger.HEXTwoRealGasesIdeal_L1

Information

1. Purpose of model

This is a simple model of a heat exchanger with two real gases.

2. Level of detail, physical effects considered, and physical insight

The detailed heat transfer is not modeled, only an end temperature for one medium is given by a parameter (at outlet of medium1). There are no heat losses, no limitations for heat transfer and no changes in composition of both media. The model only works in the design flow direction.

3. Limits of validity

This model is only valid for real gases and if the changes of the temperature at outlet1 are very small. The plausibility of the temperatures has to be checked (see 7.).

4. Interfaces

gasPortIn1: Inlet of the first real gas

gasPortOut1: Outlet of the first real gas

gasPortIn2: Inlet of the second real gas

gasPortOut2: Outlet of the second real gas

5. Nomenclature

: Heat flow transfered from medium2 to medium1

6. Governing Equations

Energy balances:

7. Remarks for Usage

The plausability of the temperatures at inlet and outlet of the gases has to be checked. They have to fit to the chosen type of heat exchanger (e.g. concurrent or countercurrent).

8. Validation

(no remarks)

9. References

(no remarks)

10. Version History

Model created by Carsten Bode (c.bode@tuhh.de) on Tue Apr 05 2016


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