Steam at Tool = 320°C flows in a cast iron pipe (K-50W/m:'() whose imer and outer diameter are D₁ = Scm and D₂=5.5cm, respectively. The pipe is covered with 2-cm thick glass wool insulation with K = 0.05 w/m. "C Heat is lost to sorroundings at Too = 5°c by natural convection and radiation, with a combined heat transfer coefficient of hy₂ = 18 W/m². C taking the heat transfer Coefficient inside the pipe to be h₁ = 60 W/m². C, determine the rate of heat loss from the stream per unit length of the pipe. Also determine the temperature drops across the pipe shell and the situation.

Steam at Tool = 320°C flows in a cast iron pipe (K-50W/m:'() whose imer and outer diameter are D₁ = Scm and D₂=5.5cm, respectively. The pipe is covered with 2-cm thick glass wool insulation with K = 0.05 w/m. "C Heat is lost to sorroundings at Too = 5°c by natural convection and radiation, with a combined heat transfer coefficient of hy₂ = 18 W/m². C taking the heat transfer Coefficient inside the pipe to be h₁ = 60 W/m². C, determine the rate of heat loss from the stream per unit length of the pipe. Also determine the temperature drops across the pipe shell and the situation.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Entropy

In physics, entropy means the amount of disorder or the degree of randomness associated with a thermodynamic system. The system is not self-organized when the entropy of the system is high. For instance, when a system is at an elevated temperature, its molecules are in random motion, vibrating and colliding with each other. During this scenario, the probability of finding a molecule at a particular place twice, is low. Under this circumstance, the system can be said to be in a high entropy.

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Steam at Too1 = 320°C flows in a cast iron pipe (k=80 W/m. 'C) Whose inner and outer diameter
are D₁ = 5cm and D₂=S. Scm, respectively. The pipe is covered with 2-cm thick glass wool insulation
with K= 0.05 w/m. 'C Heat is lost to sorroundings at Too = 5°c by natural convection and
radiation, with a combined heat transfer coefficient of h₂ = 18 W/m². C taking the heat transfer
Coefficient inside the pipe to be h₁ = 60 W/m². 'C, determine the rate of heat loss from the
stream per unit length of the pipe. Also determine the temperature drops across the pipe
shell and the situation:

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