Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
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.
The velocity field near a stagnation point may be written in the form
The wall shear stress tw for flow in a narrow annular gap between a fixed and a rotating cylinder is a function of density ?, viscosity µ, angular velocity O
The water jet in Fig strikes normal to a fixed plate. Neglect gravity and friction, and compute the force F in newtons required to hold the plate fixed.
The water pipe in Fig. 6.106 slopes upward at 30°. The pipe is 1-inch diameter and smooth. The flanged globe valve is fully open
The water tank in Fig stands on a frictionless cart and feeds a jet of diameter 4 cm and velocity 8 m/s, which is deflected 60° by a vane
The waterwheel in Fig lifts water with 1-ft-diameter half-cylinder blades. The wheel rotates at 10 r/min, what is the water surface angle ? at pt A?
The waterwheel in Fig is being driven at 200 r/min by a 150-ft/s jet of water at 20°C. The jet diameter is 2.5 in.
The wide channel flow in Fig changes from a steep slope to one even steeper. Beginning at points a and b, sketch and label the water surface profiles