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A Research on the Optimization of Turbocharging System in a Medium Speed Diesel Engine  

Youn Wook-Hyun (현대중공업 산업기술연구소 엔진연구실)
Gal Sang-Hak (현대중공업 산업기술연구소 엔진연구실)
Ha Ji-Soo (현대중공업 산업기술연구소 엔진연구실)
Kim Ho-Ick (현대중공업 엔진기계산업본부 엔진기술개발부)
Kim Ju-Tae (현대중공업 엔진기계산업본부 엔진기술개발부)
Kim Ki-Doo (현대중공업 산업기술연구소 엔진연구실)
Abstract
In order to improve engine performance while overcoming the weak points of Pulse and MPC(Modular Pulse Converter) turbocharging system, a new turbocharging system. "Hi-Pulse system", has been introduced and developed for medium speed diesel engine. HYUNDAI HiMSEN engines. Hi-Pulse system is to utilize not only the benefits of MPC system at higher load but also the ones of Pulse system at lower load. As for the results. the specific fuel oil consumption and NOx emission were lowered compared with the Pulse and MPC system. Performance simulation were carried out to optimize intake and exhaust timing and exhaust duct arrangement and to improve the performance of Hi-Pulse system engine.em engine.
Keywords
Turbocharging System; MPC system; Pulse System; Performance Simulation; Medium Speed Diesel Engine;
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