Questions from Thermal Fluid Science


Q: Reconsider Prob. 13–51. Using appropriate software, investigate

Reconsider Prob. 13–51. Using appropriate software, investigate the effect of thrust reverser angle on the braking force exerted on the airplane. Let the reverser angle vary from 0&A...

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Q: A spacecraft cruising in space at a constant velocity of 2000 ft

A spacecraft cruising in space at a constant velocity of 2000 ft/s has a mass of 25,000 lbm. To slow down the spacecraft, a solid fuel rocket is fired, and the combustion gases leave the rocket at a c...

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Q: A 60-kg ice skater is standing on ice with ice

A 60-kg ice skater is standing on ice with ice skates (negligible friction). She is holding a flexible hose (essentially weightless) that directs a 2-cm-diameter stream of water horizontally parallel...

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Q: A 5-cm-diameter horizontal jet of water, with

A 5-cm-diameter horizontal jet of water, with velocity 30 m/s, strikes the tip of a horizontal cone, which deflects the water by 60° from its original direction. How much force is required to hold the...

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Q: Water is flowing into and discharging from a pipe U-section

Water is flowing into and discharging from a pipe U-section as shown in Fig. P13–56. At flange (1), the total absolute pressure is 200 kPa, and 55 kg/s flows into the pipe. At flange...

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Q: Indiana Jones needs to ascend a 10-m-high building

Indiana Jones needs to ascend a 10-m-high building. There is a large hose filled with pressurized water hanging down from the building top. He builds a square platform and mounts four 4-cm diameter no...

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Q: An engineering student considers using a fan as a levitation demonstration.

An engineering student considers using a fan as a levitation demonstration. She plans to face the box-enclosed fan so the air blast is directed facedown through a 2-ft-diameter blade span area. The sy...

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Q: A 7-cm-diameter vertical water jet is injected upwards

A 7-cm-diameter vertical water jet is injected upwards by a nozzle at a speed of 15 m/s. Determine the maximum weight of a flat plate that can be supported by this water jet at a height of 2 m from th...

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Q: Explain the importance of the Reynolds transport theorem in fluid mechanics,

Explain the importance of the Reynolds transport theorem in fluid mechanics, and describe how the linear momentum equation is obtained from it.

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Q: Repeat Prob. 13–59 for a height of 8 m

Repeat Prob. 13–59 for a height of 8 m from the nozzle. Data from Prob. 13-59: A 7-cm-diameter vertical water jet is injected upwards by a nozzle at a speed of 15 m/s. Determine the maximum weight of...

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