ME 462/562: Sustainable Energy – an Exergy Analysis Spring 2014 Heat pumps Mechanical Engineering ME462/562 Sustainable Energy: an Exergy Analysis
Heat pump typical layout Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 2/20 an Exergy Analysis
Physical properties of R134a Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 3/20 an Exergy Analysis
An ideal refrigeration cycle condenser compressor capillary evaporator Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 4/20 an Exergy Analysis
An experimental heat pump Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 5/20 an Exergy Analysis
Operating conditions & properties x 277.4 Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 6/20 an Exergy Analysis
More conditions & properties Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 7/20 an Exergy Analysis
Operating conditions 16.9 C T ( o C) 1.3 C P (kPa) 22.8 C 230 14.0 C 15.9 C 220 16.0 C 24.9 C 1011 307 2.5 C 54.6 C (45.3 C) 16.0 C 9.1 C 13.1 C 16.9 C (16.05 C) Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 8/20 an Exergy Analysis
Exergy destruction rate vs. power 0.003 Ex. dest. Rate kW Power kW 0.338 0.010 0.408 0.024 0.014 0.001 0.389 0.070 0.070 0.021 0.017 0.036 0.031 Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 9/20 an Exergy Analysis
Product vs. fuel 0.053 0.050 product kW fuel kW 0.008 0.002 0.048 0.024 0.014 0.013 0.027 0.070 0.006 0.053 0.036 0.005 Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 10/20 an Exergy Analysis
Performance measures exergy of product exergy dest. / total exergy of product Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 11/20 an Exergy Analysis
Effjcient condensers Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 12/20 an Exergy Analysis
Effjcient compressor Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 13/20 an Exergy Analysis
Turboexpander Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 14/20 an Exergy Analysis
exergy performance vs. dead state Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 15/20 an Exergy Analysis
COP vs. delivery temperature Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 16/20 an Exergy Analysis
performance vs. load Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 17/20 an Exergy Analysis
performance vs. temperatures Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 18/20 an Exergy Analysis
exergy performance Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 19/20 an Exergy Analysis
energy & exergy fmows Mechanical Engineering ME462/562 Sustainable Energy: Heat pumps 20/20 an Exergy Analysis
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