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the most ISENTROPIC CONCEPTION (for a given compactness) |
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Hot fluid bar Inlet Pressure K Inlet temperature |
Cold fluid bar Inlet Pressure K Inlet temperature |
Structure MW/m3 compactness |
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| Structure
E GPa
R MPa
work in
k=e/(c-e)
P bar Cell optimized in order to minimize entropic creation per exchanged thermal unit surface A m² side c mm thickness e µm T°slope dT/dx K/m length L m linear heat transfer QT W/m temperature drop deltaT K fluid pressure drop: cold Pa=N/m2 hot Pa effectiveness % consumption exergeticW / exchangedKW Heat-transfer surface / weight m²/kg Power/weight KW/kg thermal Response time seconds | ||
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number of cells
side of the exchanger of square section m mass (except ends) kg fluid mass-flow hot kg/s cold kg/s | ||
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The cells optimization is the best compromise on the 4 following points of calculation, towards minimal entropy creation
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