Design of revetec engine cam with cycloidal motion profile

Efficiency of conventional engines reduced due to heat and friction losses. Some of the input energy is lost in exhaust gases and water cooling and the mechanical losses due to friction. All conventional engines are using crankshafts to convert the piston reciprocating motion to a rotating motion in...

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Main Author:	Khairul Anuar, A. Rahman
Format:	Undergraduates Project Papers
Language:	English
Published:	2012
Subjects:	TL Motor vehicles. Aeronautics. Astronautics
Online Access:	http://umpir.ump.edu.my/id/eprint/4941/ http://umpir.ump.edu.my/id/eprint/4941/ http://umpir.ump.edu.my/id/eprint/4941/1/cd7354_69.pdf

id	ump-4941
recordtype	eprints
spelling	ump-49412015-03-03T09:22:06Z http://umpir.ump.edu.my/id/eprint/4941/ Design of revetec engine cam with cycloidal motion profile Khairul Anuar, A. Rahman TL Motor vehicles. Aeronautics. Astronautics Efficiency of conventional engines reduced due to heat and friction losses. Some of the input energy is lost in exhaust gases and water cooling and the mechanical losses due to friction. All conventional engines are using crankshafts to convert the piston reciprocating motion to a rotating motion in the drive line, but crankshafts are responsible of side thrust force, vibrations and also they are not efficient in transferring the power to the drive line. Crank-less and free piston engines were a good example to overcome the crank shaft problems, but these new kinds of engines are facing a control and starting problems. Revetec engine is a new engine arrangement used to increase engine’s efficiency by replacing the crankshaft and the connecting rod used in conventional engines by cams to control the piston movement. In revetec engine, it consists of two counter rotating threelobed cams gearing together. So, both cams contribute of forward motion. Two bearings moving along the profile of both cams (four bearings for all) and stay in contact with the cams at all times. The two cams rotate and raise the piston with a scissor-like action to the bearings. It meaning, in every cycles of the revetec engine there are three power stokes compared to one power stroke in the conventional engines. Based on revetec engine performing, Cam profile contributes great effect in combustion characteristics, so it is very important to find the suitable cam profile to achieve the maximum cylinder pressure. In this project a computational work. Based on comparison result of the project between conventional engine and revetec engine. The result obtained from this study has shown that by using a cam profile, with which Cycloidal motion was applied to the piston, the cylinder pressure can be increased up to 23.91 percent. 2012-06 Undergraduates Project Papers NonPeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/4941/1/cd7354_69.pdf Khairul Anuar, A. Rahman (2012) Design of revetec engine cam with cycloidal motion profile. Faculty of Mechanical Engineering, Universiti Malaysia Pahang. http://iportal.ump.edu.my/lib/item?id=chamo:75715&theme=UMP2
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Malaysia Pahang
building	UMP Institutional Repository
collection	Online Access
language	English
topic	TL Motor vehicles. Aeronautics. Astronautics
spellingShingle	TL Motor vehicles. Aeronautics. Astronautics Khairul Anuar, A. Rahman Design of revetec engine cam with cycloidal motion profile
description	Efficiency of conventional engines reduced due to heat and friction losses. Some of the input energy is lost in exhaust gases and water cooling and the mechanical losses due to friction. All conventional engines are using crankshafts to convert the piston reciprocating motion to a rotating motion in the drive line, but crankshafts are responsible of side thrust force, vibrations and also they are not efficient in transferring the power to the drive line. Crank-less and free piston engines were a good example to overcome the crank shaft problems, but these new kinds of engines are facing a control and starting problems. Revetec engine is a new engine arrangement used to increase engine’s efficiency by replacing the crankshaft and the connecting rod used in conventional engines by cams to control the piston movement. In revetec engine, it consists of two counter rotating threelobed cams gearing together. So, both cams contribute of forward motion. Two bearings moving along the profile of both cams (four bearings for all) and stay in contact with the cams at all times. The two cams rotate and raise the piston with a scissor-like action to the bearings. It meaning, in every cycles of the revetec engine there are three power stokes compared to one power stroke in the conventional engines. Based on revetec engine performing, Cam profile contributes great effect in combustion characteristics, so it is very important to find the suitable cam profile to achieve the maximum cylinder pressure. In this project a computational work. Based on comparison result of the project between conventional engine and revetec engine. The result obtained from this study has shown that by using a cam profile, with which Cycloidal motion was applied to the piston, the cylinder pressure can be increased up to 23.91 percent.
format	Undergraduates Project Papers
author	Khairul Anuar, A. Rahman
author_facet	Khairul Anuar, A. Rahman
author_sort	Khairul Anuar, A. Rahman
title	Design of revetec engine cam with cycloidal motion profile
title_short	Design of revetec engine cam with cycloidal motion profile
title_full	Design of revetec engine cam with cycloidal motion profile
title_fullStr	Design of revetec engine cam with cycloidal motion profile
title_full_unstemmed	Design of revetec engine cam with cycloidal motion profile
title_sort	design of revetec engine cam with cycloidal motion profile
publishDate	2012
url	http://umpir.ump.edu.my/id/eprint/4941/ http://umpir.ump.edu.my/id/eprint/4941/ http://umpir.ump.edu.my/id/eprint/4941/1/cd7354_69.pdf
first_indexed	2023-09-18T21:59:59Z
last_indexed	2023-09-18T21:59:59Z
_version_	1777414333620289536

Design of revetec engine cam with cycloidal motion profile

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