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An Integrated Model for Predicting Engine Friction Losses in Internal Combustion Engines

Kamil, Mohammed and M. M., Rahman and R. A., Bakar (2014) An Integrated Model for Predicting Engine Friction Losses in Internal Combustion Engines. International Journal of Automotive and Mechanical Engineering (IJAME), 9. pp. 1695-1708. ISSN 1985-9325(Print); 2180-1606 (Online)

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Abstract

A comprehensive computer model (EFLP) has been developed for carrying out friction estimation and analysis of sparks ignited in reciprocating engines. EFLP considers five major loss components in an automotive engine: the crankshaft, piston, valvetrain, auxiliary components and pumping losses. Hydrodynamic, mixed, and boundary layer regimes are used to model the friction phenomena. The main building blocks of EFLP are empirical engine friction models based on experimental data. EFLP is constructed using MATAB-based engine code for estimating engine performance. The friction in a 4-cylinder 4-stroke engine is inspected. The results predicted by EFLP were validated according to a case study available in the literature. The validation showed that EFLP predictions are realistic and accurate.

Item Type: Article
Additional Information: Indexed in Scopus
Uncontrolled Keywords: Engine friction; Pumping losses; Valvetrain friction; Auxiliary friction
Subjects: T Technology > TJ Mechanical engineering and machinery
Faculty/Division: Faculty of Mechanical Engineering
Depositing User: Professor Dr. Md. Mustafizur Rahman
Date Deposited: 12 Jan 2015 02:06
Last Modified: 25 Jan 2018 03:10
URI: http://umpir.ump.edu.my/id/eprint/8170
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