Can anyone explain Fourier law of heat conduction?

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Anju Battula

Govt employee, and having a 10 years of experience as a home tutor

its a mathematical expression for deriving the heat conduction equation, in a matter.
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Fourier law states that heat transfer by conduction is directly proportional to temperature difference and area of heat transfer parallel to direction of heat flow i.e. dQ = -KAdT. Here K represent the thermal conductivity of body, A is the area and dT is the temp. difference. Negative sign show the...
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Fourier law states that heat transfer by conduction is directly proportional to temperature difference and area of heat transfer parallel to direction of heat flow i.e. dQ = -KAdT. Here K represent the thermal conductivity of body, A is the area and dT is the temp. difference. Negative sign show the heat transfer toward lower temp. body. read less
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Govt employee, and having a 10 years of experience as a home tutor

fourier's law of conduction-it states that the rate of heat transfer by conduction along a given direction is directly proportional to temparature gradient along the direction and also directly proportional to the area of heat transfer perpendicular to the direction of heat transfer
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