Physics, 18.10.2019 11:30 bbombard21
Calculate the heat flux (in w/m^2) through a sheet of a metal 14 mm thick if the temperatures at the two faces are 350 and 140°c. assume steady-state heat flow and that the thermal conductivity of this metal is 52.4 w/m-k. (b) what is the heat loss per hour (in j/h) if the area of the sheet is 0.42 m2? (c) what will be the heat loss per hour (in j/h) if a material with a thermal conductivity of 1.8 w/m-k is used? (d) calculate the heat loss per hour (in j/h) if the first metal is used and the thickness is increased to 24 mm.
Answers: 1
Physics, 22.06.2019 16:30, makenahbriana
In a heat engine if 1000 j of heat enters the system and the piston does 500j of work, what is the final internal energy of the system if the inital energy was 2000 j1.write the equation2.list out your known variables 3. plug the numbers into the equations4.solve 5.write your solution statement that includes initial energy and final energy added.
Answers: 3
Calculate the heat flux (in w/m^2) through a sheet of a metal 14 mm thick if the temperatures at the...
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