class 21 - Internal Flow: Heat Transfer Correlations...

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Click to edit Master subtitle style 8/13/11 Internal Flow: Heat Transfer Correlations Chapter 8 Sections 8.4 through 8.6
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8/13/11 My birthday is the same as which of the following? a) Eminem b) Mother Teresa c) Zac Efron d) Leonardo Dicaprio e) My twin sister
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8/13/11 If Ts > Tm, which of the following is true? a) In the entry length, Ts – Tm is greater for constant heat flux than for constant surface temperature. b) In the entry length, Ts – Tm is greater for constant heat flux than for constant surface temperature. c) Ts – Tm is about the same in the entry region for both flows, but it changes significantly in fully developed flow for the different conditions.
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8/13/11
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8/13/11 Consider a cylinder nuclear fuel rod (length L; diameter D). Pressurized water flows through the annular region b/w the rod and the tube at a rate of m(dot), and the outer surface of the tube is well insulated. Heat generation occurs within the fuel rod, which results in a local surface heat flux given by: ( 29 = L x q x q o s π sin " Find the total heat transfer rate.
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8/13/11 ( 29 = L x q x q o s π sin "
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8/13/11 If the mass flow rate is suddenly doubled, the outlet temperature will _____________. Assume fully developed, laminar flow.
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class 21 - Internal Flow: Heat Transfer Correlations...

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