Recent questions tagged convection

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Calculate the rate of heat gain by the refrigerator surface.

asked Nov 6, 2017 in HT by chandu (215k points)

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What is the type of flow at these two sections?

asked Nov 6, 2017 in HT by chandu (215k points)

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Calculate the mean heat transfer coefficient.

asked Nov 6, 2017 in HT by chandu (215k points)

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Biot Number -How does it differ from Nusselt number?

asked Nov 6, 2017 in HT by chandu (215k points)

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Explain Reynolds analogy and derive the expression to evaluate the heat-transfer coefficient using it

asked Nov 6, 2017 in HT by chandu (215k points)

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Estimate the coefficient of heat transfer from a vertical plate

asked Nov 6, 2017 in HT by chandu (215k points)

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Find the temperature rise of brine per metre length of pipe if the velocity is doubled and same heat transfer

asked Nov 6, 2017 in HT by chandu (215k points)

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The case of a linear velocity profile in the boundary layer.

asked Nov 6, 2017 in HT by chandu (215k points)

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Consider the boundary layer on the four walls to be turbulent and the heat transfer only from the four surfaces.

asked Nov 6, 2017 in HT by chandu (215k points)

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Estimate the amount of heat to be supplied by the electrical heater.

asked Nov 6, 2017 in HT by chandu (215k points)

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Calculate the average heat transfer coefficient if the tube surface

asked Nov 6, 2017 in HT by chandu (215k points)

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Calculate the heat loss from the wing if the flow is made parallel to the width of the wing.

asked Nov 6, 2017 in HT by chandu (215k points)

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Assume heat transfer coefficient to be constant and neglect conduction thermal resistance of copper.

asked Nov 6, 2017 in HT by chandu (215k points)

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How much would the bulk temperature increase over a 3m length of the tube?

asked Nov 6, 2017 in HT by chandu (215k points)

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Discuss the physical significance of each term

asked Nov 6, 2017 in HT by chandu (215k points)

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Calculate the length of the tube required and the pumping power.

asked Nov 6, 2017 in HT by chandu (215k points)

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Estimate the local heat transfer coefficient at this point.

asked Nov 6, 2017 in HT by chandu (215k points)

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Calculate (a) the average heat transfer coefficient (b) the rate of heat transfer between the plate and the gas

asked Nov 6, 2017 in HT by chandu (215k points)

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Assume the following properties of oil at mean temperatures

asked Nov 6, 2017 in HT by chandu (215k points)

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Obtain an expression for the average heat transfer coefficient for a fluid condensing over a vertical plate

asked Nov 6, 2017 in HT by chandu (215k points)

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