n insulating material 5 cm thick covers a steam pipe carying steam at 626 K. The outside temperature of the insuld 55 K. with a thermal conductivity k = 0.06 (1 + 0.002t) where k is in W/m°C and t is in °C. If the outer diameter of the pe is 25 cm, calculate the heat loss in Watts for 189 m length of the pipe. Round off your answer to the nearest wh umber.

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.
Chapter1: Basic Modes Of Heat Transfer
Section: Chapter Questions
Problem 1.1P: 1.1 On a cold winter day, the outer surface of a 0.2-m-thick concrete wall of a warehouse is exposed...
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An insulating material 5 cm thick covers a steam pipe carying steam at 626 K. The outside temperature of the insulation is
355 K, with a thermal conductivity k = 0.06 (1 + 0.002t) where k is in W/m°C and t is in °C. If the outer diameter of the steam
pipe is 25 cm, calculate the heat loss in Watts for 189 m length of the pipe. Round off your answer to the nearest whole
number.
Transcribed Image Text:An insulating material 5 cm thick covers a steam pipe carying steam at 626 K. The outside temperature of the insulation is 355 K, with a thermal conductivity k = 0.06 (1 + 0.002t) where k is in W/m°C and t is in °C. If the outer diameter of the steam pipe is 25 cm, calculate the heat loss in Watts for 189 m length of the pipe. Round off your answer to the nearest whole number.
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