Temperature - Entropy Diagram for Stirling Cycle
This Stirling cycle is classified by 4 idealized thermodynamic processes. First the gas undergoes isothermal compression, and then is heated at a constant volume. Next, the gas is allowed to expand at a constant temperature, and is then cooled at a constant volume. This cycle repeats and work is continually extracted from the expansion of the gas.
This function outputs a T vector, and an s vector, where each corresponds to its respective axis. This allows the diagram to easily be plotted using plot(s,T).
The input parameters are TL, TH, vmin, vmax, and s1. TL and TH correspond to the low and high temperatures of the cycle while vmin and vmax represent the minimum and maximum specific volumes defined by the geometry of the internal cylinder. A reference entropy value is defined by s1, which represents the specific entropy of the air prior to undergoing isothermal compression.
All input parameters are taken in SI units:
TL [K]
TH [K]
vmin [m^3]
vmax [m^3]
s1 [kJ/kgK]
Cite As
Matt Bowring (2024). Temperature - Entropy Diagram for Stirling Cycle (https://www.mathworks.com/matlabcentral/fileexchange/73374-temperature-entropy-diagram-for-stirling-cycle), MATLAB Central File Exchange. Retrieved .
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1.0.0 |