applied thermodynamics - weebly

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Applied Thermodynamics

Week_13

Instructor: Mr. Adnan Qamar

Mechanical Engineering Department

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ENTROPYExample 4.1:

Given Data:

m = 1 kg T1 = 650°C s1 = 6.5kJ/kg.K P1=P2 T2=250ᵒC

Q=? T-s diagram?

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ENTROPYSolution:

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ENTROPYExample 4.2:

Given Data:

V1=V2=0.025m3 P1=80 bar T1=350ᵒC

P2=50 bar x2=? Q=? T-s diagram?

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ENTROPYSolution:

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ENTROPY

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ENTROPYExample 4.3:

Given Data:

T1=15ᵒC P1=1.02 bar V1=0.02m3

V2=V1 P2=4.2 bar P3=P2

T3=T1 Q=? ∆s=?

T-s diagram?

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ENTROPYSolution:

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ENTROPYExample 4.4:

Given Data:

X1=1 P1=100 bar T1=T2 P2=10 bar

Q=? W=?

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ENTROPYSolution:

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ENTROPYExample 4.5:

Given Data:

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ENTROPYExample 4.6:

Given Data:

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ENTROPY

Exercise Problems: 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 4.10, 4.11,

4.12, 4.13, 4.14, 4.15, 4.16, 4.17, 4.18

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