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http://dx.doi.org/10.3795/KSME-B.2016.40.5.297

Dynamic Model of Centrifugal Compressor for Prediction of Surge Evolution and Performance Variations  

Jung, Mooncheong (Department of Mechanical Engineering, Chungnam Nat'l Univ.)
Han, Jaeyoung (Department of Mechanical Engineering, Chungnam Nat'l Univ.)
Yu, Sangseok (Department of Mechanical Engineering, Chungnam Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.40, no.5, 2016 , pp. 297-304 More about this Journal
Abstract
When a control algorithm is developed to protect automotive compressor surges, the simulation model typically selects an empirically determined look-up table. However, it is difficult for a control oriented empirical model to show surge characteristics of the super charger. In this study, a dynamic supercharger model is developed to predict the performance of a centrifugal compressor under dynamic load follow-up. The model is developed using Simulink$^{(R)}$ environment, and is composed of a compressor, throttle body, valves, and chamber. Greitzer's compressor model is used, and the geometric parameters are achieved by the actual supercharger. The simulation model is validated with experimental data. It is shown that compressor surge is effectively predicted by this dynamic compressor model under various operating conditions.
Keywords
Supercharger; Surge Phenomenon; Centrifugal Compressor; Surge Control;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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