A 12 cm outside diameter and 10-cm inside diameter cast iron pipe with conductivity of 80 w/m-K has 4cm of polystyrene insulation with a conductivity of 0.027 w/m-k. saturated steam at 5000 C is flowing through the pipe and the outside surface temperature is 60 C. determine the heat transfer per 150 meter of pipe.

A 12 cm outside diameter and 10-cm inside diameter cast iron pipe with conductivity of 80 w/m-K has 4cm of polystyrene insulation with a conductivity of 0.027 w/m-k. saturated steam at 5000 C is flowing through the pipe and the outside surface temperature is 60 C. determine the heat transfer per 150 meter of pipe.

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.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

Problem 2.38P: 2.38 The addition of aluminum fins has been suggested to increase the rate of heat dissipation from...

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Posting it second time . Answer all else dont answer - You are using a silver spoon to stir water that just started boiling so that you can achieve a more even heat distribution in your water. The spoon is partially immersed in boiling water and a thermometer in your kitchen reads 27 °C. The handle of the spoon has a cross section of 2mm × 1cm and extends 15 cm in the air from the free surface of the water. The heat transfer coefficient at the exposed surfaces of the spoon handle is 3 W/m2 ×K. Part A : Determine the temperature difference across the exposed surface of the spoon handle. Follow the problem-solving guide on the front page. At the minimum, your analysis should answer the following questions providing detailed justifications:-What are the modes of heat transfer that the spoon is exposed to? -Is this a time dependent or steady state problem? Why or why not?-Is this a 1-D, 2-D or 3-D problem? Why or why not?- What is the thermal conductivity of the material?- The heat…