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Unformatted text preview: a rate of 2.27 kg/s, and is determined to be Beef 35 C 280 kg Lights, 2 kW Fans, 22 kW 11kW kW 135 C 16) C)(35 kJ/kg. kg/s)(3.14 (2.27 ) ( = = = beef p beef T C m Q & & Then the total refrigeration load of the chilling room becomes kW 170 = + + + = + + + = 11 2 22 135 room chilling total, gain heat lights fan beef Q Q Q Q Q & & & & & ( b ) Heat is transferred to air at the rate determined above, and the temperature of air rises from 2.2C to 0.5C as a result. Therefore, the mass flow rate of air is kg/s 63.0 C] 2.2) ( C)[0.5 kJ/kg. (1.0 kW 170 ) ( = = = air p air air T C Q m & & Then the volume flow rate of air becomes m/s 49.2 = = = kg/m 1.28 kg/s 63.0 air air air m V & & 480...
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This note was uploaded on 01/19/2012 for the course PHY 4803 taught by Professor Dr.danielarenas during the Fall '10 term at UNF.
 Fall '10
 Dr.DanielArenas
 Thermodynamics, Mass, Heat

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