An inward-flow radial turbine (see Fig. P12.48) involves a nozzle angle, (alpha_{1}), of (60^{circ}) and an inlet

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An inward-flow radial turbine (see Fig. P12.48) involves a nozzle angle, \(\alpha_{1}\), of \(60^{\circ}\) and an inlet rotor tip speed, \(U_{1}\), of \(3 \mathrm{~m} / \mathrm{s}\). The ratio of rotor inlet to outlet diameters is 2.0. The absolute velocity leaving the rotor at section (2) is radial with a magnitude of \(6 \mathrm{~m} / \mathrm{s}\). Determine the energy transfer per unit mass of fluid flowing through this turbine if the fluid is

(a) air,

(b) water.

Figure P12.45

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Munson Young And Okiishi's Fundamentals Of Fluid Mechanics

ISBN: 9781119080701

8th Edition

Authors: Philip M. Gerhart, Andrew L. Gerhart, John I. Hochstein

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