会议论文详细信息
Indonesia Malaysia Research Consortium Seminar 2018
Effects of Advancing the Pilot Injection Timing on The Engine Performance, Combustion and Emissions on Diesel dual fuel Engine at High Load
Sudarmanta, Bambang^1 ; Setiyawan, Atok^1 ; Ary Bachtiar, K.P.^1 ; Yuvenda, Dori^1^2 ; Silva, Jose Da^1
Department of Mechanical Engineering, Faculty of Industrial Technology, Institut Teknologi Sepuluh Nopember, Kampus ITS, Sukolilo, Surabaya
60111, Indonesia^1
Department of Automotive Engineering, Faculty of Engineering, Universitas Negeri Padang, Kampus UNP Air Tawar Barat, Padang
25171, Indonesia^2
关键词: Brake thermal efficiency;    Combustion duration;    Combustion performance;    Engine performance;    Heat Release Rate (HRR);    Maximum cylinder pressure;    Particulate matter emissions;    Pilot injection timing;   
Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/588/1/012020/pdf
DOI  :  10.1088/1757-899X/588/1/012020
来源: IOP
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【 摘 要 】

Pilot injection timing is a very important parameter at the start of ignition which will affect engine performance and emissions on diesel dual-fuel engines, especially at high loads. This research was carried out on the Diamond DI 800 diesel engine, a single-cylinder that was modified into a dual fuel engine with the aim to determine the effect of advancing the pilot injection timing (PIT) on engine performance, combustion and emissions under high loads with variation pilot injection timing (110, 130, 150, 170 and 190 BTDC). The cylinder pressure, heat release rate (HRR), combustion duration, ignition delay, power, SFC and brake thermal efficiency (BTE), as well as carbon monoxide (CO), hydrocarbon (HC) and particulate matter emissions, were analyzed. The results showed that advancing the pilot injection timing increased the maximum cylinder pressure by 69.52 bar; the heat release rate was 117.79 kJ/m3/0CA, brake thermal efficiency was 25.17% and significantly reduced HC, CO and PM emissions at the pilot injection timing 17° BTDC. Improved combustion performance occurs when the combustion duration is reduced even though the ignition delay period occurs by adding pilot injection timing under high load.

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