Heat Transfer Characteristics in Exhaust Port for Hydrogen Fueled Port Injection Engine A Transient Approach

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M. M., Noor and M. M., Rahman and K., Kadirgama and R. A., Bakar and M. F. A., Rahim (2011) Heat Transfer Characteristics in Exhaust Port for Hydrogen Fueled Port Injection Engine A Transient Approach. Advanced Materials Research, 152-15 . pp. 1909-1914. ISSN 1022-6680

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Official URL: http://www.scientific.net/AMR.152-153.1909

Abstract

This paper was investigated the transient heat transfer characteristics in exhaust port for hydrogen fueled port injection internal combustion engine (H2ICE). One dimensional gas dynamics was described the flow and heat transfer in the components of the engine model. The engine model is simulated with variable engine speed and air fuel ratio (AFR). Engine speed varied from 2000 rpm to 5000 rpm with increment equal to 1000 rpm and AFR was varies from stoichiometric to lean limit. The effects of AFR and engine speed on heat transfer characteristics for the exhaust port are also investigated. The baseline engine model is verified with previous published results. The obtained results clarify that transient heat transfer process inside exhaust port for port injection H2ICE were affected by the engine speed and AFR. It can be seen that for obtained results clarify that for transient analysis, the fluctuation with very small amplitudes for heat transfer coefficient and heat transfer rate during the compression, intake and part of power stroke. The rapid change for both of them occurs during the exhaust and part of power stroke due to the exhaust valve is open. The obtained results from the simulation can be employed to examine the emission production and engine performance.

Item Type:Article
Additional Information:Prof. Dr. Md Mustafizur Rahman (M. M. Rahman) Prof. Dato’ Dr. Rosli Abu Bakar (R. A. Bakar) Muhamad Mat Noor (M. M. Noor) Mohd Fadzil Abdul Rahim (M. F. A. Rahim) Dr. Kumaran Kadirgama (K. Kadirgama)
Uncontrolled Keywords:Hydrogen fuel; Heat transfer; Exhaust port; Engine speed; Crank angle; Air Fuel Ratio
Subjects:T Technology > TJ Mechanical engineering and machinery
Divisions:Faculty of Mechanical Engineering
ID Code:2214
Deposited By: Pn. Hazlinda Abd Rahman
Deposited On:08 Mar 2012 15:04
Last Modified:21 Aug 2017 14:24

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