Question

9. Check out the error map for water vapor when treating the steam as ideal gas and give comments 10. Solve this problem using Ideal Gas equation: Determine the specific volume of refrigerant R134a at 1 MPa and 50°C. The R of R-134a is 0.0815 (kPa.m3)/(kg.K), Per 4.059 MPa, Ter 374.2 K. The actual specific volume is 0.021796 m3/kg. 11. Solve the above problem using the generalized compressibility chart (meaning, use the Z factor) 12. Determine the volume of water vapor at 60°C and atmospheric pressure using a. b. c. Steam Table Ideal Gas equation The generalized compressibility chart (Fig A-15) 13. Determine the pressure of N2 at T = 175 K and v 0.00375 m3/kg using: a. Ideal gas law, b. van der Waals model, c. Beattie-Bridgeman model, and d. the Benedict-Webb-Rubin model

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Answer 1

Pou on which the molec ocup 2n 에. 13 to s0 7 650一 o o.0 Sco DEAL 9As I 0 S mp 25,午 o kp 1叩 O-D -ool Vfm3 ItA

4- づ レ, 尺-/34 a Vapour O-02632-0.021子! = 2)、21. ImP 6 323k Cヴ

F lo1- 325 kpa Va- 1.64 m3/ -60°C 33 3 k.

l 3 P: 0-29 68 χ 75 2 so m 3-39 мА 339o kpa ст 64 Pe 2. 6Y (339) b RT 8 (33 9o) 6.0037 s- D-DD) 38 o-oD37s2

Ry T 시 = 28.013 Tabe A lb ) 02.29 g Bo ( 1 ㅡ 을 〉 -D.DS 378 lo2-2

Bo D.o 4074 ס D.DO53