Homework Answers
Refer saturation temperature from the steam table by S.C Jain by Birla publishers of Super heated steam properties table.
Hence
both the questions are in SUPERHEATED PHASE.
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4. (10points) (a) Determine the phase of water/ steam at a pressure of 500 kPa and...
(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.
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.
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
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)
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...
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...
5. A 15 kg saturated steam has a pressure of 600 kPa and internal energy of...
5. A 15 kg saturated steam has a pressure of 600 kPa and internal energy of 24,725 K. (a) Determine the quality of the saturated steam. (b) Determine the enthalpy of the saturated steam. 6. Air at 600 K flows with 3 kg/s into a heat exchanger and out at 100'C. Determine the amount (kg/s) of water coming in at 100 kPa, 20°C that the air can heat to the boiling point and the heat transfer rate (in kW) from...
For water... If Temperature (T) = 110C and phase = saturated liquid, determine Pressure (P) kPa...
For water... If Temperature (T) = 110C and phase = saturated liquid, determine Pressure (P) kPa , v (m^3/kg), X. Please show work
(4 points) Steam A spring-loaded piston cylinder initially contains 4.2 kg of steam at 120° C...
(4 points) Steam A spring-loaded piston cylinder initially contains 4.2 kg of steam at 120° C and with a quality of 50%. The device is heated until the pressure of the steam is 500 kPa and the temperature is 200° C. Determine the boundary work done by the steam during this process. 0 kJ Determine the total heat transferred during this process. 0 kJ
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)
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...
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...
5. A 15 kg saturated steam has a pressure of 600 kPa and internal energy of 24,725 K. (a) Determine the quality of the saturated steam. (b) Determine the enthalpy of the saturated steam. 6. Air at 600 K flows with 3 kg/s into a heat exchanger and out at 100'C. Determine the amount (kg/s) of water coming in at 100 kPa, 20°C that the air can heat to the boiling point and the heat transfer rate (in kW) from...
(4 points) Steam A spring-loaded piston cylinder initially contains 4.2 kg of steam at 120° C and with a quality of 50%. The device is heated until the pressure of the steam is 500 kPa and the temperature is 200° C. Determine the boundary work done by the steam during this process. 0 kJ Determine the total heat transferred during this process. 0 kJ
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