There is a 7 kW cooler, a mass flow of 0.3 kg/s, the ambient temperature is 30 degrees Celsius and the specific volume of air is 0.875 m^3/kg, what would be the approximate temperature achieved for a humidity of 30%.

Demonstrate using the attached psychometric chart.

Transcribed Image Text:

1992 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. Nivel del mar 1.0 10.0 0.8 0.7 0.6 -0.5 5.0 04 4.0 0.3 20 Calor sensible = Calor total AHT Entalpia Al = Relacin de humedad 30 - 1.0 1.5. -5.0 2.0 4.0 -2.0 -4.0 -2.0 -1.0 -0.5 0.0 1.0 20 Entalpia (h) kilojoules por kilogramo de aire seco 40 Temperatura de saturacin "C 20 80 90 100 30 30- 25 temperatura de 0.90 arade bulbo humed SUO 80%* 70% 30 09 50% 40% 30% 20% Humedad relativa 10 20 30 40 Temperatura de bulbo seco "C 0.94 30 28 120 26 24 0.36 0.40 0.45 110 22 0.50 20- 0.55 100 18 0.60 16 0.65 90 0.70 14 0.75 -0.80 -0.85 80 -0.90 109 0.95 1.0 8 70 6 60 1992 American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. Nivel del mar 1.0 10.0 0.8 0.7 0.6 -0.5 5.0 04 4.0 0.3 20 Calor sensible = Calor total AHT Entalpia Al = Relacin de humedad 30 - 1.0 1.5. -5.0 2.0 4.0 -2.0 -4.0 -2.0 -1.0 -0.5 0.0 1.0 20 Entalpia (h) kilojoules por kilogramo de aire seco 40 Temperatura de saturacin "C 20 80 90 100 30 30- 25 temperatura de 0.90 arade bulbo humed SUO 80%* 70% 30 09 50% 40% 30% 20% Humedad relativa 10 20 30 40 Temperatura de bulbo seco "C 0.94 30 28 120 26 24 0.36 0.40 0.45 110 22 0.50 20- 0.55 100 18 0.60 16 0.65 90 0.70 14 0.75 -0.80 -0.85 80 -0.90 109 0.95 1.0 8 70 6 60