APPLYING THE HOMOGENEITY FACTOR TO EVALUATE THE EFFECTS OF PILOT INJECTION CHARACTERISTICS ON AIR-FUEL MIXING QUALITY AND ENGINE PERFORMANCE IN A TURBO-CHARGED HIGH SPEED DIRECT INJECTION (HSDI) DIESEL ENGINE

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MOBASHERI RAOUF; SEDDIQ MAHDI

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Journal: FUEL AND COMBUSTION Year:2017 | Volume:10 | Issue:2 Page(s): 53-71

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Title

APPLYING THE HOMOGENEITY FACTOR TO EVALUATE THE EFFECTS OF PILOT INJECTION CHARACTERISTICS ON AIR-FUEL MIXING QUALITY AND ENGINE PERFORMANCE IN A TURBO-CHARGED HIGH SPEED DIRECT INJECTION (HSDI) DIESEL ENGINE

Author(s)

MOBASHERI RAOUF | SEDDIQ MAHDI | Issue Writer Certificate

Keywords

DIESEL ENGINEQ1

HOMOGENEITY FACTORQ1

PILOT INJECTIONQ2

ENGINE PERFORMANCEQ2

POLLUTANT EMISSIONQ1

Abstract

In the current research, the simultaneous effects of pilot fuel quantity and PILOT INJECTION timing on the air- fuel mixing process, ENGINE PERFORMANCE and POLLUTANT EMISSIONs have been investigated in a High Speed Direct Injection (HSDI) turbo- charged DIESEL ENGINE. For this purpose, a modified parameter called "Homogeneity Factor (HF)" has been applied as a new measure for analyzing the air- fuel mixing process. The simulated results have been compared with the experimental data and a very good agreement has been achieved for simulating the in-cylinder pressure, heat release rate and POLLUTANT EMISSIONs. The results show that the pilot fuel quantity is more effective on air- fuel mixing quality than PILOT INJECTION timing. By advancing the start of PILOT INJECTION timing, the maximum amount of HOMOGENEITY FACTOR during PILOT INJECTION, is achieved at an earlier time. As a result, for earlier SOP timing, a sufficient mixing is available to achieve a more homogeneous mixture at the time of ignition.

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APA: Copy

MOBASHERI, RAOUF, & SEDDIQ, MAHDI. (2017). APPLYING THE HOMOGENEITY FACTOR TO EVALUATE THE EFFECTS OF PILOT INJECTION CHARACTERISTICS ON AIR-FUEL MIXING QUALITY AND ENGINE PERFORMANCE IN A TURBO-CHARGED HIGH SPEED DIRECT INJECTION (HSDI) DIESEL ENGINE. FUEL AND COMBUSTION, 10(2 ), 53-71. SID. https://sid.ir/paper/138641/en

Vancouver: Copy

MOBASHERI RAOUF, SEDDIQ MAHDI. APPLYING THE HOMOGENEITY FACTOR TO EVALUATE THE EFFECTS OF PILOT INJECTION CHARACTERISTICS ON AIR-FUEL MIXING QUALITY AND ENGINE PERFORMANCE IN A TURBO-CHARGED HIGH SPEED DIRECT INJECTION (HSDI) DIESEL ENGINE. FUEL AND COMBUSTION[Internet]. 2017;10(2 ):53-71. Available from: https://sid.ir/paper/138641/en

IEEE: Copy

RAOUF MOBASHERI, and MAHDI SEDDIQ, “APPLYING THE HOMOGENEITY FACTOR TO EVALUATE THE EFFECTS OF PILOT INJECTION CHARACTERISTICS ON AIR-FUEL MIXING QUALITY AND ENGINE PERFORMANCE IN A TURBO-CHARGED HIGH SPEED DIRECT INJECTION (HSDI) DIESEL ENGINE,” FUEL AND COMBUSTION, vol. 10, no. 2 , pp. 53–71, 2017, [Online]. Available: https://sid.ir/paper/138641/en

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