##### Learning objectives/experiments

- time dependency until the steady state is reached
- calculate the thermal conductivity λ of different metals
- calculate the thermal resistance of the sample
- heat transfer with different samples connected in series
- effect of sample length on heat transfer

#### WL 422

Determination of the coefficient of thermal conductivity for gaseous and liquid fluids

##### Learning objectives/experiments

- steady heat conduction in gases and liquids:
- determine the thermal resistance of fluids
- determination of thermal conductivities k for different fluids at different temperatures

- transient heat conduction in fluids:
- interpret transient states during heating and cooling

….

- interpret transient states during heating and cooling

#### WL 430

Heat conduction and convection

Investigation of heat conduction and convection using the example of a cooling fin

##### Learning objectives/experiments

- effect of heat conduction and convection on heat transfer
- effect of free and forced convection on heat transfer
- calculate convective heat transfers
- effect of different materials on heat conduction
- effect of sample length on heat transfer

#### WL 440

Calculation of convective heat transfer at different geometries: flat plate, cylinder, tube bundle

##### Learning objectives/experiments

- free and forced convection
- calculation of convective heat transfer at different geometries
- flat plate
- cylinder
- tube bundle

….

##### Learning objectives/experiments

- verify Lambert’s inverse-square law
- verify Stefan-Boltzmann law
- verify Kirchhoff’s law
- study transient behaviour
- create power balances

….

#### WL 362

Investigation of thermal and light radiation; thermal radiator and thermopile for the investigation of thermal radiation

##### Learning objectives/experiments

- Lambert’s direction law
- Lambert’s distance law
- Stefan-Boltzmann law
- Kirchhoff’s laws
- radiation absorption

….

- radiation absorption

##### Learning objectives/experiments

- linear heat conduction (plane wall)
- determination of temperature profiles for different materials
- determination of the temperature profile in case of a disturbance
- determination of the thermal conductivity λ

- radial heat conduction

….

#### WL 376

Thermal conductivity of building materials

Investigation of the insulation properties of typical materials from the building materials sector

##### Learning objectives/experiments

- determine the thermal conductivity λ of different materials
- determine the thermal resistance
- thermal conductivity λ for several samples connected in series (up to a thickness of 50mm)

#### WL 900

Steady-state and non-steady-state heat conduction

Linear heat conduction in metals; non-steady state temperature distribution

##### Learning objectives/experiments

- steady heat conduction
- transient heat conduction
- temperature/time profiles
- calculate thermal conductivity λ of different metals

#### WL 377

Heat transport between heating element and vessel wall by convection and radiation

##### Learning objectives/experiments

- experiments in vacuum
- heat transfer by radiation
- determination of the radiation coefficient

- experiments at ambient pressure or positive gauge pressure
- heat transfer by convection and radiation

….

- heat transfer by convection and radiation