Cover Image

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...

Full description

Saved in:
Bibliographic Details
Main Author: Khairul Anuar, A. Rahman
Format: Undergraduates Project Papers
Language:English
Published: 2012
Subjects:
TJ Mechanical engineering and machinery
Online Access:http://umpir.ump.edu.my/id/eprint/4578/1/Design%20of%20revetec%20engine%20cam%20with%20cycloidal%20motion%20profile.pdf
http://umpir.ump.edu.my/id/eprint/4578/
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.ump.umpir.4578
record_format eprints
spelling my.ump.umpir.45782023-05-05T03:30:48Z http://umpir.ump.edu.my/id/eprint/4578/ Design of revetec engine cam with cycloidal motion profile Khairul Anuar, A. Rahman TJ Mechanical engineering and machinery 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 pdf en http://umpir.ump.edu.my/id/eprint/4578/1/Design%20of%20revetec%20engine%20cam%20with%20cycloidal%20motion%20profile.pdf Khairul Anuar, A. Rahman (2012) Design of revetec engine cam with cycloidal motion profile. Faculty of Mechanical Engineering, Universiti Malaysia Pahang.
institution Universiti Malaysia Pahang
building UMP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Pahang
content_source UMP Institutional Repository
url_provider http://umpir.ump.edu.my/
language English
topic TJ Mechanical engineering and machinery
spellingShingle TJ Mechanical engineering and machinery
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/4578/1/Design%20of%20revetec%20engine%20cam%20with%20cycloidal%20motion%20profile.pdf
http://umpir.ump.edu.my/id/eprint/4578/
_version_ 1765296896408027136
score 13.211869

Similar Items