A pipe made of material A have an outside diameter of 30 cm and inside diameter of 25 cm. The pipe is insulated by 31cm thickness of Material B. The thermal conductivity of Material A and Material B is 70 and 11 respectively. If thewwtemperature of the inner layer of the pipe is 1200K, the temperature of the outside layer pipe is 1100K, and thetemperature on the outer layer of insulation is 350K. Find Q and Resistance to heat flow. L= 1.31 mm-Km-K

Given:r0=15 cmri=12.5 cmt=31 cmKA=70 W/m.KKB=11 W/m.KT1=1200 KT2=1100 KT3=350 KL=1.31 m

A pipe made of material A have an outside diameter of 30 cm and inside diameter of 25 cm. The pipe is insulated by 31 cm thickness of Material B. The thermal conductivity of Material A and Material B is 70 and 11- respectively. If the m-K m-K temperature of the inner layer of the pipe is 1200K, the temperature of the outside layer pipe is 1100K, and the temperature on the outer layer of insulation is 350K. Find Q and Resistance to heat flow. L= 1.31m

A pipe made of material A have an outside diameter of 30 cm and inside diameter of 25 cm. The pipe is insulated by 31 cm thickness of Material B. The thermal conductivity of Material A and Material B is 70 and 11- respectively. If the m-K m-K temperature of the inner layer of the pipe is 1200K, the temperature of the outside layer pipe is 1100K, and the temperature on the outer layer of insulation is 350K. Find Q and Resistance to heat flow. L= 1.31m

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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