Theory + Problem 1 on Unsteady/ Transient Heat transfer process with Negligible I T G

1. Which are the important formulae used in Unsteady state heat transfer process on bodies with negligible Internal Temperature Gradient (ITG)

2. Solve 1 Problem on Unsteady state heat transfer process.
A ball bearing is in the form of 4 mm diameter sphere . Properties of material are Cp= 420 J/kgK, density= 8000 kg/m^3, K= 40 W/mK
This ball is initially at 40°C inserted in a steam of hot air after 10 seconds and is kept in a still air at 30°C. Assuming h= 10W/m^2K in still air. Find the temperature attained by the junction 20 seconds after removing from hot air steam . Also find
1. Initial and final rate of heat transfer
2. Net energy transferred in complete process.
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Видео Theory + Problem 1 on Unsteady/ Transient Heat transfer process with Negligible I T G канала Edutech Guru Engineering Learning-By Priyanka ma'am

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21 марта 2023 г. 1:10:04

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Edutech Guru Engineering Learning-By Priyanka ma'am

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