Power Cycles:Vapor Power Cycles Flashcards by Karlene Samaniego | Brainscape

Q

Step 1-2

A

Isentropic Compression (Compressor)

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Q

Step 2-3

A

Heat Removal at Constant pressure (condenser)

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Q

Step 3-4

A

Isentropic Expansion/throttling (expansion valve)

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Q

Step 4-1

A

Heat addition at constant pressure (evaporator)

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Q

Calculation: Expansion Valve

A

Q=W=0
H3=H4

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Q

Calculation: Evaporator

A

W=0
Q=M(H1-H4)

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Q

Calculation: Compressor

A

Q=0
Wc=M(H2-H1)

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Q

Calculation: Condenser

A

W=0
Qc=M(H3-H2)

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Q

Calculation: Thermal Efficiency

A

COP=QL/Win=QB/Wc

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