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(KW) (KW) (M /H) : Unit Settings: Si C Kpa KJ Mass Deg (KJ/KG K) (KJ/KG K) (KJ/KG)

The document is a solution file from an engineering software program. It provides values for variables in a thermodynamic system, including temperatures, pressures, heat values, mass flow rates, and efficiencies. A psychrometric chart is presented showing humidity ratio as a function of temperature at a constant pressure of 101.3 kPa. Two potential issues were detected with the suggested units for some values.

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Calos Andres Gonzalez
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67 views1 page

(KW) (KW) (M /H) : Unit Settings: Si C Kpa KJ Mass Deg (KJ/KG K) (KJ/KG K) (KJ/KG)

The document is a solution file from an engineering software program. It provides values for variables in a thermodynamic system, including temperatures, pressures, heat values, mass flow rates, and efficiencies. A psychrometric chart is presented showing humidity ratio as a function of temperature at a constant pressure of 101.3 kPa. Two potential issues were detected with the suggested units for some values.

Uploaded by

Calos Andres Gonzalez
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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File:d:\Users\Usuario\Desktop\CODIGO PARCIAL 2.

EES 8/08/2020 14:54:18 Page 1


er. 9.944: #4402: EASY ENGINEERING, https://www.youtube.com/channel/UCjC8ulmve2QNRJXhDpk-L2A+  CN xJID_JLN yNINGGBDE CJH@NYX _NJF

SOLUTION
Unit Settings: SI C kPa kJ mass deg
Cpa = 1.005 [KJ/Kg*K] Cpv = 1.82 [KJ/Kg*K] hv@T2 = 2528 [kJ/kg]
ma = 3.454 w1 = 0.007057 w2 = 0.009472
P = 100 f1 = 0.6577 f2 = 0.5
f5 = 0.53 Psat@15C = 1.706 Psat@24C = 3
Pv = 1.5 Pv1 = 1.122 QL = 21.1 [kW]
Qs = 31.64 [kW] Ra = 0.287 T = 288
T1 = 15 T2 = 24 T5 = 30 [C]
V1 = 10396 [m3/h] va1 = 0.836

2 potential unit problems were detected.


EES suggested units (shown in purple) for Q_L Q_s V_1 .

AirH2O
0.050
Pressure = 101.3 [kPa]
0.045
Humidity Ratio

0.040 35°C

0.035 0.8

0.
92
0.030

5
30°C
0.6
0.025
0.
9

25°C
0.020
0.4
0.
8

20°C
0.015
75

15°C
0.

0.010
85

10°C 0.2
m
3/
0.8

kg

0.005
25
0.8

0.000
0 5 10 15 20 25 30 35 40 45 50 55
T [°C]

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