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om the steam pipe by 90% using a layer of glass fiber as the insulation. Determir e required thickness of the insulation. The thermal conductivity of the glass fib 0.04 W/m.K.

om the steam pipe by 90% using a layer of glass fiber as the insulation. Determir e required thickness of the insulation. The thermal conductivity of the glass fib 0.04 W/m.K.

Elements Of Electromagnetics
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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Superheated steam at 350 °C flows through a pipe whose thermal conductivity is kp = 16 W/m.K. The inner diameter and thickness of the pipe are 26 cm and 1 cm, respectively. The surrounding temperature is 28 °C. The convective heat transfer coefficient at the steam side and the outside of the pipe is 90 W/m?.K and 15 W/m?.K, respectively. Derive an expression for the temperature profile across the pipe thickness as a function of the radial position r. T. = 28 °C, h, = 15 W/m?.K T; = 350 °C h; = 90 W/m?.K Cross-sectional view of the pipe
Transcribed Image Text:Superheated steam at 350 °C flows through a pipe whose thermal conductivity is kp = 16 W/m.K. The inner diameter and thickness of the pipe are 26 cm and 1 cm, respectively. The surrounding temperature is 28 °C. The convective heat transfer coefficient at the steam side and the outside of the pipe is 90 W/m?.K and 15 W/m?.K, respectively. Derive an expression for the temperature profile across the pipe thickness as a function of the radial position r. T. = 28 °C, h, = 15 W/m?.K T; = 350 °C h; = 90 W/m?.K Cross-sectional view of the pipe
Consider the steam pipe of Problem 1. The objective is to reduce the heat losses from the steam pipe by 90% using a layer of glass fiber as the insulation. Determine the required thickness of the insulation. The thermal conductivity of the glass fiber is 0.04 W/m.K. Insulation
Transcribed Image Text:Consider the steam pipe of Problem 1. The objective is to reduce the heat losses from the steam pipe by 90% using a layer of glass fiber as the insulation. Determine the required thickness of the insulation. The thermal conductivity of the glass fiber is 0.04 W/m.K. Insulation
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