Fluid Mechanics Fundamentals And Applications
3rd Edition
ISBN: 9780073380322
Author: Yunus Cengel, John Cimbala
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 6, Problem 87P
To determine
The maximum weight of the plate.
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Why when you observe at the inlet, the flow is almost uniform from radially pipe wall to center?
6-22 A 90° elbaw is used to direct water flow at a rate of
25 kgis in a horizontal pipe upward. The diameter of the
entire elbow is 10 cm. The elbow discharges water into the
atmosphere, and thus the pressure at the exit is the local
atmospheric pressure. The elevation difference between the
centers of the exit and the inlet of the elbow is 35 cm. The
weight of the elbow and the water in it is considered to be
negligible. Determine (a) the gage pressure at the center of
the inlet of the elbow and (b) the anchoring force needed to
hold the elbow in place. Take the momentum-flux correction
factor to be 1.03.
35 cm
Water
25 kg/s
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Chapter 6 Solutions
Fluid Mechanics Fundamentals And Applications
Ch. 6 - Express Newton’s first, second, and third laws.Ch. 6 - Express Newton’s second law of motion for rotating...Ch. 6 - Is momentum a vector? If so, in what direction...Ch. 6 - Express the conservation of momentum principle....Ch. 6 - Two firefighters are fighting a fire with...Ch. 6 - How do surface forces arise in the momentum...Ch. 6 - Explain the importance of the Reynolds transport...Ch. 6 - What is the importance of the momentum-flux...Ch. 6 - Write the momentum equation for steady...Ch. 6 - In the application of the momentum equation,...
Ch. 6 - A rocket in space (no friction or resistance to...Ch. 6 - Describe in terms of momentum and airflow how a...Ch. 6 - Does it take more, equal, or less power for a...Ch. 6 - In a given location, would a helicopter require...Ch. 6 - A horizontal water jet from a nozzle of constant...Ch. 6 - Describe body forces and surface forces, and...Ch. 6 - A constant-velocity horizontal water jet from a...Ch. 6 - A horizontal water jet of constant velocity V from...Ch. 6 - Water enters a 10-cm-diameter pipe steadily with a...Ch. 6 - A 2.5-cm-diameter horizontal water jet with a...Ch. 6 - A horizontal water jet of constant velocity V...Ch. 6 - A 90 elbow in a horizontal pipe is used to direct...Ch. 6 - Repeat Prob. 6-20 for the case of another...Ch. 6 - A horizontal water jet impinges against a vertical...Ch. 6 - A reducing elbow in a horizontal pipe is used to...Ch. 6 - Repeat Prob. 6-24 for the case of = 125°.Ch. 6 - Reconsider Prob. 627. If the mass of the cart is...Ch. 6 - A 100-ft3/s water jet is moving in the positive...Ch. 6 - Reconsider Prob. 6-26E. Using appropriate...Ch. 6 - A horizontal 5-cm-diameter water jet with a...Ch. 6 - A fan with 24-in-diameter blades moves 2000 cfm...Ch. 6 - A 3-in-diameter horizontal jet of water, with...Ch. 6 - Firefighters are holding a nozzle at the end of a...Ch. 6 - A 5-cm-diameter horizontal jet of water with a...Ch. 6 - A 3-in-diameter horizontal water jet having a...Ch. 6 - An unloaded helicopter of mass 12,000 kg hovers at...Ch. 6 - Water is flowing through a 10-cm-diameter water...Ch. 6 - The weight of a water tank open to the atmosphere...Ch. 6 - Commercially available large wind turbines have...Ch. 6 - Water enters a centrifugal pump axially at...Ch. 6 - An incompressible fluid of density and viscosity ...Ch. 6 - Consider the curved duct of Prob. 6-41, except...Ch. 6 - As a follow-up to Prob. 6-41, it turns out that...Ch. 6 - An incompressible fluid of density and viscosity ...Ch. 6 - Water of density =998.2kg/m3 flows through a...Ch. 6 - Water flowing in a horizontal 25-cm-diameter pipe...Ch. 6 - A sluice gate, which controls flow rate in a...Ch. 6 - How is the angular momentum equation obtained from...Ch. 6 - Prob. 52CPCh. 6 - Prob. 53CPCh. 6 - Prob. 54CPCh. 6 - Water is flowing through a 15-cm-diameter pipe...Ch. 6 - A large lawn sprinkler with two identical arms is...Ch. 6 - Prob. 57EPCh. 6 - Prob. 58PCh. 6 - The impeller of a centrifugal blower has a radius...Ch. 6 - Prob. 60PCh. 6 - Repeat Prob. 6-56 for a water flow rate of 60 L/s.Ch. 6 - Prob. 62PCh. 6 - Water enters the impeller of a centrifugal pump...Ch. 6 - A lawn sprinkler with three identical antis is...Ch. 6 - Prob. 66PCh. 6 - Water flowing steadily at a rate of 0.16 m3/s is...Ch. 6 - Repeat Prob. 6-66 by taking into consideration the...Ch. 6 - Prob. 70PCh. 6 - Water enters vertically and steadily at a rate of...Ch. 6 - Repeal Prob. 6-69 for the case of unequal anus-the...Ch. 6 - Prob. 73PCh. 6 - Prob. 74PCh. 6 - Prob. 75PCh. 6 - Prob. 76PCh. 6 - A spacecraft cruising in space at a constant...Ch. 6 - A 60-kg ice skater is standing on ice with ice...Ch. 6 - Prob. 80PCh. 6 - Water is flowing into and discharging from a pipe...Ch. 6 - Indiana Jones needs So ascend a 10-m-high...Ch. 6 - Prob. 83EPCh. 6 - Prob. 84PCh. 6 - A walnut with a mass of 50 g requires a force of...Ch. 6 - Prob. 86PCh. 6 - Prob. 87PCh. 6 - Show that the force exerted by a liquid jet on a...Ch. 6 - Prob. 89PCh. 6 - Prob. 90PCh. 6 - Prob. 91PCh. 6 - Water enters a two-armed lawn sprinkler along the...Ch. 6 - Prob. 94PCh. 6 - Prob. 95PCh. 6 - Prob. 96PCh. 6 - Water flows steadily through a splitter as shown...Ch. 6 - Prob. 98PCh. 6 - Prob. 99PCh. 6 - Consider water flow through a horizontal, short...Ch. 6 - Consider water flow through a horizontal. short...Ch. 6 - Prob. 103PCh. 6 - Prob. 104PCh. 6 - Prob. 105PCh. 6 - Prob. 106PCh. 6 - The velocity of wind at a wind turbine is measured...Ch. 6 - The ve1ocity of wind at a wind turbine is measured...Ch. 6 - Prob. 109PCh. 6 - Prob. 110PCh. 6 - Prob. 111PCh. 6 - Prob. 112PCh. 6 - Consider the impeller of a centrifugal pump with a...Ch. 6 - Prob. 114P
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- The jet engine on a test stand, shown in the figure, admitsair at 20oC and 1 atm at section 1, where the area is 0.5 m2and the velocity is 250 m/s. The fuel-to-air ratio is 1:30.The air leaves at section 2 at atmospheric pressure and ahigher temperature. The exit velocity is 900 m/s and thearea is 0.4 m2. Compute the horizontal test stand reactionRx needed to hold the engine fixed.arrow_forwardThe inseminator in Fig. 8-8 contains fluid of s.g.=0.26. If the plunger is pushed in steadily at 19 in/s, what is exit velocity V2 in ft/s? Assume no leakage past the plunger.arrow_forwardPlease help with this problem. Will surely upvote after. Thanksarrow_forward
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