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Working Characteristics of Variable Intake Valve in Compressed Air Engine

Authors :
Qihui Yu
Yan Shi
Maolin Cai
Source :
The Scientific World Journal, Vol 2014 (2014)
Publication Year :
2014
Publisher :
Hindawi Limited, 2014.

Abstract

A new camless compressed air engine is proposed, which can make the compressed air energy reasonably distributed. Through analysis of the camless compressed air engine, a mathematical model of the working processes was set up. Using the software MATLAB/Simulink for simulation, the pressure, temperature, and air mass of the cylinder were obtained. In order to verify the accuracy of the mathematical model, the experiments were conducted. Moreover, performance analysis was introduced to design compressed air engine. Results show that, firstly, the simulation results have good consistency with the experimental results. Secondly, under different intake pressures, the highest output power is obtained when the crank speed reaches 500 rpm, which also provides the maximum output torque. Finally, higher energy utilization efficiency can be obtained at the lower speed, intake pressure, and valve duration angle. This research can refer to the design of the camless valve of compressed air engine.

Subjects

Subjects :
Technology
Medicine
Science

Details

Language :
English
ISSN :
23566140 and 1537744X
Volume :
2014
Database :
Directory of Open Access Journals
Journal :
The Scientific World Journal
Publication Type :
Academic Journal
Accession number :
edsdoj.9fefffe0a54e4afca11da1999aee76e3
Document Type :
article
Full Text :
https://doi.org/10.1155/2014/498934