Question
In: Mechanical Engineering
A rigid cylinder of volume 0.025 m^3 contains steam at 80 bar and 350o C. The...
A rigid cylinder of volume 0.025 m^3 contains steam at 80 bar and 350o C. The cylinder is cooled until the pressure is 50 bar. Calculate the state of the steam after cooling and the amount of heat rejected by the steam. Sketch the process on the T-s diagram indicating the area which represents the heat flow. Also sketch the schematic of the system.
Solutions
samet mamat answered 2 years agoRelated Solutions
Steam at 275ºC and 15.0 bar is contained in a rigid tank with the volume of...
Steam at 275ºC and 15.0 bar is contained in a rigid tank with
the volume of 10.0 m3 . In a constantvolume cooling process, the
pressure inside the tank drops to 1.8 bar and some of the steam
condenses. Calculate 1) the temperature of the tank contents after
the process, 2) the amount of steam condensed during the process
(in kg), and 3) the amount of heat removed from the tank during the
process.
Steam at 275ºC and 15.0 bar is contained in a rigid tank with the volume of...
Steam at 275ºC and 15.0 bar is contained in a rigid tank with
the volume of 10.0 m^3 . In a constant volume cooling process, the
pressure inside the tank drops to 1.8 bar and some of the steam
condenses. Calculate 1) the temperature of the tank contents after
the process, 2) the amount of steam condensed during the process
(in kg), and 3) the amount of heat removed from the tank during the
process.
A rigid, well-insulated tank contains wet steam (20:80 wt% liquid:vapor) at 200 ◦C. The wet steam...
A rigid, well-insulated tank contains wet steam (20:80 wt%
liquid:vapor) at 200 ◦C. The wet steam is withdrawn from the tank
until the fluid remaining in the tank is at 150 ◦C. The process is
carried out
slowlysuchthatinternalgradientsarenegligibleinsidethetank.
Determineattheendofthisprocess: (a) The pressure in the tank. (b)
The mass fraction of vapor and liquid in the tank. (c) The fraction
of total water (liquid and vapor) present initially that was
withdrawn
A rigid, well-insulated tank contains wet steam (20:80 wt% liquid:vapor) at 200◦C. The wet steam is...
A rigid, well-insulated tank contains wet steam (20:80 wt%
liquid:vapor) at 200◦C. The wet steam is withdrawn from
the tank until the fluid remaining in the tank is at
150◦C. The process is carried out slowly such that
internal gradients are negligible inside the tank. Determine at the
end of this process:
(a) The pressure in the tank.
(b) The mass fraction of vapor and liquid in the tank.
(c) The fraction of total water (liquid and vapor) present
initially...
10 kg of steam is contained at 10 bar in a rigid vessel of volume 2.275...
10 kg of steam is contained at 10 bar in a rigid vessel of
volume 2.275 m3. The vessel is cooled until the pressure
in the vessel is 7 bar. Calculate the amount of heat removed from
the steam.
a cylinder of volume 0.240 m^3 contains 10.3 mol of neon gas at 19.0 C. assume...
a
cylinder of volume 0.240 m^3 contains 10.3 mol of neon gas at 19.0
C. assume neon behaves as an idea gas.
a) what is the pressure of the gas
b) find the internal energy of the gas
c) suppose the gas expands at a constant pressure to a colume
of 1.000m^3. how much work is done on the gas?
d) what is the temperature of the gas at the new volume
e) find the internal energy of the gas...
A piston–cylinder assembly contains propane, initially at 27°C, 1 bar, and a volume of 0.1 m3....
A piston–cylinder assembly contains propane, initially at 27°C,
1 bar, and a volume of 0.1 m3. The propane undergoes a process to a
final pressure of 4 bar, during which the pressure–volume
relationship is pV1.1 = constant. For the propane, evaluate the
work and heat transfer, each in kJ. Kinetic and potential energy
effects can be ignored.
3. An insulated container contains 2.7 kg of steam at 1.4 bar and 120°C. The top...
3. An insulated container contains 2.7 kg of steam at 1.4 bar
and 120°C. The top is opened and a 1.8 kg block of ice at 0°C and
4.5 kg of liquid water at 1.6°C are dumped into the container. What
is the final temperature of the resulting vapor-liquid mixture in
the container? Note: It takes 6.0095 KJ/mol to melt ice.
A 3 m^3 rigid tank contains 10 kg of H2O at 70 C. a. Determine the...
A 3 m^3 rigid tank contains 10 kg of H2O at 70 C.
a. Determine the specific volume of the system
b. Determine the pressure
c. The phase description and quality (x) if it is in the two
phase region (saturated mixture)
d. The mass of each phase of water
e. The specific internal energy (u) of the system
A piston-cylinder device contains 0.56 kg of steam at 300 degrees C and 1.4 MPa. Steam...
A piston-cylinder device contains 0.56 kg of steam at 300
degrees C and 1.4 MPa. Steam is cooled at constant pressure until
one-half of the mass condenses.
(a) Find the final temperature. T1= _______ degrees
celcius
(b) Determine the volume change in m3
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