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Water at 20°C flows steadily through a reducing pipe bend as in Fig Known conditions are p1 = 350 kPa, D1 = 25 cm, V1 = 2.2 m/s, p2 = 120 kPa
Water at 20°C flows past a half body as shown in Fig. Measured pressures at points A and B are 160 kPa and 90 kPa, respectively, with uncertainties of 3 kPa
Vortex shedding can be used to design a vortex flow meter. A blunt rod stretched across the pipe sheds vortices whose frequency is read by the sensor
Water at 20°C exits to the standard sea-level atmosphere through the split nozzle in Fig. Duct areas are A1 = 0.02 m2 and A2 = A3 = 0.008 m2
Water at 20°C flows at 30 gal/min through the 0.75-in-diameter double pipe bend of Fig the pressures are p1 = 30 lbf/in2 and p2 = 24 lbf/in2.
Water at 20°C flows in a long horizontal commercial-steel 6-cm-diameter pipe which contains a classical Herschel venturi with a 4-cm throat
Water at 20°C flows for 1 mi through a 3-in-diameter horizontal wrought-iron pipe at 250 gal/min. Estimate the head loss and the pressure drop
Water at 20°C flows in a 9-cm-diameter pipe under fully developed conditions. The centerline velocity is 10 m/s. Compute
Water at 20°C (? = 998 kg/m3) flows through an inclined 8-cm-diameter pipe. At sections A and B, pA = 186 kPa, VA = 3.2 m/s, zA = 24.5 m
Three pipes steadily deliver water at 20°C to a large exit pipe in Fig. The velocity V2 = 5 m/s, and the exit flow rate Q4 = 120 m3/h. Find
Two water tanks, each with base area of 1 ft2, are connected by a 0.5-in diameter long-radius nozzle as in Fig.
Three cast-iron pipes are laid in parallel with these dimensions: Pipe 1: L1 = 800 m d1 = 12 cm
Turbines are to be installed where the net head is 400 ft and the flow rate is 250,000 gal/min. Discuss the type, number, and size of turbine
Under laminar conditions, the volume flow Q through a small triangular-section pore of side length b and length L is a function of viscosity µ, pressure
Use the method of images to approximate the flow past a cylinder at distance 4a from the wall, as in Fig.
Uniform water flow in a wide brick channel of slope 0.02° moves over a 10-cm bump as in Fig a slight depression in the water surface results
Use the method of images to construct the flow pattern for a source +m near two walls, as in Fig. Sketch the velocity distribution along the lower wall
Using the geometry of Fig. prove that the most efficient circular open channel (maximum hydraulic radius for a given flow area) is a semicircle.
The vertical gate in a water channel is partially open, as in Fig. Assuming no change in water level and a hydrostatic pressure distribution
The uniform 5-m-long wooden rod in the figure is tied to the bottom by a string. Determine
The Tupperware dam on the Blackstone River is 12 ft high, 100 ft wide, and sharp-edged. It creates a backwater similar to Fig
The trapezoidal channel of Fig is made of brickwork and slopes at 1:500. Determine the flow rate if the normal depth is 80 cm.
The U-tube at right has a 1-cm ID and contains mercury as shown. If 20 cm3 of water is poured into the right-hand leg, what will be the free surface height
The ultralight plane Gossamer Condor in 1977 was the first to complete the Kremer Prize figure-eight course solely under human power
The volume flow Q over a dam is proportional to dam width B and also varies with gravity g and excess water height H upstream, as shown in Fig.