Publication Detail

Improvements in part-load efficiency by reducing pressure ratio in regenerative gas-turbine engines

Theodosios P. Korakianitis (ch. Alexander), David Gordon Wilson
8 pp.
MITSG 86-9

To obtain equal thermal efficiencies in gas-turbine engines, designers have the freedom (barring space and mass constraints) to exchange compressor pressure ratio for heat-exchanger effectiveness. The work reported here shows that for similar turbomachinery technology, design-point and part-load efficiencies improve as the design-point pressure ratio decreases and the heat-exchanger thermal ratio increases. Reprinted from Proceedings of the Gas Turbine Conference and Exhibit, Houston, Texas, March l985. American Society of Mechanical Engineers.

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