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Heaters, CoolersSaturated liquid nitrogen at 600 kPa
Chapter 4, Problem 68HP(choose chapter or problem)
Problem 68HP
Heaters, Coolers
Saturated liquid nitrogen at 600 kPa enters a boiler at a rate of 0.008 kg/s and exits as saturated vapor (see Fig. P4.68). It then flows into a superheater also at 600 kPa, where it exits at 600 kPa, 280 K. Find the rate of heat transfer in the boiler and the superheater.
FIGURE P4.68
Questions & Answers
QUESTION:
Problem 68HP
Heaters, Coolers
Saturated liquid nitrogen at 600 kPa enters a boiler at a rate of 0.008 kg/s and exits as saturated vapor (see Fig. P4.68). It then flows into a superheater also at 600 kPa, where it exits at 600 kPa, 280 K. Find the rate of heat transfer in the boiler and the superheater.
FIGURE P4.68
ANSWER:
Solution 68HP
Step 1 of 4
We have to find the rate of heat transfer in the boiler and the superheater.
The rate of heat transfer in the boiler can be found using energy equation.
Where,
= mass flow rate of nitrogen
= 0.008 kg/s
heat transfer to the boiler in kJ/kg