Fluid Mechanics (2nd Edition)
2nd Edition
ISBN: 9780134649290
Author: Russell C. Hibbeler
Publisher: PEARSON
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Chapter 4, Problem 71P
To determine
The rate at which the level in the tank is descending.
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You are asked to design a unit to condense ammonia. The required condensation rate is 0.09kg/s. Saturated ammonia at 30 o C is passed over a vertical plate (10 cm high and 25 cm wide).The properties of ammonia at the saturation temperature of 30°C are hfg = 1144 ́10^3 J/kg andrv = 9.055 kg/m 3 . Use the properties of liquid ammonia at the film temperature of 20°C (Ts =10 o C):Pr = 1.463
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kl=0.4927 W/m CCalculate the surface temperature required to achieve the desired condensation rate of 0.09 kg/s( should be 688 degrees C) a) Show that if you use a bigger vertical plate (2.5 m-wide and 0.8 m-height), the requiredsurface temperature would be now 20 o C. You may use all the properties given as an initialguess. No need to iterate to correct for Tf. b) What if you still want to use small plates because of the space constrains? One way to getaround this problem is to use small…
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Chapter 4 Solutions
Fluid Mechanics (2nd Edition)
Ch. 4 - Prob. 1FPCh. 4 - Air flows through the triangular duct at 0.7 kg/s...Ch. 4 - Water has an average velocity of 8 m/s through the...Ch. 4 - Crude oil flows through the pipe at 0.02 m3/s. If...Ch. 4 - Determine the mass flow of air having a...Ch. 4 - Prob. 6FPCh. 4 - The velocity of the steady flow at A and B is...Ch. 4 - Prob. 8FPCh. 4 - As air exits the tank at 0.05 kg/s, it is mixed...Ch. 4 - Water flows along the triangular channel having...
Ch. 4 - Determine the mass flow of nitrogen in an...Ch. 4 - Nitrogen gas flows through the 8-in.-diameter...Ch. 4 - Air enters the turbine of a jet engine at a rate...Ch. 4 - Determine the mass flow of air in the duct if it...Ch. 4 - Prob. 6PCh. 4 - Prob. 7PCh. 4 - Prob. 8PCh. 4 - The velocity profile of a liquid flowing through...Ch. 4 - Prob. 10PCh. 4 - Prob. 11PCh. 4 - Determine the mass flow of the fluid if it has the...Ch. 4 - The liquid in the rectangular channel has a...Ch. 4 - The liquid in the rectangular channel has a...Ch. 4 - Water flows along the semicircular trough with an...Ch. 4 - The 30-mm-diameter nozzle ejects water such that...Ch. 4 - Determine the volumetric flow through the...Ch. 4 - Determine the volumetric flow through the...Ch. 4 - The human heart has an average discharge of...Ch. 4 - Prob. 20PCh. 4 - Prob. 21PCh. 4 - Kerosene flows through the nozzle at 0.25 m3/s....Ch. 4 -
Kerosene flows through the nozzle at 0.25 m3/s....Ch. 4 - At two specific instants during a heartbeat, the...Ch. 4 - Prob. 25PCh. 4 - The radius of the circular duct varies as m,...Ch. 4 - Prob. 27PCh. 4 - Prob. 28PCh. 4 - The average velocities of water flowing steadily...Ch. 4 - Air flows through the tapered duct, and during...Ch. 4 - Prob. 31PCh. 4 - Air is pumped into the tank, and at the instant...Ch. 4 - Prob. 33PCh. 4 - Prob. 34PCh. 4 - Compressed air is being released from the tank,...Ch. 4 - Prob. 36PCh. 4 - Prob. 38PCh. 4 - Water flows through the pipe at A at 60 kg/s, and...Ch. 4 - Prob. 40PCh. 4 - Prob. 41PCh. 4 - Nitrogen flows into the tank at A at VA = 3 m/s,...Ch. 4 - Nitrogen flows into the tank at A at VA = 3 m/s,...Ch. 4 - The flat strip is sprayed with paint using the six...Ch. 4 - Prob. 45PCh. 4 - Prob. 46PCh. 4 - Drilling fluid is pumped down through the center...Ch. 4 - Drilling fluid is pumped down through the center...Ch. 4 - Oil flows into the pipe at A with an average...Ch. 4 - The unsteady flow of glycerin is such that at A it...Ch. 4 - The unsteady flow of glycerin is such that at A it...Ch. 4 - Prob. 52PCh. 4 - Prob. 53PCh. 4 - The cylindrical plunger traveling at Vp =...Ch. 4 - The cylindrical plunger traveling at Vp =...Ch. 4 - Prob. 56PCh. 4 - The pressure vessel of a nuclear reactor is filled...Ch. 4 - With every breath, air enters the trachea, its...Ch. 4 - A liquid flows through the drainpipe such that it...Ch. 4 - Oil flows into a mixing tank through pipe A with...Ch. 4 - Oil flows into the mixing tank through pipe A at...Ch. 4 - Water flows into the tank through two pipes. At A...Ch. 4 - Gasoline flows into the tank through two pipes. At...Ch. 4 - Prob. 64PCh. 4 - The cylindrical syringe is actuated by applying a...Ch. 4 - Prob. 66PCh. 4 - The tank contains air at a temperature of 20°C and...Ch. 4 - The natural gas (methane) and crude oil mixture...Ch. 4 - Prob. 69PCh. 4 - Prob. 70PCh. 4 - Prob. 71PCh. 4 - Prob. 72PCh. 4 - Prob. 73PCh. 4 - Prob. 74PCh. 4 - Kerosene flows into the 4-ft-diameter cylindrical...Ch. 4 - Prob. 76PCh. 4 - Water flows into the cylindrical tank through...Ch. 4 - Water flows into the cylindrical tank through...Ch. 4 - The cylinder is pushed down into the tube at a...Ch. 4 - Prob. 80PCh. 4 - Prob. 81PCh. 4 - Prob. 82PCh. 4 - Prob. 83PCh. 4 - Prob. 84PCh. 4 - Oil flows into the trapezoidal container at a...Ch. 4 - Oil flows into the conical frustum at a constant...Ch. 4 - Water in the triangular trough is at a depth of y...Ch. 4 - Prob. 88PCh. 4 - Prob. 89PCh. 4 - Prob. 90PCh. 4 - Prob. 91PCh. 4 - Hydrogen is pumped into the closed cylindrical...Ch. 4 - Hydrogen is pumped into the closed cylindrical...Ch. 4 - Prob. 94PCh. 4 - A part is manufactured by placing molten plastic...
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