VISHWAKARMA GOVT ENGG

EME: CONSTANT PRESSURE PROCESS

Prepared by :• Name: Trivedi dipen s.

• Branch: mechanical

• Enroll: 140170119061

• Sem:

Work done by an ideal gas at constant volume and constant pressure

• Isovolumetric process – a process at a constant volume

• Isobaric process – a process at a constant pressure

0if

f

i VV

V

VPdVW

VPW

0W

f

i

V

VPdVW f

i

V

VdVP VP

Molar specific heat at constant volume

• Heat related to temperature change:

• Internal energy change:

TNnmcQ AV )( 0 TnCV

WTnCE V int TnCTnC VV 0

Tn

ECV

int

Tn

nRT

23

T

TR

2

3R

2

3

KmolJRCV / 5.122

3TnCE V int

Cylinder working

Graph presentation

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