Catalogue data for R-32 compressor with a displacement of 80 L/s show the capacity to be 8 tons when the suction conditions are 0.2 MPa and -20°C and condensing temperature is 50°C. The refrigerant leaves the condenser as saturated liquid. Calculate the actual volumetric efficiency and the brake work of the compressor if the compressor efficiency is 65%. Please help me ! 10020200300400500600R-3270080020.(difuoromethane)Reference state:h = 200.0 kkg. 1.00 kkg K)for saturated iquid at OC10700,5008400p= 200 kg/m150300610.cp481008066050602404030302010.810200.61510.4-10100.88.00.60.230°C0.4%3D4.0403.00.10.20.08-502,00.061.5-600.10.041.00.080.800.063.10 kJ{kg•K),3.200.600.020.040.400.300.010.020.20100200300Properties computed with: NIST REFPROP4005006000.01800version 7.0ENTHALPY, kJ/kg700Based on formulation of Tiliner-Roth and Yokozeki (1997)PRESSURE, MPa0.40:00C 08-09'0----0.70060-001 30F1.50-81.60-#1.70:1.9000-140+

Refrigerant=R32Compressor displacement, V˙d=80 L/s=0.080 m3/sRefrigeration capacity, Q˙e=8…

Answered: Catalogue data for R-32 compressor with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Catalogue data for R-32 compressor with a displacement of 80 L/s show the capacity to be 8 tons when the suction conditions are 0.2 MPa and -20°C and condensing temperature is 50°C. The refrigerant leaves the condenser as saturated liquid. Calculate the actual volumetric efficiency and the brake work of the compressor if the compressor efficiency is 65%.

Please help me !

100
20
200
300
400
500
600
R-32
700
800
20.
(difuoromethane)
Reference state:
h = 200.0 kkg. 1.00 kkg K)
for saturated iquid at OC
10
700,
500
8
400
p= 200 kg/m
150
300
6
10.
cp
4
8
100
80
6
60
50
60
2
40
40
30
30
20
1
0.8
10
20
0.6
15
1
0.4
-10
10
0.8
8.0
0.6
0.2
30°C
0.4
%3D
4.0
40
3.0
0.1
0.2
0.08
-50
2,0
0.06
1.5
-60
0.1
0.04
1.0
0.08
0.80
0.06
3.10 kJ{kg•K),
3.20
0.60
0.02
0.04
0.40
0.30
0.01
0.02
0.20
100
200
300
Properties computed with: NIST REFPROP
400
500
600
0.01
800
version 7.0
ENTHALPY, kJ/kg
700
Based on formulation of Tiliner-Roth and Yokozeki (1997)
PRESSURE, MPa
0.40
:00C 08-
09'0--
--0.70
060-
00
1 30
F1.50-
81.60-
#1.70
:1.90
00-
140+

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