In a once-through boiler, feedwater enters through the bottom og tubes, receives heat from combustion of coal, and escapes from the top of the tubes as superheated steam, calculate the heat transfer coefficients of water and superheated steam using the following data: Pressure of feedwater at tube inlet = 27.0 MPa Absolute temperature of feedwater, Tf =563 K Pressure of superheated steam at tube outlet = 24.5 MPa Absolute Temperature of superheated steam, Tg = 838 K Velocity of Feedwater through each
Heat Exchangers
Heat exchangers are the types of equipment that are primarily employed to transfer the thermal energy from one fluid to another, provided that one of the fluids should be at a higher thermal energy content than the other fluid.
Heat Exchanger
The heat exchanger is a combination of two words ''Heat'' and ''Exchanger''. It is a mechanical device that is used to exchange heat energy between two fluids.
- In a once-through boiler, feedwater enters through the bottom og tubes, receives heat from combustion of coal, and escapes from the top of the tubes as superheated steam, calculate the heat transfer coefficients of water and superheated steam using the following data:
Pressure of feedwater at tube inlet = 27.0 MPa Absolute temperature of feedwater, Tf =563 K
Pressure of superheated steam at tube outlet = 24.5 MPa Absolute Temperature of superheated steam, Tg = 838 K Velocity of Feedwater through each tube. Vf = 6 m/s internal diameter of each tube = 63.5 mm
Length of pipe = 30m
Step by step
Solved in 2 steps