Can you also show the plot on the chart provided?  The mass flow rate of the refrigerant in a Single Stage Vapor Compression (SSVC) refrigeration system is 0.015 kg/s and the evaporating and condensing temperatures shall be -20°C and 50°C, respectively. Determine the following: (1) cooling capacity in tons, (2) work of compressor in kW, (3) COP of the system,

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Can you also show the plot on the chart provided? 

The mass flow rate of the refrigerant in a Single Stage Vapor Compression (SSVC) refrigeration system is 0.015 kg/s and the evaporating and condensing temperatures shall be -20°C and 50°C, respectively. Determine the following:

(1) cooling capacity in tons,

(2) work of compressor in kW,

(3) COP of the system,

(4) EER of the system, and

(5) refrigerating efficiency.

Can you also show the plot on the chart provided? 

 

4.
PRESSURE, MPa
-50 1450
-20
1350
1300
0.70
1250
Saturated Liquid
0.80:
1200
.....
0.1
0.90-삐
1100
0.3
70
1050 -
1.10-
80
1.20
06
.....
0.5
00,
2-1.30 -
0.6
-D1.40
1.50
0.8
1.70-
Saturated Vapor.
00,
-1
2.20
T 160°C
t.
s= 2.30 kJ/(kg -K).
2.40
550
350
009
150
00 0
R-134a
009
500 kg/m
000
006
(1,1,1,2-tetrafluoroethane)
400
8
Reference state:
h = 200.0 kJ/kg, s= 1.00 kJ/(kg K)
for saturated liquid at 0°C
9.
8 8 88 8
9.
001
06
08
2
60.
2
60,
1.
0.8
1.
0.8
20.
0.6
15
0.4
0.4
8.0
0.2
T=-10°C
0.2
-20
3.0
0.1
0.1
2.0
0.08
-30
0.08
%23
1.5
-40
90'
0.04
0.04
0.80
0-
09'0
0.02
0.02
0.40
09-
0.01
450
550
0.01
009
150
250
00
Based on formulation of Tilliner-Roth and Baehr (1994)
ENTHALPY, kJ/kg
Properties computed with: NIST REFPROP
Yersien 7.0
Transcribed Image Text:4. PRESSURE, MPa -50 1450 -20 1350 1300 0.70 1250 Saturated Liquid 0.80: 1200 ..... 0.1 0.90-삐 1100 0.3 70 1050 - 1.10- 80 1.20 06 ..... 0.5 00, 2-1.30 - 0.6 -D1.40 1.50 0.8 1.70- Saturated Vapor. 00, -1 2.20 T 160°C t. s= 2.30 kJ/(kg -K). 2.40 550 350 009 150 00 0 R-134a 009 500 kg/m 000 006 (1,1,1,2-tetrafluoroethane) 400 8 Reference state: h = 200.0 kJ/kg, s= 1.00 kJ/(kg K) for saturated liquid at 0°C 9. 8 8 88 8 9. 001 06 08 2 60. 2 60, 1. 0.8 1. 0.8 20. 0.6 15 0.4 0.4 8.0 0.2 T=-10°C 0.2 -20 3.0 0.1 0.1 2.0 0.08 -30 0.08 %23 1.5 -40 90' 0.04 0.04 0.80 0- 09'0 0.02 0.02 0.40 09- 0.01 450 550 0.01 009 150 250 00 Based on formulation of Tilliner-Roth and Baehr (1994) ENTHALPY, kJ/kg Properties computed with: NIST REFPROP Yersien 7.0
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