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77253 Heat Transfer
Danish title: Varmetransmission

Type: Å, Language: D
Credit points: 5 point
Previous course: C7133
Offered by: Department of Energy Engineering (ET)
No credit points with: C7133
Prerequisite: 01030/01031/01032.77141
Recommended semester: 4th -7th semester
Examination: Written exam (13 point scale )
Contact person: H.J. Høgaard Knudsen, ET, Building 402, Tel. +45 4525 4121
Aim: Introduction to heat transfer processes and their mathematical description concerning practical use within design and measuring techniques.
Contents: Conduction. Solutions to the differential equation for steady and unsteady heat conduction in solids. Thermal resistance, overall heat transfer coefficient. Fins with constant heat transfer coefficient. Electrical analogy. Convection. Dimensionless parameters. Thermol energy equation. Correlations used in practice for convection without phase change. Heat transfer during phase change: Condensation, boiling and evaporation in one component system. Radiation. Properties of surfaces. Absorption, emission. Radiation between black surfaces, radiation between gray surfaces. View factors. Heat exchangers.