Foundation of Technical Education College of Technical/ Basrah

Third year 32 Lectures

Lectures of Heat Transfer
Heat Transfer Rate Processes
Mode Conduction Convection Radiation Transfer Mechanism Diffusion of energy due to random molecular motion Diffusion of energy due to random molecular motion plus bulk motion Energy transfer by electromagnetic waves Rate of heat transfer (W)

q = - kA

dT dx

q = h A(Ts-T∞) q = σ ε A(Ts4-Tsur4)

By Mr. Amjed Ahmed Ali

Syllabus of Heat Transfer (English),
(2 hours/ week, Applied 2 hours /week) 1.Heat transfer by conduction, convection and radiation 2.One-dimensional steady state conduction 3.Systems with conduction-convection 4.Radial systems(cylinder and sphere) 4. Overall heat transfer coefficient 5. Critical thickness of the insulator 6. Heat source systems 7. Extended Surface (Fins) 8. Resistance to heat contact 9. Unsteady state conduction • Complete heat capacity system • Limited conditions of convection • Application and Hessler's diagrams 11. Multi-dimensions systems 12. Principles of heat transfer by convection 13. Boundary layer for laminar and turbulent flow 14. Thermal boundary layer for laminar and turbulent flow 15. Analogy between fluid friction and heat transfer 16. Experimental relations of heat transfer by forced convection inside pipes 17. Flow through cylindrical and spherical bodies 18. Flow through bundle of tubes 19. Heat exchangers Scaling Mean logarithmic difference of temperature NTU method 20. Heat transfer by radiation 21. Properties of radiation 22. Body in thermal radiation 23. Relation between coefficient and the body 24. Heal exchange between non-black bodies 25. Radiation barriers Hours 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 4 1 1 2 1 2 2 2 2 2

Ch 1: Introdaction

3rd Year College of Technical

Chapter Oneِ Introduction
Introduction
A consider the cooling of a hot steal rod which is water Thermodynamics may be used to predict the temperature of the rod-water...

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