Refrigerators and Carnot Cycle

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Refrigerators and Carnot Cycle Prof. Marlon Flores Sacedon Department of Mathematics and Physics College of Arts and Sciences Visayas State University, Visca Baybay City, Leyte, Phiippines

Refrigerators

Refrigerators

Refrigerators

Refrigerators 1 Btu = 1055 J 1 Hp = 550 ft-lb/s = 746 watts = 2545 Btu/h

Refrigerators

Refrigerators

Specific Heat Capacity, c Approximate specific and molar heat capacities (constant pressure) Substance Specific Heat Capacity, c (J/Kg.K) M (kg/mol) Molar Heat Capacity, C (J/mol.K) Aluminum 910 0.0270 24.6 Beryllium 1970 0.00901 17.7 Copper 390 0.0635 24.8 Ethanol 2428 0.0461 111.9 Ethylene glycol 2386 0.0620 148.0 Ice (near 0oC) 2100 0.0180 37.8 Iron 470 0.0559 26.3 Lead 130 0.201 26.9 Marble 879 0.0585 87.9 Mercury 138 27.7 Salt 51.4 Silver 234 0.108 25.3 Water 4190 75.4

Carnot Cycle

Carnot Cycle

Carnot Cycle

Carnot Cycle

Carnot Cycle

Carnot Cycle

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