Engineering, 05.10.2019 11:30 notashley1703

Awall 2 cm thick is to be constructed from material that has an average thermal conductivity of 1,3 w/m.°c. the wall is to be insulated with material having an average thermal conductivity of 0.35 w/m.ºc, so that the heat loss per square meter will not exceed 1830 w. assuming that the inner and outer surface temperatures of the insulated wall are 130°c and 30°c, calculate the thickness of insulation required.

Answers: 3

Show answers

Other questions on the subject: Engineering

Engineering, 04.07.2019 12:10, Ryantimes2

On a average work day more than work place firs are reorted

Answers: 1

continue

Engineering, 04.07.2019 18:10, mamasbug4285

An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0

Answers: 3

continue

Engineering, 04.07.2019 18:20, ashleyjaslin

Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.

Answers: 3

continue

Engineering, 04.07.2019 18:20, jessie8022

Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.

Answers: 2

continue

You know the right answer?

Awall 2 cm thick is to be constructed from material that has an average thermal conductivity of 1,3...