Question

. An adiabatic heat exchanger receives 3 kg/s of R12 as a saturated vapor at 960...

. An adiabatic heat exchanger receives 3 kg/s of R12 as a saturated vapor at 960 kPa and condenses it to a saturated liquid at this pressure.   The cooling water at 100 kPa enters the heat exchanger at 20 C and leaves at 35 C.   Determine the heat transfer to the water in kW and the water flowrate in kg/s.   385.6 kW    6.09 kg/s

Science   Advanced-Physics   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
An adiabatic counterflow heat exchanger receives 0.3 m3/s of saturated steam vapor at 200 kPa and...
An adiabatic counterflow heat exchanger receives 0.3 m3/s of saturated steam vapor at 200 kPa and condenses it to a saturated liquid on the shell side.   Water enters the tubes at 25 C and leaves at 40 C.   Determine the second law efficiency for the heat exchanger.
saturated steam at 300 C is used to heat countercurrently flowing stream of methanol vapor from...
saturated steam at 300 C is used to heat countercurrently flowing stream of methanol vapor from 65C to 260 C in and adiabatic heat exchanger. The flow rate of the methanol is 5500 standard liters per minute, and the steam condenses and leaves the heat exchanger as liquid water at 90 C. A) calculate the required flow rate of the entering steam in m^3/min. B) Calculate the rate of heat transfer from the water to the methanol (kW).
Saturated liquid ethanol at 500 kPa enters a heat exchanger and is brought to 950oK at...
Saturated liquid ethanol at 500 kPa enters a heat exchanger and is brought to 950oK at constant pressure, after which it enters a reversible adiabatic turbine where it expands to 100 kPa. Find the heat transfer in the heat exchanger, the turbine exit temperature, and turbine work.
Saturated steam at 350 C is used to heat a countercurrent stream of methanol vapor from...
Saturated steam at 350 C is used to heat a countercurrent stream of methanol vapor from 70C to 300C in an adiabatic heat exchanger. The flow rate of methanol is 6000 L (STP) / min, and the steam condenses and leaves the exchanger as liquid water at 80C. a) Calculate the necessary flow of the incoming steam in m 3 / min. b) Calculate the heat flux transferred from water to methanol (kW).
Saturated water vapor leaves a steam turbine at a flow rate of 1.47 kg/s and a...
Saturated water vapor leaves a steam turbine at a flow rate of 1.47 kg/s and a pressure of 0.51 bar. The vapor is to be completely condensed to saturated liquid in a shell-and-tube heat exchanger that uses city water as the cold fluid. The water enters the thin-walled tubes at 17oC and is to leave at 57.6 oC. Assuming an overall heat transfer coefficient of 2000 W/m2K, determine the required heat exchanger surface area and the water flow rate. cp,c...
Water is used to cool R-134a in the condenser of a heat exchanger. The refrigerant enters...
Water is used to cool R-134a in the condenser of a heat exchanger. The refrigerant enters the counter-flow heat exchanger at 800 kPa, 80 0C and a mass flow rate of 2 kg/s. The refrigerant exits as a saturated liquid. Cooling water enters the condenser at 500 kPa and 18 0C and leaves the condenser at 30 0C. Determine the necessary mass flow rate of water. Each fluid is assumed to flow at constant pressure.
Mixture of saturated liquid-vapor water enters a compressor with mass flow rate of 2 kg/s, velocity...
Mixture of saturated liquid-vapor water enters a compressor with mass flow rate of 2 kg/s, velocity of 150 m/s, pressure of 10 kpa and quality of 0.85. The substance leaves the compressor with the velocity of 40 m/s at 7 MPa and 450°C. The heat loss from the compressor is 200 kW. Neglecting the changes in potential energy, determine the compressor required power.
Problem #1 Saturated steam at 300°C is used to heat a counter-currently flowing stream of methanol...
Problem #1 Saturated steam at 300°C is used to heat a counter-currently flowing stream of methanol vapor from 65°C to 260°C in an adiabatic heat exchanger. The flow rate of the methanol is 5500 standard liters per minute (at STP), and the steam condenses and leaves the heat exchanger as liquid water at 90°C. a) Draw a diagram of the process. b) Calculate the required flow rate of the entering steam in m3/min. c) Calculate the rate of heat transfer...
A power plant uses an adiabatic single-flash process coupled with a liquid-vapor separator and a turbine....
A power plant uses an adiabatic single-flash process coupled with a liquid-vapor separator and a turbine. (1) Flash Chamber (2) Seperator (3) Steam Turbine. Saturated liquid water enters the flash chamber (which behaves like a throttling valve) at 230 degrees C at a rate of 44 kg/s and leaves at a pressure of 700 kPa. The stream then enters the separator where the liquid is collected at the bottom of the unit while the vapor portion of the stream continues...
Saturated steam at 200 C, 1000 kg/h is used to boil toluene in a heat exchanger....
Saturated steam at 200 C, 1000 kg/h is used to boil toluene in a heat exchanger. The toluene enters at 50 C, 1 bar, 3500 kg/h and leaves as vapor at 1 bar. The steam condensate leaving is saturated water at 200 C. Calculate the exit toluene temperature.
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT