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Workshop on Fluid Machinery
1. A horizontally mounted centrifugal pump has a discharge of approximately 490 litres per second. What would be the expected diameter of the outlet?
2. Using the Darcy-Weisbach formula for headloss in a pipeline show how the fittings in a pipe-work can be expressed as an equivalent pipe length?
3. Determine the total system head for the pipe configuration below (Figure 1) when the rate of flow is 20 L/s and the total static head on the pump is 100 m. A pump takes water from a sump and delivers it through 380 m of 100 mm internal diameter pipe. The suction pipe is 100 mm vertical, 1.5m long and includes a hinged disc foot valve and a standard 90 degree flanged elbow. The discharge line includes two standard 90 degree flanged elbows, a flanged swing check valve and an open gate valve. The pipe friction loss is 50 m/1000 m.
SUCTION
Standard 90 degree flanged elbow K = 0.51Hinged disc foot valve K = 1.28
DELIVERYStandard 90 degree flanged elbow K = 0.51Flanged swing check valve K= 0.85Gate valve K = 0.14Sudden enlargement at exit K = 1.00
4. Carefully draw and label the hydraulic grade line?
saturated water vapor at 200 kpa is in a constant pressure piston cylinder. at this state the piston is 0.1 m from the
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a shock absorber is to be designed to limit its overshoot to 15 percent of its initial displacement when released. find
Steam at 75kPa and 13 percent quality is contained in a spring loaded piston-cylinder device with an initial volume of 3.90m^3. Steam is now heated until its volume is 9.75m^3 and its pressure is 300kPa. Determine the heat transferred to and the word..
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Calculate the damping constant and the amplitude of the force on the base.
A vertical plate of length L = 2m (in the vertical direction), width w = 1m (in the horizontal direction) and temperature T = 300K is in free convection with air at T\infty = 320K. Find the total heat transfer from both sides of the plate
A two-dimensional compressor cascade is tested in air with an inlet stagnation pressure of 1 bar and an inlet stagnation temperature of 300 K. For an inlet Mach number of 0.75 and an inlet flow angle of 50o, the exit flow angle is measured as 15.8..
the thermal conductivity parallel to continuous reinforcing fibers in a composite with e-glass in a matrix of polyester
a football player releases a ball with an initial velocity 80 fts at an angle 35 degrees above the horizontal.
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