Liquid water enters a 10 m long smooth rectangular tube with a 50 mm and b 25 mm The surface temperature is maintained constant, and water enters the tube at 20 deg C with a mass flow rate of 0 25 kg s Determine the tube surface temperature necessary to heat the water to the desired outlet temperat...

The rectangular tube surface temperature necessary to heat water to the desired ...

Liquid water enters a 10-m-long smooth rectangular tube with a = 50 mm and b = 25

Question:

Liquid water enters a 10-m-long smooth rectangular tube with a = 50 mm and b = 25 mm. The surface temperature is maintained constant, and water enters the tube at 20°C with a mass flow rate of 0.25 kg/s. Determine the tube surface temperature necessary to heat the water to the desired outlet temperature of 80°C.