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TECHNICAL PAPERS

Thermodynamic Analyses of Wet Compression Process in the Compressor of Gas Turbine

[+] Author and Article Information
Qun Zheng, Yufeng Sun, Shuying Li, Yunhui Wang

Harbin Engineering University, Harbin 150001, China

J. Turbomach 125(3), 489-496 (Aug 27, 2003) (8 pages) doi:10.1115/1.1575254 History: Received January 10, 2002; Online August 27, 2003
Copyright © 2003 by ASME
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References

Figures

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Breaking time of water droplets in high-speed airflow and velocity gradient
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Droplet diameter under different environmental pressure
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T-S diagram of isentropic wet compression process—1–2s dry air isentropic compression process, 1–2k wet air isentropic compression process
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T-S diagram of compression processes
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p-v diagram of compression processes
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Efficiencies of wet compression process
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Evaporative amount of water (g/kgDA) need for inlet cooling
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Compressor inlet temperature after inlet evaporative cooling
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Wet compression work variation with evaporative rates—(a) compression ratio pi=7, (b) compression ratio pi=30
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Actual and isentropic compression works of dry air and wet compression (evaporative rate is dw/dt=1.5e-4)
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Actual and isentropic compression works of dry air and wet compression (evaporative rate is dw/dt=3.5e-4)
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Actual and isentropic compression works of dry air and wet compression (evaporative rate is dw/dt=7.5e-4)
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t2di, t2d, t2w, t2wi are compressor exit temperatures of ideal dry air compression, dry air compression, wet compression, and ideal wet compression, respectively
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Exit temperatures of ideal wet compression and dry air compression processes

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