As shown in the figure, a 320-ft3 tank contains 25 lb of H2O initially at 30 lbf/in?. The tank is connected to a large steam line car steam at 200 lbf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in? and the temperature is 400°F, at which time the valve is closed.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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As shown in the figure, a 320-ft3 tank contains 25 lb of H2O initially at 30 lbf/in2. The tank is connected to a large steam line carrying steam at 200 lbf/in2, 450oF. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in2 and the temperature is 400oF, at which time the valve is closed.
As shown in the figure, a 320-ft³ tank contains 25 Ib of H20 initially at 30 Ibf/in?. The tank is connected to a large steam line carrying
steam at 200 Ibf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in? and the
temperature is 400°F, at which time the valve is closed.
Steam at
200 lbf/in.?.
450°F
Tank
Valve
(1)
Initially:
30 lbf'in.?, mi = 25 lb
|(2)
Finally:
P, lbfin?, 400°E.
Determine the amount of mass that enters the tank, in Ib, and the heat transfer to the tank from its surroundings, in Btu.
Transcribed Image Text:As shown in the figure, a 320-ft³ tank contains 25 Ib of H20 initially at 30 Ibf/in?. The tank is connected to a large steam line carrying steam at 200 Ibf/in?, 450°F. Steam flows into the tank through a valve until the tank pressure reaches p2 = 100 lbf/in? and the temperature is 400°F, at which time the valve is closed. Steam at 200 lbf/in.?. 450°F Tank Valve (1) Initially: 30 lbf'in.?, mi = 25 lb |(2) Finally: P, lbfin?, 400°E. Determine the amount of mass that enters the tank, in Ib, and the heat transfer to the tank from its surroundings, in Btu.
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