t = 30 + 0.9563 (62.2- 30) = 60.79°C (Ans.)Example 4.14. A very thin glass walled 3 mm diameter mercury thermometer is placed in astream of air, where heat transfer coefficient is 55 W/m2°C, for measuring the unsteady temperatureof air. Consider cylindrical thermometer bulb to consist of mercury only for which kand a = 0.0166 m2/h. Calculate the time required for the temperature change to reach half its finalor,%3D8.8 W/m C%3Dvalue.

Answered: Image /qna-images/answer/cd738faf-b362-434f-9403-b3a78493b4a1.jpg

Answered: and a = 0.0166 m-/h. Calculate the time…

Engineering

Mechanical Engineering

and a = 0.0166 m-/h. Calculate the time required for the temperature change to reach half its final value.

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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