Example 5A 1.0 mm diameter wire is maintained at a temp. of400 °C and exposed to a convection environmentat 40 °C with h= 120 W/m?. °C. Calculated thethermal conductivity that will just cause aninsulation thickness of 0.2 mm to produce a "criticalradius".Answer: k= 0.084 W/m.°C

Given details: d=1 mmr=0.5 mmh=120 W/m2°C Formula used: R=kh

A 1.0 mm diameter wire is maintained at a temp. of 400 °C and exposed to a convection environment at 40 °C with h= 120 W/m2. °C. Calculated the thermal conductivity that will just cause an insulation thickness of 0.2 mm to produce a "critical radius".

A 1.0 mm diameter wire is maintained at a temp. of 400 °C and exposed to a convection environment at 40 °C with h= 120 W/m2. °C. Calculated the thermal conductivity that will just cause an insulation thickness of 0.2 mm to produce a "critical radius".

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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