Consider the following statements:
The Fourier heat conduction equation presumes
1. Steady state conditions
2. Constant value of thermal conductivity
3. Uniform temperature at the wait surfaces
4. One - dimensional heat flow.
Which of these statements are correct?
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The heat conducted through a wall of thickness δ is given by
Which amongst the following is not valid pertaining to above equation?
One end of iron rod of cross-sectional area A and length L is kept in a steambath. After same time steady state conditions prevail and Q unit of heat per second passes through any cross- section of the rod. The heat flow rate will be adversely affected if
Match the List-1 (Coordinate system) with ListII (Steady state governing equation) the following:
Temperature distribution in a cylindrical rod with heat generation is given by
The Fourier law of heat conduction is valid for
Fourier law of heat conduction is given by
where
I = thickness of the slab
dT = temperature difference
In this term l/kA is given by
Heat transfer by conduction through hollow cylinder is given by
Heat transfer by conduction through sphere is given by