EFFECT OF CYLINDER DIAMETER ON STATE QUANTITIES FOR IRREVERSIBLE PROCESS IN PISTON-CYLINDER SYSTEM
Author(s) -
Yutaka Asako,
Siti Nurul Akmal Yusof,
Mohammad Faghri,
Lit Ken Tan,
Nor Azwadi Che Sidik,
Wan Mohd Arif Aziz Japar
Publication year - 2019
Publication title -
frontiers in heat and mass transfer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 18
ISSN - 2151-8629
DOI - 10.5098/hmt.13.25
Subject(s) - piston (optics) , cylinder , frontier , mechanical engineering , thermal , thermal fluids , process (computing) , state (computer science) , materials science , mechanics , thermodynamics , engineering , physics , computer science , political science , law , wavefront , optics , operating system , algorithm , thermal resistance
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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