Homework 2-Solutions

# Homework 2-Solutions - rovided in the table. Inlet Outlet...

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(G The names of all group me be written on the FRONT Due 9-22-2010 in Problem 1 A pump running at 3500 RPM pumps wa U 1 . Water leaves the rotor at 5 m/sec, re requires 5 kW to operate, and is 67% ef a. Draw the velocity triangles for the ent b. Calculate the rotor exit diameter, D an Homework 2 ROUP Assignment) embers who participated in the as T page of the homework assignm credit. n class at the beginning of l ater at a flow rate of 0.01 m 3 /sec. The water en elative to the blades (V R2 = 5 m/s), in the radial d fficient. trance and exit conditions. nd width, W. The density of water is equal to 10 ssignment must ent to receive lecture. nters axially, e.g. V 1 direction. If the pump 000 kg/m 3 .

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Problem 2 The dimensions of a radial pump are pro

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Unformatted text preview: rovided in the table. Inlet Outlet Radius, mm Width, mm Blade angle, degrees The pump handles water and is driven a a. Draw the velocity triangles for the ent b. Calculate the increase in head. c. Calculate the power input if the flow r 175 500 50 30 65 70 at 750 RPM. trance and exit conditions. rate is 0.75 m 3 /sec. Problem 3 Velocity components are given for a inner radius = 150 mm, Q = 2 m 3 /sec a. Construct the velocity triangles. b. Determine the torque. c. Determine the power. d. Determine the change in head e. Determine the reaction. f. Is this a turbine or pump? turbo machine in Figure 1, wherein the oute c, ρ = 1000 kg/m 3 , and ω = 25 rad/sec. Figure 1 ter radius = 300 mm,...
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## This note was uploaded on 02/08/2011 for the course ME 650:474 taught by Professor Cook during the Spring '11 term at Rutgers.

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Homework 2-Solutions - rovided in the table. Inlet Outlet...

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