Recent questions tagged turbines

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Find (i) the diameter of the jet , (ii) the flow rate and (iii) the force exerted by a jet on the buckets.

asked Nov 5, 2017 in FM by chandu (215k points)

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Show that the maximum efficiency for a jet striking

asked Nov 5, 2017 in FM by chandu (215k points)

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The maximum efficiency occurs when the turbine bucket moves at half the jet speed.

asked Nov 5, 2017 in FM by chandu (215k points)

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What do you mean by cavitation phenomena associated with hydraulic turbo machines?

asked Nov 5, 2017 in FM by chandu (215k points)

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calculate speed of the wheel for a frequency of 50 hertz/sec.

asked Nov 5, 2017 in FM by chandu (215k points)

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In a reaction turbine with radial vanes at inlet, the velocity of flow at outlet is ‘K’ times that at inlet. Prove that

asked Nov 5, 2017 in FM by chandu (215k points)

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what would be the maximum efficiency for semi-circular vanes when K = 1.

asked Nov 5, 2017 in FM by chandu (215k points)

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what speed should it run?

asked Nov 5, 2017 in FM by chandu (215k points)

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Determine the blade and hydraulic efficiencies. Neglect frictional losses.

asked Nov 5, 2017 in FM by chandu (215k points)

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Where K is the friction factor. Mention the criteria for selecting water turbines for hydel power plant.

asked Nov 5, 2017 in FM by chandu (215k points)

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Assuming flow velocity constant, calculate guide vane angle at inlet and runner vane angle at inlet and out let.

asked Nov 5, 2017 in FM by chandu (215k points)

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Obtain an expression for the specific speed of a hydraulic turbine and explain its significance.

asked Nov 5, 2017 in FM by chandu (215k points)

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What is the specific speed of the turbine?

asked Nov 5, 2017 in FM by chandu (215k points)

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Calculate the diameter and width of the runner at inlet. Blade thickness coefficient is 5%.

asked Nov 5, 2017 in FM by chandu (215k points)

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The velocity of the wheel at the pitch radius.

asked Nov 5, 2017 in FM by chandu (215k points)

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Determine (i) diameters at inlet and outlet, (ii) width of wheel at inlet and outlet,

asked Nov 5, 2017 in FM by chandu (215k points)

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Determine the mass flow rate of steam through the turbine. Assume that all stages develop equal power.

asked Nov 1, 2017 in Thermal by chandu (215k points)

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