Fox And Mcdonald's Introduction To Fluid Mechanics

9th Edition

ISBN: 9781118921876

Author: Pritchard, Philip J.; Leylegian, John C.; Bhaskaran, Rajesh

Publisher: WILEY

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Textbook Question

Chapter 12, Problem 66P

Atmospheric air at 98.5 kPa and 20°C is drawn into a vacuum tank through a convergent-divergent nozzle of 50-mm throat diameter and 75-mm exit diameter. Caiculate the largest mass flow rate that can be drawn through this nozzle under these conditions.

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Chapter 12, Problem 65P

Chapter 12, Problem 67P

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multi-stage high –pressure steam turbine is supplied with steam at a stagnation pressure of 7 MPa and a stagnation temperature of 5000C. The corresponding specific enthalpy is 3410kJ.kg. The steam exhaust from the turbine at a stagnation pressure of 0.7 MPa abs., the steam having been in a super-heated condition throughout the expansion. It can be assumed that the steam behaves like a perfect gas over the range of the expansion and that ᵞ = 1.3. Given that the turbine flow process has a small-stage efficiency of 0.82, determine (1) the temperature and specific volume at the end of the expansion; (2) the re-heat factor. The specific volume of superheated steam is represented by pv=0.231(h-1943), where “p” is in kPa, v is in m3/kg and “h” is in kJ/kg.

i just need final answer The tank is filled with air at 20°C and 139 kPa in stationary condition. Air is leaving the tank with flowing in anozzle under steady-state condition. The flow is under isentropic and subsonic condition. The nozzle exit area is28,1 cm2. After leaving from the nozzle, air strikes a vertical plate. Define the force [N] required to hold the platestationary. (Note: Assume Pe=1 atm, kor=1.4, Ric=287 J/kg.K)

Chapter 12 Solutions

Fox And Mcdonald's Introduction To Fluid Mechanics

Ch. 12 - Air is expanded in a steady flow process through a...Ch. 12 - Five kilograms of air is cooled in a closed tank...Ch. 12 - Air is contained in a piston-cylinder device. The...Ch. 12 - Calculate the power delivered by the turbine per...Ch. 12 - If hydrogen flows as a perfect gas without...Ch. 12 - A 1-m3 tank contains air at 0.1 MPa absolute and...Ch. 12 - Air enters a turbine in steady flow at 0.5 kg/s...Ch. 12 - Natural gas, with the thermodynamic properties of...Ch. 12 - Carbon dioxide flows at a speed of 10 m/s in a...Ch. 12 - In an isothermal process, 0.1 cubic feet of...

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