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http://dx.doi.org/10.3795/KSME-B.2015.39.1.089

Experimental Study of Compressor Surge for 250-hp Class Vehicular Turbocharger  

Lee, Hyungchang (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Han, Jaeyoung (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Lee, Myeonghee (Seah Engineering)
Im, Seokyoen (Dept. of Automotive Engineering, Dongmyeong Univ.)
Yu, Sangseok (Dept. of Mechanical Engineering, Chungnam Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.39, no.1, 2015 , pp. 89-95 More about this Journal
Abstract
A surge phenomenon cause noise and pulsations in a turbo compressor, which is an unstable operating regime. Because surge protection ensures a safe compressor operation, it is important to understand the physics of the surge phenomenon. In this study, the surge characteristics of a 250-hp class turbo-compressor were evaluated experimentally. The experimental parameters were the rotational speed, opening angles of the inlet guide vane and exit valve, and inlet pipe diameter and flow rates of the inlet gases. The results showed that the compressor surge was very sensitive to the gas flow rates, exit pressure, rotational speed, and bypass flow rates.
Keywords
Turbocharger; Surge Phenomenon; Turbo Compressor; Inlet Guide Vane; Anti-Surge Valve;
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