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ME2121 – Engineering Thermodynamics

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Internally Reversible Isothermal<br />

Heat Transfer Processes<br />

Entropy change of a system during an<br />

internally reversible isothermal heat<br />

transfer process can be determined by<br />

S<br />

<br />

2<br />

<br />

1<br />

Q<br />

<br />

<br />

T <br />

int<br />

rev<br />

<br />

2<br />

<br />

Q<br />

<br />

<br />

T <br />

1 0<br />

intrev<br />

<br />

1<br />

T<br />

0<br />

2<br />

Q<br />

1<br />

intrev<br />

which reduces to<br />

S<br />

<br />

Q<br />

T<br />

0<br />

(kJ /<br />

K)<br />

<strong>ME2121</strong> - Entropy I - Introduction (ASM) 31<br />

© Copyright 2005 Prof. Arun S. Mujumdar.

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