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http://dx.doi.org/10.5293/kfma.2015.18.4.030

Analysis of Design and Operation Performance of Micro Gas Turbine : Part 2 - Variations in Engine's Operation and Performance Caused by Performance Degradation of Compressor and Turbine  

Kim, Jeong Ho (Graduate school, Inha university)
Kim, Min Jae (Graduate school, Inha university)
Kim, Tong Seop (Dept. of Mechanical Engineering, Inha university)
Publication Information
The KSFM Journal of Fluid Machinery / v.18, no.4, 2015 , pp. 30-35 More about this Journal
Abstract
This study analyzed the variations in the performance and operation of a 200 kW class micro gas turbine according to performance degradation of compressor and turbine. An in-house code, developed by the present authors and presented in the first part of these series of papers, were used for the analysis. The degradation of compressor and turbine were simulated by modifications in the their performance maps: mass flow rate, pressure ratio and efficiency were decreased from the reference values. Firstly, the variations in the operating conditions (air flow rate, pressure ratio) were predicted for the full load condition. Then, the same analysis were performed for a wide partial load operating range. The change in engine's performance (power output and efficiency) due to the component degradation was predicted. In addition, the change in the compressor surge margin, which is an important indicator for safe engine operation, was evaluated.
Keywords
Micro Gas Turbine; Performance Degradation; Compressor; Turbine; Surge Margin;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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