5. Heat is generated steadily in a cylindrical fuel rod in a nuclear reactor according to q = max [1-()], where à is the volumetric heat generation rate in and ro is the outer kW m3 radius of the rod. Develop an equation that expresses the temperature difference between the rod center line and its surface, assuming that heat transfer only takes place in the radial direction and the thermal conductivity of the cylindrical rod is constant. Start from the Fourier equation below and simplify it. pCp ƏT a 1 a a == = 1 or (kr ³7 ) + - ²2 00 (K²00) + 3₂ (k³7) + à at az

Applications and Investigations in Earth Science (9th Edition)
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Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
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5. Heat is generated steadily in a cylindrical fuel rod in a nuclear reactor according to q =
amax [1-()], where à is the volumetric heat generation rate in and ro is the outer
kW
radius of the rod. Develop an equation that expresses the temperature difference between
the rod center line and its surface, assuming that heat transfer only takes place in the
radial direction and the thermal conductivity of the cylindrical rod is constant. Start from
the Fourier equation below and simplify it.
pCp
ƏT 10
=
at rər
1
a
kr 37) + -²2² 30 (Kor) + 2₂ (K ²7) + +q
r2
дz
Transcribed Image Text:5. Heat is generated steadily in a cylindrical fuel rod in a nuclear reactor according to q = amax [1-()], where à is the volumetric heat generation rate in and ro is the outer kW radius of the rod. Develop an equation that expresses the temperature difference between the rod center line and its surface, assuming that heat transfer only takes place in the radial direction and the thermal conductivity of the cylindrical rod is constant. Start from the Fourier equation below and simplify it. pCp ƏT 10 = at rər 1 a kr 37) + -²2² 30 (Kor) + 2₂ (K ²7) + +q r2 дz
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