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http://dx.doi.org/10.5293/KFMA.2006.9.4.013

Performance Characteristics and Prediction on a Partially Admitted Single-Stage Axial-Type Micro Turbine  

Cho Chong-Hyun (경상대학교 대학원)
Choi Sang-Kyu (한국기계연구원 지능형정밀기계연구본부)
Cho Soo-Yong (경상대학교 항공기부품기술연구센터(기계항공공학부))
Publication Information
The KSFM Journal of Fluid Machinery / v.9, no.4, 2006 , pp. 13-19 More about this Journal
Abstract
For axial-type turbines which operate at partial admission, a performance prediction model is developed. In this study, losses generated within the turbine are classified to windage loss, expansion loss and mixing loss. The developed loss model is compared with experimental results. Particularly, if a turbine operates at a very low partial admission rate, a circular-type nozzle is more efficient than a rectangular-type nozzle. For this case, a performance prediction model is developed and an experiment is conducted with the circular-type nozzle. The predicted result is compared with the measured performance, and the developed model quite well agrees with the experimental results. So the developed model could be applied to predict the performance of axial-type turbines which operate at various partial admission rates or with different nozzle shape.
Keywords
Partial Admission; Axial-Type Rotor; Micro Turbine; Performance Prediction; Performance Test;
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