Question
In: Mechanical Engineering
Determine the specific volume (m3/kg) of air at T = 159.6 K and P = 37.5 bar using the generalized compressibility chart.
Determine the specific volume (m3/kg) of air at T = 159.6 K and P = 37.5 bar using the generalized compressibility chart.
Solutions
samet mamat answered 2 years agoRelated Solutions
For H2O, determine the specific volume at the indicated state, in m3/kg. (a) T = 400°C,...
For H2O, determine the specific volume at the indicated state,
in m3/kg. (a) T = 400°C, p = 20 MPa. (b) T = 120°C, p = 20 MPa. (c)
T = 40°C, p = 2 MPa.
I have figured out how to do A, but can't get the correct answer
for B or C. All the examples I am finding are with numbers that are
listed already on the charts, and mine are not so I need to
approach the...
For H2O, determine the specific volume at the indicated state, in m3/kg. (a) T = 480°C,...
For H2O, determine the specific volume at the indicated state,
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Consider a piston cylinder device with a volume of 0.04 m3 and initially contains air at 293 K and 1 bar.
Consider a piston cylinder device with a volume of 0.04 m3 and initially contains air at 293 K and 1 bar. It is desired to reverse the cycle and use it as a refrigerator. In this case the process would begin with PV1.36 = constant process from an initial state of 293 K and a pressure of 10 Bars. The gas is allowed to expand to a volume 3.5 times the volume of state 1. It then follows a...
Thermodynamics - water P = 20 bar, T = 250 C, what is the specific volume?...
Thermodynamics - water
P = 20 bar, T = 250 C, what is the specific volume? (choose the
closest answer)
a)0.1085
b)0.15
c)0.1200
d)0.1308
T = 240 C, P = 2.5 bar, what is the specific internal
energy?.
a)2713.1
b)2714
c)2717.2
d)2720
P = 20 bar, h = 2900 kJ/kg, what is the temperature?
a)250
b)240
c)280
d)300
Uncertainty calculation I want to determine the air density (ρ, in kg/m3) using the following...
Uncertainty calculation I want to determine the air density (ρ,
in kg/m3) using the following equation.
p=(1/R)*(P/T)
where
P : barometric pressure, in Pa
T: temperature, in K
R: specific gas constant for dry air, 289.7 J/(kg·K) [assume
constant has no uncertainty]
I performed a sample-to-sample experiment with 6
repetitions/samples (n = 6). I got following results:
P = 96,389 ± 167 Pa
T = 311.8 ± 2.93 K
The tags on the sensors show the barometric...
3.0 kg of air initially occupying a volume of 0.01 m3 at a pressure of 95.0...
3.0 kg of air initially occupying a volume of 0.01 m3 at a
pressure of 95.0 bar expands in a piston-cylinder assembly
isothermally and without irreversibilities until the volume is 0.05
m3. Using the Redlich-Kwong equation of state, determine the
1. temperature during the process, in K
2. final pressure, in bar
Ammonia is initially at a temperature of -10° C and a specific volume of 0.07 m3/kg....
Ammonia is initially at a temperature of -10° C and a specific
volume of 0.07 m3/kg. The ammonia undergoes an isobaric expansion
to a final specific volume of 0.22 m3/kg. Evaluate the specific
work done on the ammonia in kJ/kg and the specific heat transfer to
the ammonia in kJ/kg. Neglect changes in kinetic energy and
potential energy.
Carbon dioxide is contained in a piston-cylinder assembly with
an initial pressure and temperature of 8 lbf/in2 and 100° F,
respectively. The...
A rigid tank of volume 0.63 m3 initially has some air inside at 0.5 bar and...
A rigid tank of volume 0.63 m3 initially has some air inside at
0.5 bar and 300 K. A hole develops in the wall, and air from the
surroundings at 1 bar, 300 K flows in until the pressure in the
tank reaches 1 bar. Heat transfer between the contents of the tank
and the surroundings is negligible. Determine the final temperature
in the tank, in K. What is the entropy generation of the process?
(Please treat the air as...
A rigid tank of volume 0.63 m3 initially has some air inside at 0.5 bar and...
A rigid tank of volume 0.63 m3 initially has some air inside at
0.5 bar and 300 K. A hole develops in the wall, and air from the
surroundings at 1 bar, 300 K flows in until the pressure in the
tank reaches 1 bar. Heat transfer between the contents of the tank
and the surroundings is negligible. Determine the final temperature
in the tank, in K. What is the entropy generation of the
process?
(Please treat the air as...
A rigid tank of volume 0.63 m3 initially has some air inside at 0.5 bar and...
A rigid tank of volume 0.63 m3 initially has some air inside at
0.5 bar and 300 K. A hole develops in the wall, and air from the
surroundings at 1 bar, 300 K flows in until the pressure in the
tank reaches 1 bar. Heat transfer between the contents of the tank
and the surroundings is negligible. The final temperature is 350 K.
Use the transient state entropy balcance to find the entropy
generation of the process
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