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Find the heat absorbed to evaporate 5Lb of R134a from Point 1 to point 2 as shown in P-H diagram.

Find the heat absorbed to evaporate 5Lb of R134a from Point 1 to point 2 as shown in P-H diagram.

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Find the heat absorbed to evaporate 5Lb of R134a from Point 1 to point 2 as shown in P-H diagram. -20 2000 20 40 60 80 100 120 140 160 180 200 2000 R-134a (1.1.1.2-tertrafiuoroethane) 1000 Reference state 40 800 for saturated liquid at-40F *0.00 BtaD"F 20 ib/te 600 15 1000 800 10 400 8.0 600 180 6.0 160 i40 4 400 200 4.0 3.0 120 100 200 2.0 100 80 80 1.5 60 100 -2 60 1.0 80 0.80 40 40 60 0.60 20°F 40 0.40 20 0.30 言 20 0.20 10 0.15 40 10 0.10 o.080 4 6. 0.060 0.040 2. 0.38 0.030 0.020 1 -20 0.015 20 40 60 80 100 120 Properties computed with NIST REFPROP veraion 7O 140 160 180 ENTHALPY, Btu/lb 200 Based on 1ormustion ot Tner-Roth and Baehr (1994) Fig. ৪ Pressure-Enthalpy Diagram for Refrigerant 134a PAESSUME, PSia
Transcribed Image Text:Find the heat absorbed to evaporate 5Lb of R134a from Point 1 to point 2 as shown in P-H diagram. -20 2000 20 40 60 80 100 120 140 160 180 200 2000 R-134a (1.1.1.2-tertrafiuoroethane) 1000 Reference state 40 800 for saturated liquid at-40F *0.00 BtaD"F 20 ib/te 600 15 1000 800 10 400 8.0 600 180 6.0 160 i40 4 400 200 4.0 3.0 120 100 200 2.0 100 80 80 1.5 60 100 -2 60 1.0 80 0.80 40 40 60 0.60 20°F 40 0.40 20 0.30 言 20 0.20 10 0.15 40 10 0.10 o.080 4 6. 0.060 0.040 2. 0.38 0.030 0.020 1 -20 0.015 20 40 60 80 100 120 Properties computed with NIST REFPROP veraion 7O 140 160 180 ENTHALPY, Btu/lb 200 Based on 1ormustion ot Tner-Roth and Baehr (1994) Fig. ৪ Pressure-Enthalpy Diagram for Refrigerant 134a PAESSUME, PSia
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