Engineering, 12.03.2020 05:03 yola32
An aluminum plate of 22.5 mm thickness (k = 235 W/m·K) is attached to a copper plate with a thickness of 10 mm. The copper plate is heated electrically to dissipate a uniform heat flux of 5300 W/m^2. The upper surface of the aluminum plate is exposed to convection heat transfer in a condition such that the convection heat transfer coefficient is 67 W/m^2·K and the surrounding room temperature is 20°C. Other surfaces of the two attached plates are insulated such that heat only dissipates through the upper surface of the aluminum plate. If the surface of the copper plate that is attached to the aluminum plate has a temperature of 100°C. Determine the thermal contact conductance at the aluminum/copper interface.
Answers: 1
Engineering, 04.07.2019 18:10, tjeffers90028
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10, Larkinlover703
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
Answers: 1
An aluminum plate of 22.5 mm thickness (k = 235 W/m·K) is attached to a copper plate with a thicknes...
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