Problem: 16 Air at 60 °F flows from a large tank through a convergent nozzle, which has an exit diameter of 1.0 in. The discharge is to the atmosphere, where atmospheric pressure is 14.5 psia. Air pressure inside the tank is 30.0 puig. What is the weight fow rate of air through the nozzle? Ans: 0.503 Ib/s

Problem: 16 Air at 60 °F flows from a large tank through a convergent nozzle, which has an exit diameter of 1.0 in. The discharge is to the atmosphere, where atmospheric pressure is 14.5 psia. Air pressure inside the tank is 30.0 puig. What is the weight fow rate of air through the nozzle? Ans: 0.503 Ib/s

Solid Waste Engineering

3rd Edition

ISBN:9781305635203

Author:Worrell, William A.

Publisher:Worrell, William A.

Chapter5: Separation Processes

Section: Chapter Questions

Problem 5.6P

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40.) A large closed tank is filled with air under a pressure of 5.3 psi gage and at a temperature of 65°F. The air discharges into the atmosphere (14.7 psi) through a small opening in the side of the tank. Neglecting friction losses, compute the velocity of the air leaving the tank assuming (a) constant density of the air and (b) adiabatic flow conditions. ANSWER: 692 ft/sec, 728 ft/sec 41.) For Problem 40, if the pressure were 10.0 psi, what would be the velocity for (a) and for (b)? ANSWER: 855 ft/sec, 934 ft/sec
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