Steam at 320°C flows in a stainless steel pipe, whose innerand outer diameters are D; = 5 cm and D.- 5.5 cm. The pipeis insulated with insulating material – glass fibe (organicbonded) at a thickness of 3 cm. Heat is lost to surroundingsat 5°C via convection and radiation with a combined heattransfer coefficient of h, = 18 W/m²K. If the heat transfercoefficient inside the pipe is h, = 60 W/m²K, determine:a) the heat loss from the steam per unit length of pipeb) temperature drop across the pipe thickness

As the material given is glass fiber ( organic bonded ), the value of K is 0.036 W/m C

Steam at 320°C flows in a stainless steel pipe, whose inne and outer diameters are D; = 5 cm and D.-5.5 cm. The pip is insulated with insulating material – glass fibe (organic bonded) at a thickness of 3 cm. Heat is lost to surroundin at 5°C via convection and radiation with a combined heat transfer coefficient of h, = 18 W/m²K. If the heat transfer coefficient inside the pipe is h, = 60 W/m²K, determine: %3D a) the heat loss from the steam per unit length of pipe b) temperature drop across the pipe thickness

Steam at 320°C flows in a stainless steel pipe, whose inne and outer diameters are D; = 5 cm and D.-5.5 cm. The pip is insulated with insulating material – glass fibe (organic bonded) at a thickness of 3 cm. Heat is lost to surroundin at 5°C via convection and radiation with a combined heat transfer coefficient of h, = 18 W/m²K. If the heat transfer coefficient inside the pipe is h, = 60 W/m²K, determine: %3D a) the heat loss from the steam per unit length of pipe b) temperature drop across the pipe thickness

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter7: Forced Convection Inside Tubes And Ducts

Section: Chapter Questions

Problem 7.27P

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