Air is flowing steadily in an insulated duct. nd temperature measurements of the air at two stations A and B are stablish the direction of the flow of air in the duct. Assume that fa V 0.287 = at c is constant at 1.005 kJ/kg K, h = c I, and whe T P re pressure (in kPa), volume (in m³/kg) and temperature (in K) resp

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Air is flowing steadily in an insulated duct. The pressure
and temperature measurements of the air at two stations A and B are given below.
Establish the direction of the flow of air in the duct. Assume that for air, specific
V
0.287
where p, v, and T
р
T
Р
heat c is constant at 1.005 kJ/kg K, h = c T, and
are pressure (in kPa), volume (in m³/kg) and temperature (in K) respectively.
Station A
Station B
Pressure
Temperature
130 kPa
50°C
100 kPa
13°C
Transcribed Image Text:Air is flowing steadily in an insulated duct. The pressure and temperature measurements of the air at two stations A and B are given below. Establish the direction of the flow of air in the duct. Assume that for air, specific V 0.287 where p, v, and T р T Р heat c is constant at 1.005 kJ/kg K, h = c T, and are pressure (in kPa), volume (in m³/kg) and temperature (in K) respectively. Station A Station B Pressure Temperature 130 kPa 50°C 100 kPa 13°C
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