A spherical pure aluminum ball has a diameter of 9 mm and initially at 750°C. It is exposed to ambient air at 30°C with the average convective heat transfer coefficient 50 W/m?. i. How long it is required for spherical ball to reach 90°C? ii. Calculate the total heat transferred during the process.

A spherical pure aluminum ball has a diameter of 9 mm and initially at 750°C. It is exposed to ambient air at 30°C with the average convective heat transfer coefficient 50 W/m?. i. How long it is required for spherical ball to reach 90°C? ii. Calculate the total heat transferred during the process.

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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