Engineering, 21.10.2020 01:01, dommalb
Hot combustion gases of a furnace are flowing througha concrete chimney (k =1.4 W/m · °C) of rectangular cross section. The flow section of the chimney is 20 cm ×40 cm, and the thickness of the wall is 10 cm. The average temperatureof the hot gases in the chimney is Ti=280°C, and the averageconvection heat transfer coefficient inside the chimney is hi=75 W/m2· °C. The chimney is losing heat from its outer surfaceto the ambient air at To=15°C by convection with a
Answers: 2
Engineering, 04.07.2019 18:10, hadellolo8839
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
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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
Hot combustion gases of a furnace are flowing througha concrete chimney (k =1.4 W/m · °C) of rectang...
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