(a) Determine the phase of water/ steam at a pressure of 500 kPa and 200 ⁰C...
(a) Determine the phase of water/ steam at a pressure of 500 kPa and 200 ⁰C
(b) Determine the phase of water/ steam at a pressure of 350 kPa and 250 ⁰C.
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(a) Determine the phase of water/ steam at a pressure of 500 kPa
and 200 ⁰C...
4. (10points) (a) Determine the phase of water/ steam at a pressure of 500 kPa and...
4. (10points) (a) Determine the phase of water/ steam at a pressure of 500 kPa and 200 °C. (5 points) (b) Determine the phase of water/ steam at a pressure of 350 kPa and 250 °C. (5 points)
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. Answers:...
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. Answers: 461.5 C, 0.379
Problem 4 Steam enters a nozzle at 500°C and 500 kPa with a velocity of 15...
Problem 4 Steam enters a nozzle at 500°C and 500 kPa with a velocity of 15 m/s; it exits the nozzle at 200°C and 100 kPa while losing heat at a rate of 30 kW. Given that the mass flow rate of the steam is 1.688 kg/s, determine the velocity of the steam at the nozzle exit.
2. A nozzle receives 0.2 kg/s of steam (superheated vapor water) at 400°C, 1000 kPa, and...
2. A nozzle receives 0.2 kg/s of steam (superheated vapor water) at 400°C, 1000 kPa, and with negligible velocity. The H20 exits at 350°C, 500 kPa. Determine the (a) exit velocity, and (b) exit area (in cm2), (c) exit diameter (in cm)
Fluid Mechanics & Fluid Power Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump in...
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
A piston –cylinder device initially contains 0.2 kg of steam at 1400 kPa and 350C. The...
A piston –cylinder device initially contains 0.2 kg of steam at 1400 kPa and 350C. The steam is then cooled at constant pressure until it is at 200C. (a) Determine the volume change of the cylinder during this process using the compressibility factor. (b) Compare the result in part (a) to that obtained using actual property values.
Steam at 500°C and 600 kPa is throttled to 100 kPa. Determine the entropy generation (in...
Steam at 500°C and 600 kPa is throttled to 100 kPa. Determine the entropy generation (in kJ/kgK) during the throttling process. Select one: a. O kJ/kgk cross out b. -0.0180 kJ/kgK cross out cross out C. 0.223 kJ/kgK d. 0.577 kJ/kgK e. 0.823 kJ/kgk cross out o cross out
Consider a steam power plant operating on the simple ideal Rankine cycle. Steam enters the turbine at 5 MPa and 500°C and is condensed in the condenser at a pressure of 50 kPa. Heat is supplied to th...
Consider a steam power plant operating on the simple ideal Rankine cycle. Steam enters the turbine at 5 MPa and 500°C and is condensed in the condenser at a pressure of 50 kPa. Heat is supplied to the steam in a furnace maintained at 800 K, and waste heat is rejected to the surroundings at 300 K. Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the net work output, (b) the thermal efficiency...
PROBLEM 1. Consider a Rankine cycle, where steam enters the turbine @ 5 Mpa, 500 *C...
PROBLEM 1. Consider a Rankine cycle, where steam enters the turbine @ 5 Mpa, 500 *C and excits at 12.35 kPa. The cycle produce 10,000 KW of electricity. Determine the cycle efficiency and the steam amount needed. PROBLEM 2. For the figure below, find the cycle efficiency given the following: Consider 1 kg flowing The pressure at point 1, 5 and 6 are 10 kPa, 3000 kPa, and 1000 kPa. The temperature at point 5 is 350 °C. The steam...
20 kg of steam initially at 2000 kPa and 400°C expansion to a final pressure of...
20 kg of steam initially at 2000 kPa and 400°C expansion to a final pressure of 500 kPa. What is the final Also, calculate the work done by the steam. 0 kPa and 400°C undergoes an adiabatic reversible Pa. What is the final temperature of the steam?
4. (10points) (a) Determine the phase of water/ steam at a pressure of 500 kPa and 200 °C. (5 points) (b) Determine the phase of water/ steam at a pressure of 350 kPa and 250 °C. (5 points)
Problem 4 Steam enters a nozzle at 500°C and 500 kPa with a velocity of 15 m/s; it exits the nozzle at 200°C and 100 kPa while losing heat at a rate of 30 kW. Given that the mass flow rate of the steam is 1.688 kg/s, determine the velocity of the steam at the nozzle exit.
2. A nozzle receives 0.2 kg/s of steam (superheated vapor water) at 400°C, 1000 kPa, and with negligible velocity. The H20 exits at 350°C, 500 kPa. Determine the (a) exit velocity, and (b) exit area (in cm2), (c) exit diameter (in cm)
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
Steam at 500°C and 600 kPa is throttled to 100 kPa. Determine the entropy generation (in kJ/kgK) during the throttling process. Select one: a. O kJ/kgk cross out b. -0.0180 kJ/kgK cross out cross out C. 0.223 kJ/kgK d. 0.577 kJ/kgK e. 0.823 kJ/kgk cross out o cross out
Consider a steam power plant operating on the simple ideal Rankine cycle. Steam enters the turbine at 5 MPa and 500°C and is condensed in the condenser at a pressure of 50 kPa. Heat is supplied to the steam in a furnace maintained at 800 K, and waste heat is rejected to the surroundings at 300 K. Show the cycle on a T-s diagram with respect to saturation lines, and determine (a) the net work output, (b) the thermal efficiency...
PROBLEM 1. Consider a Rankine cycle, where steam enters the turbine @ 5 Mpa, 500 *C and excits at 12.35 kPa. The cycle produce 10,000 KW of electricity. Determine the cycle efficiency and the steam amount needed. PROBLEM 2. For the figure below, find the cycle efficiency given the following: Consider 1 kg flowing The pressure at point 1, 5 and 6 are 10 kPa, 3000 kPa, and 1000 kPa. The temperature at point 5 is 350 °C. The steam...
20 kg of steam initially at 2000 kPa and 400°C expansion to a final pressure of 500 kPa. What is the final Also, calculate the work done by the steam. 0 kPa and 400°C undergoes an adiabatic reversible Pa. What is the final temperature of the steam?
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