Engineering, 30.04.2021 20:20 manlyman31
Consider a cubic furnace that is 0.2m long on each side. The two ends have diffuse, black surfaces that are maintained at 500 K (bottom surface) and 600 K (top surface). The side surfaces are also diffuse and black and at a temperature of 800 K. Set up the radiation network with 3 surfaces (surface 1-Bottom; surface 2-Top; surface 3-side surfaces and answer the following questions:
Required:
What is the net heat transfer from the top surface (surface 2) to other surfaces?
Answers: 2
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
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Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
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Wiy doeres rere okhn a pump whon working betwon the same pressure range?
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Consider a cubic furnace that is 0.2m long on each side. The two ends have diffuse, black surfaces t...
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