Open Access

ARTICLE

EFFECT OF CYLINDER DIAMETER ON STATE QUANTITIES FOR IRREVERSIBLE PROCESS IN PISTON-CYLINDER SYSTEM

Siti Nurul Akmal Yusof^a , Yutaka Asako^a,*,Mohammad Faghri^b , Lit Ken Tan^a , Nor Azwadi bin Che Sidik^a, Wan Mohd Arif bin Aziz Japar^a

a Department of Mechanical Precision Engineering, MJIIT, University Technology Malaysia, Kuala Lumpur ,54100, Malaysia
b Department of Mechanical, Industrial and System Engineering, University of Rhode Island, Kingston, RI 02881-0805, U.S.A.

* Corresponding Author: Email:

Frontiers in Heat and Mass Transfer 2019, 13, 1-5. https://doi.org/10.5098/hmt.13.25

Abstract

A numerical analysis for the effect of a cylinder diameter on the state quantities for the irreversible process in a piston-cylinder system was conducted using the LB1S model. The numerical method is based on the ALE method. The cylinder-diameter range of D=0.01 m to 0.10 m was chosen. The effect of the cylinder-diameter on the state quantities was slight in the single compression with the piston velocity of -10 m/s. The ratio of the average pressure to the pressure of the reversible process at the end of the first cycle ranged from 1.00023 to 1.00462 in the cyclic compression-expansion processes of 20000 rpm.

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Keywords

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