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elena-s [515]
3 years ago
6

Steam at 320°C flows in a stainless steel pipe (k 5 15 W/m·K) whose inner and outer diameters are 5 cm and 5.5 cm, respectively.

The pipe is covered with 3-cm-thick glass wool insulation (k 5 0.038 W/m·K). Heat is lost to the surroundings at 5°C by natural convection and radiation, with a combined natural convection and radiation heat transfer coefficient of 15 W/m2 ·K. Taking the heat transfer coefficient inside the pipe to be 80 W/m2 ·K, determine the rate of heat loss from the steam per unit length of the pipe. Also determine the temperature drops across the pipe shell and the insulation.

Engineering
1 answer:
noname [10]3 years ago
4 0

Answer:

  1. determine the rate of heat loss from the steam per unit length of the pipe.  = 93.94w
  2. Also determine the temperature drops across the pipe shell and the insulation = 290.18°C

Explanation:

  1. determine the rate of heat loss from the steam per unit length of the pipe.  = 93.94w
  2. Also determine the temperature drops across the pipe shell and the insulation = 290.18°C

check the attached doc for proper explannation

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