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Two convex objects are inside a large vacuum enclo- sure whose walls are maintained at T3 = 300 K. The objects have the same area, 0.2 m2, and the same emis- sivity, 0.2. The view factor from object 1 to object 2 is F12 = 0.3. Embedded in object 2 is a heater that generates 400 W. The temperature of object 1 is maintained at T1 = 200 K by circulating a fluid through channels machined into it.
At what rate must heat be supplied (or removed) by the fluid to maintain the desired temperature of object 1? What is the temperature of object 2?
1. In a power plant the output of the generator is at 15,000V and power isdelivered to the grid at 115,000V give a possible configuration of the transformerloops on the input and output sides of the transformer.2. A 1 meter long wire is suspended in ..
Discussion of various cycles attempted to meet the goal as well as the positive and negative aspects of your design.
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