Determine the convection heat transfer coefficient for the flow of (a) air and (b) water at a velocity of 2 m/s in an 8-cm-diameter and 7-m-long tube when the tube is subjected to uniform heat flux from all surfaces. Use fluid properties at 25°C.

Q: Water at 43.3°C flows over a large square plate at a velocity of 28 cm/s. The plate is 1.2 m long…

A:

Q: Consider the flow of oil (use unused engine oil properties) at 20? in a 30-cm-diameter pipeline at…

A: Solution:

Q: Air at 10 °C enter an 18 m de long rectangular duct of cross section 0.15 m X 0.20 m at a velocity…

A:

Q: Consider a 50-mm-diameter and 25-m-long smooth tube that is maintained at a constant surface…

A: Write the expression of the average temperature.Here  indicates inlet temperature and  indicates…

Q: Air at 206.8 kPa and at an average temperature of 200 oC is being heated as is flows through a tube…

A: Given data  Pressure = 206.8 kpa Average temperature= 200°C Inside diameter of pipe = 40mm Velocity…

Q: For flow over a flat plate, indicate the letter that describes the local variation of the heat…

A:

Q: A liquid is entering a 10 m long pipe of 0.2 m diameter at 25°C with an average velocity of 0.02…

A:

Q: Consider a 50-mm-diameter and 25-m-long smooth tube that is maintained at a constant surface…

A:

Q: Engine oil enters the 5 mm diameter pipe at 120°C. The pipe surface temperature is kept at 40°C and…

A:

Q: Palm oil with a density of 1200 kg/m3 and the specific heat of 2 kJ/(kg.K) is to be heated from 20oC…

A: Given: Density, ρ- 1200 kg/m3 Specific heat, Cp - 2 kJ/kg.K Diameter, D - 2 m Height, H - 2 m To…

Q: A liquid is entering a 10 m long pipe of 0.2 m diameter at 25°C with an average velocity of 0.02…

A:

Q: Water at 43.3°C flows over a large square plate at a velocity of 20 cm/s. The plate is 2 m long (in…

A:

Q: Heat Transfer Lesson The temperature will be increased from 10 (Degree Celsius oC) to 90 (Degree…

A: In problem  inlet temperature of water= 10°C  outlet temperature of water= 90C° diameter of pipe is…