The heat transfer across a 5” wall of firebrick is 500 W/m2. If the surface temperature on cold side is 30oC and thermal conductivity of brick is 0.7 Btu/hr-ft-oF, find the temperature on hot side.

Q: Q3. What is the analogical reason between heat transfer by conduction and flow of electricity…

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Q: A wall without heat generation is 0.5 m thick and is maintained on one side at T = 30°C, while the…

A: Data given- t= 0.5 m T1= 30°C q= 1200 W/m2

Q: The side of a home can be modeled as a plane wall. The wall is 12 centimeters thick. If the outdoor…

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Q: 8. Consider an iron bar, of diameter 4cm and length 1m, with specific heat c = 0.437J/(g K), density…

A: The diameter of bar is d=4 cm. The length of the bar is L=1 m. The specific heat of bar is Cp=0.437…

Q: find only the following What is the total heat transfer to/from the building?

A: Given: Area of the roof→Ar=8×12=96 m2 Area of east wall and west wall→Ae=Aw=4×8=32 m2 Area of the…

Q: The steady-state temperature distribution in a one-dimensional wall of thermal conductivity k=83…

A: Given:Thermal conductivity of the wall, k=83 W/m.oCThickness of the wall, L=300 mm=0.3 mTemperature…

Q: b) A steel pipe with heat transfer coefficient of 42 W/mK contains flowing water. The outer diameter…

A: A steel pipeheat transfer coefficient K = 42 W/mK Outer diameter of the pipe Do = 90 mmFor r1Di =…

Q: A spherical interplanetary probe of 0.5 m diameter contains electronics that dissipate 150 W. If the…

A: Given DataD=0.5mε=0.8E=150W

Q: Q2/ A thermopane window consists of two pieces of glass 7 mm thick that enelose an air space 7 mm…

A: T∞i=20°C, hi=10 Wm2KL=L1=L2=L3=.007 mA=.8×.5=.4 m2Kg=1.4 WmK and Kair=.0245 Wm Kh0=80 Wm2K,T∞0=-10°C…

Q: A large 100-mm thick steel plate is initially at uniform temperature T = 180°C at time t = 0. Both…

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Q: Let's say a 3.0 gram copper wafer is dropped from a height of 50.0 meters. If 60% of the potential…

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Q: "In the steady conduction process, the heat transfer process occurs due to a temperature difference.…

A: I will describe you three method by which you can reduce the heat transfer in gas pipe : 1.…

Q: Q2/ A thermopane window consists of two pieces of glass 7 mm thick that enclose an air space 7 mm…

A: Given Data: Length of the glass and air space, L=7 mm=0.007 m Temperature of air inside the room,…

Q: A solid cylinder of radius R and length L is made from material with thermal conductivity 2. Heat is…

A: The heat transfer rate along the axis negligible. Thus, the heat transfer is along radial direction…

Q: 8. The wall of a cold storage room is composed of brick, concrete and cork insulation with thickness…

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Q: For your company you need to mass produce 20-cmx10-cm heat sinks to dissipate heat quickly from an…

A: Given data, Dimension of the base/sink = 0.2 m×0.1 m Convective heat transfer coefficient of the…

Conduction and Convection

When energy travels from one object to another it is said to have undergone heat transfer. Heat transfer is nothing but the transfer of thermal energy or internal energy from one thing to another, like e.g., when a vessel with water, kept on top of a burner, heats up because of the flame underneath it.