Question

In: Mechanical Engineering

An adiabatic tank, 0.5 m3, is initially evacuated and charged with steam at 500 kPa and...

An adiabatic tank, 0.5 m3, is initially evacuated and charged with steam at 500 kPa and 300 C. The final tank pressure is 500 kPa. Determine the final temperature and the entropy production.

Solutions

Expert Solution


Related Solutions

A rigid tank of volume 0.75 m3 is initially evacuated. A hole develops in the wall,...
A rigid tank of volume 0.75 m3 is initially evacuated. A hole develops in the wall, and air from the surroundings at 1 bar, 30°C 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 °C.
please show all work A 0.5-m3 rigid tank contains refrigerant-134a initially at 180 kPa and 40...
please show all work A 0.5-m3 rigid tank contains refrigerant-134a initially at 180 kPa and 40 percent quality. Heat is now transferred to the refrigerant until the pressure reaches 700 kPa. Determine the amount of heat transferred. (Round the final answer to the nearest whole number.) The amount of heat transferred is _____ kJ. Also, show the process on a P-v diagram with respect to saturation lines.
An old storage tank of “46” m3 stores steam at 6000 kPa and 330 °C. A...
An old storage tank of “46” m3 stores steam at 6000 kPa and 330 °C. A crack develops at the top wall of the tank and steam starts to leak out to the atmosphere. An engineer realizes the problem on time and stops the leak when the pressure inside the tank is below 4000 kPa. If the leak is assumed to be adiabatic and reversible, a) What is the final temperature of the steam remained in the tank? (10 points)...
An insulated rigid tank having a 0.2 m3 volume initially contains air at 400 kPa and...
An insulated rigid tank having a 0.2 m3 volume initially contains air at 400 kPa and 313 K. The amount of paddle-wheel work done on the system is 200 kJ. Calculate the nearest value of entropy change a. 0.66 kJ/K b. 0.88 kJ/K c. None d. 0.44 kJ/K e. 0.33 kJ/K
A piston-cylinder device initially has a volume of 1.5 m3 containing steam at 300 kPa absolute...
A piston-cylinder device initially has a volume of 1.5 m3 containing steam at 300 kPa absolute and 150 oC. It is then heated so it expands at constant pressure until it reaches a temperature of 400 oC. Draw a diagram of the device showing system boundary and flows of energy. What boundary work is done by the cylinder, in kJ, during the expansion? State your assumptions. 1. What is the mass of steam in the piston-cylinder? 2. How much heat...
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
A piston–cylinder device initially contains 2 kg water in 1 m3 at 500 kPa. The system...
A piston–cylinder device initially contains 2 kg water in 1 m3 at 500 kPa. The system then cools down and the volume drops to half and pressure of 300 kPa. At this state, the piston is resting on a set of stops, and the mass of the piston is such that a pressure of 500 kPa is required to move it. (a) Show the process on a P-v, T-v and P-T diagrams with respect to saturation lines and determine, (b)...
1 kg / s of steam is compressed in an adiabatic compressor from 200 kPa and...
1 kg / s of steam is compressed in an adiabatic compressor from 200 kPa and 200 ° C to 3000 kPa and 400 ° C. How powerful is the compressor? is this transformation possible (briefly argue)?
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT