Assign3-1 - Problem Statement: Complete this Table for...

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Problem Statement: 28 Complete this Table for R-134a Schematic: P (kPa) Phase Description Given values -8.00 ### 30.00 0.015000 ### Sat. vapor 80.00 ### Assumptions/Approximations: Linear interpolation is satisfactory for intermediate values saturated fluid values are appropriate (at the given temperature) for compressed liquid Physical Laws: None needed Properties/Sources: Tables A-11, 12, and 13 Calculations: P (kPa) Phase Description Given values Reasoning *** -8.00 ### 0.000757Compressed liquidTable A-11 2.46 30.00 ### 0.015000 Sat. mix. Table A-11 54.92% 770.640 kPa ### ### 0.110410 Sat. vapor Table A-12 80.00 ### 0.044710 SH vapor Table A-13 *** At -8.00 0.000757 Reasoning/Verification/Discussion: See EES code and answers below P (kPa) Phase Description Given values -8.00 ### 0.000757Compressed liquid EES See chart above for EES state plot on T-s diagram 30.00 ### 0.015000 Sat. mix. EES; x = 54.92% ### ### 0.110407 Sat. vapor EES 80.00 ### 0.044710 SH vapor EES Close agreement T_1=-8.00 T_2=30.00 P_3=180.00 T_4=80.00 P_1=320.000 v_2=.015000 x_3=1 P_4=600.000 v_1=Volume(R134a,T=T_1,P=P_1)P_2=Pressure(R134a,T=T_2,v=v_2) T_sat_3=T_sat(R134a,P=P_3) v_4=Volume(R134a,T=T_4,P=P_4) T ( o C) v (m 3 /kg) T ( o C) v (m 3 /kg) T SAT = o
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This note was uploaded on 06/20/2009 for the course THERMO n/a taught by Professor N/a during the Spring '09 term at Abraham Baldwin Agricultural College.

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Assign3-1 - Problem Statement: Complete this Table for...

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