Air at 25 ° C blows over the hot steel plate whose surface temperature is maintained at 250 ° C. The plates are 50 cm x 40 cm in dimensions and 3 cm thick. The convection heat transfer coefficient on the upper surface is 30 W / (m? ° C). The thermal conductivity of steel is 45 W / (m ° C). Calculate the hourly heat loss from the plate surface. a. heat loss per hour = kJ. b. If the reverse side surface temperature is maintained, determine the hourly heat loss incurred = kJ.

Q: Steel pipe (outer diameter 100 mm) is covered with two layers of insulation. The inner layer, 40 mm…

A:

Q: 3. Calculate the heat loss per linear feet from 2 in. nominal pipe (2.376 in outside diameter)…

A: Given that, The inside diameter of the pipe d1 = 2 in The outside diameter of the pipe d2 = 2.376 in…

Q: Calculate the overall heat transfer coefficient of steel pipes based on the inner surface. The…

A: Given that, Given that, The inner diameter of the pipe Di = 12.7 cm = 0.127 m The thickness of the…

Q: Consider a 1.2-m-high and 2-m-wide glass window whose thickness is 6 mm and thermal conductivity is…

A:

Q: A cylindrical tube has inner diameter of 20 mm and outer diameter of 30 mm. Find out the rate of…

A:

Q: Calculate the natural convection heat transfer coefficient for a vertical stainless pipe, 100 mm…

A: Given, Diameter of pipe, D = 100 mm×1 m1000 mm    = 0.10 m temperature on outside surface of pipe,…

Q: Calculate the heat flow every 1.7 hours through the outside fluid film from a 16.2 m² flat vertical…

A: Given data are as follows: Area of wall = 16.2 m2. Convective heat transfer coefficient h = 7W/m2-K…

Q: Problem 5: The energy lost from a 10 cm thick slab of steel is 50 W. Assuming the temperature…

A: Thick Ness of slab t = 10 cm                                  = 0.1 mThermal conductivity k = 45 W/…

Q: = 1-D heat transfer.

A:

Q: 1. Suatu pipa 2 inch schedule 40 membawa fluida panas dilapisi isolasi setebal 2 cm. Konduktivitas…

A:

Q: A 5 cm thick steel pipe, 1.0 m long, with an internal diameter of 8 cm is covered with 4 cm thick…

A:

Q: A new concrete driveway has been cured and is subsequently being cooled by spraying 20C water on the…

A: Thermal diffusivity: In heat transfer, thermal diffusivity is defined as the thermal conductivity…

Q: Steel pipe 3 cm thick, 1.0 m long and 10 cm deep, covered with 6 cm thick insulation. The wall…

A: Given data: Thickness of steel pipe = 3 cm Length of pipe = 1 m Depth of pipe= 10 cm Thickness of…

Q: The heat transfer through a particular wall has an overall heat transfer coefficient of 225 m2 W…

A: There is a wall given with one layer of stainless steel. The following information is given…