A rigid tank of volume 10 m³ initially contains saturated water vapor at a temperature of 120 °C. Steam at a pressure 1.2 MPa and a temperature of 400 °C enters the tank through a valve in steam line that is connected to the tank until the final pressure in the tank is 800 kPa, at which time the temperature is 200 °C. All kinetic and potential energy effects can be neglected. A schematic of the problem and properties at all state points except state 1 are shown in the figure below. All of the properties at state 2 and the inlet state i are provided on the figure. Initial State in Tank T₁-120 °C, Sat. vapor u₁=? kJ/kg V₁=? m³/kg Pi=1.2 MPa, Ti-400 °C hi-3261.3 kJ/kg V=10 m³ Final State in Tank T: 200 °C, P₂-800 kPa u₂=2631.1 kJ/kg v₂=0.26088 m³/kg Qout

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8th Edition
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Chapter6: Forced Convection Over Exterior Surfaces
Section: Chapter Questions
Problem 6.12P
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Question
By making a mass balance on the
system, the mass of the steam that
entered the tank, mi, in kg is
D Question 11
By making an energy balance on the
system, the heat transferred during the
process in kJ is
Question 12
The heat transfer is
Partly into and partly out of the system.
0
Into the system
Out of the system
Transcribed Image Text:By making a mass balance on the system, the mass of the steam that entered the tank, mi, in kg is D Question 11 By making an energy balance on the system, the heat transferred during the process in kJ is Question 12 The heat transfer is Partly into and partly out of the system. 0 Into the system Out of the system
A rigid tank of volume 10 m³ initially contains
saturated water vapor at a temperature of
120 °C. Steam at a pressure 1.2 MPa and a
temperature of 400 °C enters the tank through
a valve in steam line that is connected to the
tank until the final pressure in the tank is 800
kPa, at which time the temperature is 200 °C.
All kinetic and potential energy effects can be
neglected. A schematic of the problem and
properties at all state points except state 1 are
shown in the figure below. All of the properties
at state 2 and the inlet state i are provided on
the figure.
Initial State in Tank
T₁-120 °C, Sat. vapor
u₁=? kJ/kg
V₁=? m³/kg
Pi=1.2 MPa,
Ti-400 °C
hi=3261.3 kJ/kg
V=10 m³
Final State in Tank
T₂-200 °C, P₂-800 kPa
u₂=2631.1 kJ/kg
v₂=0.26088 m³/kg
Qout
Transcribed Image Text:A rigid tank of volume 10 m³ initially contains saturated water vapor at a temperature of 120 °C. Steam at a pressure 1.2 MPa and a temperature of 400 °C enters the tank through a valve in steam line that is connected to the tank until the final pressure in the tank is 800 kPa, at which time the temperature is 200 °C. All kinetic and potential energy effects can be neglected. A schematic of the problem and properties at all state points except state 1 are shown in the figure below. All of the properties at state 2 and the inlet state i are provided on the figure. Initial State in Tank T₁-120 °C, Sat. vapor u₁=? kJ/kg V₁=? m³/kg Pi=1.2 MPa, Ti-400 °C hi=3261.3 kJ/kg V=10 m³ Final State in Tank T₂-200 °C, P₂-800 kPa u₂=2631.1 kJ/kg v₂=0.26088 m³/kg Qout
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