Bangladesh University of Engineering and Technology
ME 267: Mechanical Engineering Fundamentals
Credit hours: 3.00
Problems on One dimensional Heat Transfer
Sourav Saha
Lecturer
Department of Mechanical Engineering,
BUET
Email address: ssaha09@me.buet.ac.bd, souravsahame17@gmail.com
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1
Bangladesh University of Engineering and Technology
In order to solve the problems of one dimensional heat transfer we
need to solve an ordinary differential equation with specific boundary
conditions
Depending on the nature of the problem we have to understand
whether to use rectangular, cylindrical or spherical co-ordinate
system.
Bangladesh University of Engineering and Technology
Different boundary conditions
1)
2)
3)
4)
5)
6)
Specified Temperature Boundary Condition.
Specified heat flux boundary condition.
Insulated boundary.
Thermal symmetry.
Convection boundary condition.
Radiation boundary condition.
1) Specified Temperature Boundary Condition
Bangladesh University of Engineering and Technology
Different boundary conditions
2) Specified Heat Flux Boundary Condition
3) Insulated Boundary Condition
Bangladesh University of Engineering and Technology
Different boundary conditions
4) Thermal Symmetry
5) Convection Boundary condition
Bangladesh University of Engineering and Technology
Different boundary conditions
6) Radiation Boundary Condition
Bangladesh University of Engineering and Technology
Problem 1
d 2T g
0.
2
dx
k
Bangladesh University of Engineering and Technology
Problem 1
Bangladesh University of Engineering and Technology
Problem 1
Bangladesh University of Engineering and Technology
Problem 1
10
Bangladesh University of Engineering and Technology
Problem 1
11
Bangladesh University of Engineering and Technology
Problem 2
12
Bangladesh University of Engineering and Technology
Problem 2
13
Bangladesh University of Engineering and Technology
Problem 2
14
Bangladesh University of Engineering and Technology
Problem 3
15
Bangladesh University of Engineering and Technology
Problem 3
16
Bangladesh University of Engineering and Technology
Problem 4
17
Bangladesh University of Engineering and Technology
Problem 4
18
