Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine

This paper addresses the computational fluid dynamics (CFD) simulation to investigate the in-cylinder flow characteristics of 2D combustion chamber for a hydrogen-fuelled four-stroke internal combustion engine. CFD simulation has been carried out using commercial CFD codes. The engine speed was vari...

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Main Authors:	Hamada, Khalaf I., M. M., Rahman, D., Ramasamy, M. M., Noor, K., Kadirgama
Format:	Article
Language:	English
Published:	Universiti Malaysia Pahang 2016
Subjects:	TJ Mechanical engineering and machinery
Online Access:	http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/1/Numerical%20Investigation%20Of%20In-Cylinder%20Flow%20Characteristics%20Of%20Hydrogen-Fuelled%20Internal%20Combustion%20Engine.pdf

id	ump-14434
recordtype	eprints
spelling	ump-144342017-12-26T02:03:25Z http://umpir.ump.edu.my/id/eprint/14434/ Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine Hamada, Khalaf I. M. M., Rahman D., Ramasamy M. M., Noor K., Kadirgama TJ Mechanical engineering and machinery This paper addresses the computational fluid dynamics (CFD) simulation to investigate the in-cylinder flow characteristics of 2D combustion chamber for a hydrogen-fuelled four-stroke internal combustion engine. CFD simulation has been carried out using commercial CFD codes. The engine speed was varied from 1000 to 3000 rpm, the range of equivalent ratio from 0.6 to 1.0 and the crank angle from 0 to 720 degrees in this study. The effect of the engine speed and equivalence ratio on the flow-field characteristics and volumetric efficiency are investigated in the motoring condition. The increase of engine speed gives a more efficient diffusion process for hydrogen and gives a more homogeneous air–fuel mixture structure. The characteristics of the flow-field are represented by the in-cylinder pressure and temperature distribution as well as the contours of the hydrogen mass fraction for different engine speeds. The acquired results show the maximum in-cylinder temperature and pressure obtained of 650 K and 1.143 MPa at the engine speed of 3000 rpm respectively. It can be seen that the engine speed and equivalence ratio are strongly related to the volumetric efficiency. The results show that the volumetric efficiency increases linearly with increase of the engine speed, but decreases with increase of the equivalence ratio. The results obtained from the simulation can be employed to examine the homogeneity of the air–fuel mixture structure for a better combustion process and engine performance. Universiti Malaysia Pahang 2016 Article PeerReviewed application/pdf en cc_by http://umpir.ump.edu.my/id/eprint/14434/1/Numerical%20Investigation%20Of%20In-Cylinder%20Flow%20Characteristics%20Of%20Hydrogen-Fuelled%20Internal%20Combustion%20Engine.pdf Hamada, Khalaf I. and M. M., Rahman and D., Ramasamy and M. M., Noor and K., Kadirgama (2016) Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine. Journal of Mechanical Engineering and Sciences (JMES), 10 (1). pp. 1792-1802. ISSN 2289-4659 (print); 2231-8380 (online) http://dx.doi.org/10.15282/jmes.10.1.2016.4.0172 DOI: 10.15282/jmes.10.1.2016.4.0172
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TJ Mechanical engineering and machinery
spellingShingle	TJ Mechanical engineering and machinery Hamada, Khalaf I. M. M., Rahman D., Ramasamy M. M., Noor K., Kadirgama Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
description	This paper addresses the computational fluid dynamics (CFD) simulation to investigate the in-cylinder flow characteristics of 2D combustion chamber for a hydrogen-fuelled four-stroke internal combustion engine. CFD simulation has been carried out using commercial CFD codes. The engine speed was varied from 1000 to 3000 rpm, the range of equivalent ratio from 0.6 to 1.0 and the crank angle from 0 to 720 degrees in this study. The effect of the engine speed and equivalence ratio on the flow-field characteristics and volumetric efficiency are investigated in the motoring condition. The increase of engine speed gives a more efficient diffusion process for hydrogen and gives a more homogeneous air–fuel mixture structure. The characteristics of the flow-field are represented by the in-cylinder pressure and temperature distribution as well as the contours of the hydrogen mass fraction for different engine speeds. The acquired results show the maximum in-cylinder temperature and pressure obtained of 650 K and 1.143 MPa at the engine speed of 3000 rpm respectively. It can be seen that the engine speed and equivalence ratio are strongly related to the volumetric efficiency. The results show that the volumetric efficiency increases linearly with increase of the engine speed, but decreases with increase of the equivalence ratio. The results obtained from the simulation can be employed to examine the homogeneity of the air–fuel mixture structure for a better combustion process and engine performance.
format	Article
author	Hamada, Khalaf I. M. M., Rahman D., Ramasamy M. M., Noor K., Kadirgama
author_facet	Hamada, Khalaf I. M. M., Rahman D., Ramasamy M. M., Noor K., Kadirgama
author_sort	Hamada, Khalaf I.
title	Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
title_short	Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
title_full	Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
title_fullStr	Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
title_full_unstemmed	Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine
title_sort	numerical investigation of in-cylinder flow characteristics of hydrogen-fuelled internal combustion engine
publisher	Universiti Malaysia Pahang
publishDate	2016
url	http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/ http://umpir.ump.edu.my/id/eprint/14434/1/Numerical%20Investigation%20Of%20In-Cylinder%20Flow%20Characteristics%20Of%20Hydrogen-Fuelled%20Internal%20Combustion%20Engine.pdf
first_indexed	2023-09-18T22:18:11Z
last_indexed	2023-09-18T22:18:11Z
_version_	1777415478312960000

Numerical Investigation of In-Cylinder Flow Characteristics of Hydrogen-Fuelled Internal Combustion Engine

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