RM{\;}}{\left( {\frac{L}{D}} \right)^{0.25}}\) hh = heat transfer COEFFICIENT when horizontalhv = heat transfer coefficient when verticalL = length of pipeD = diameter of the pipeCalculation:GIVEN, hh = N hv, L = 10 m, D = 0.1 mUsing the above RELATION,hh = 0.77 × 1000.25 × hv = 2.4349 hv∴ n = 2.44

"> RM{\;}}{\left( {\frac{L}{D}} \right)^{0.25}}\) hh = heat transfer COEFFICIENT when horizontalhv = heat transfer coefficient when verticalL = length of pipeD = diameter of the pipeCalculation:GIVEN, hh = N hv, L = 10 m, D = 0.1 mUsing the above RELATION,hh = 0.77 × 1000.25 × hv = 2.4349 hv∴ n = 2.44

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A pipe of 10 cm diameter and 10 m length is used for condensing steam on its outer surface. The average heat transfer coefficient hh (when the pipe is horizontal) is n times the average heat transfer coefficient hv (when the pipe is vertical). The value of n is:

Heat Transfer Types Convection in Heat Transfer 11 months ago

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Concept:\(\frac{{{h_h}}}{{{h_v}}} = 0.77 \times {\RM{\;}}{\left( {\frac{L}{D}} \right)^{0.25}}\) hh = heat transfer COEFFICIENT when horizontalhv = heat transfer coefficient when verticalL = length of pipeD = diameter of the pipeCalculation:GIVEN, hh = N hv, L = 10 m, D = 0.1 mUsing the above RELATION,hh = 0.77 × 1000.25 × hv = 2.4349 hv∴ n = 2.44

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Posted on 04 Nov 2024, this text provides information on Heat Transfer related to Types Convection in Heat Transfer. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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