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http://dx.doi.org/10.6108/KSPE.2017.21.3.018

Study of Gas-turbine Cranking Model using the Coast Down Experimental Results  

Kim, Sun Je (The 4th R&D Institute - 5th Directorate, Agency for Defense Development)
Kim, Yeong Ryeon (The 4th R&D Institute - 5th Directorate, Agency for Defense Development)
Min, Seongki (The 4th R&D Institute - 5th Directorate, Agency for Defense Development)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.21, no.3, 2017 , pp. 18-24 More about this Journal
Abstract
Appropriate selection of the starter is essential for successful starting of the gas-turbine engine. Thus, aerodynamic drag during starting phase should be analyzed to assess the feasibility of the starter. In this paper, aerodynamic drag is modeled based on the speed profile from the engine coast down test, and it is scaled with respect to the target engine by comparing the compressor load. Afterward, the govern equation of the starting phase is developed with the torque model of the starter, and the design scheme to select the feasible starter will be finally suggested. The proposed model of starting phase will be useful to perform a preliminary design of the starting system of the gas-turbine engine.
Keywords
Gas-turbine Engine; Air Turbine Starter; Cranking; Aerodynamic Drag; Coast Down Test;
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  • Reference
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