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2. A 12 cm diameter long bar initially at a uniform temperature of 40C is placed in a medium at 650C with a convective co efficient of 22 W/m2K calculate the time required for the bar to reach 255C. Take k = 20W/mK, p = 580 kg/m3 and c = 1050 J/kg K.

2. A 12 cm diameter long bar initially at a uniform temperature of 40C is placed in a medium at 650C with a convective co efficient of 22 W/m2K calculate the time required for the bar to reach 255C. Take k = 20W/mK, p = 580 kg/m3 and c = 1050 J/kg 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
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2. A 12 cm diameter long bar initially at a uniform temperature of 40C is placed in a medium at 650C with a convective co efficient of 22 W/m2K calculate the time required for the bar to reach 255C. Take k = 20W/mK, p = 580 kg/m3 and c = 1050 J/kg K.
Transcribed Image Text:2. A 12 cm diameter long bar initially at a uniform temperature of 40C is placed in a medium at 650C with a convective co efficient of 22 W/m2K calculate the time required for the bar to reach 255C. Take k = 20W/mK, p = 580 kg/m3 and c = 1050 J/kg K.
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