Department of Mechanical Engineering, Unit Catalogue 2008/09 |
ME40060 Heat transfer |
| Credits: 6 |
| Level: Masters |
| Semester: 1 |
| Assessment: CW 20%, EX 80% |
| Requisites: |
| Before taking this unit you must take ME30031 or take ME30037 |
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Aims: To extend the student's ability to model thermal conduction in solids, and convective heat transfer in fluids.
Learning Outcomes: After taking this unit the student should be able to: * Understand the concepts and equations governing heat transfer by conduction and be able to solve heat transfer problems of engineering importance. * Understand the concepts and equations governing heat transfer by convection and be able to solve heat transfer problems of engineering importance. * Understand the concepts and equations governing heat transfer by radiation and be able to solve heat transfer problems of engineering importance. Skills: Problem solving; numeracy; working independently; written communication. Content: HEAT CONDUCTION: Derivation of the general equation of conduction. Analytical and numerical solution of selected steady-state and transient conduction problems. CONVECTIVE HEAT TRANSFER: Review of the basic concepts of buoyancy-driven and forced convection. Derivation of the boundary layer momentum and energy equations for laminar flow. Turbulence and its effect on heat transfer, empirical methods of solution for turbulent flow. Laminar and turbulent flow in engineering heat transfer applications. Thermal Resistances and the lumped system approach. Convective boiling heat transfer. THERMAL RADIATION: Review of principles of radiative heat transfer. Formulation of radiation equations for numerical solution and application to engineering heat transfer problems. Heat transfer problems involving combined modes of conduction, convection and radiation heat transfer. Topic for self study that could be examined. |