Convection and Radiation Heat Transfer Training Equipment Vocational Training Equipment

SR3026 Convection and Radiation Heat Transfer Training Equipment Vocational Training Equipment

The unit shall perform the following experiments and investigations:

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

determination of the heat quantity transferred by convection

determination of the heat transfer coefficient based on measured values

theoretical determination of the heat transfer coefficient based on the Nusselt number

comparison of the heat transfer in different gases

Specification

[1]heat transfer between heated metal cylinder and vessel wall by convection and radiation

[2]operation with various gases possible

[3]experiments in vacuum or at a slight positive gauge pressure

[4]electrically heated metal cylinder in the pressure vessel as experimental vessel

[5]temperature-controlled heating element

[6]vacuum generation with rotary vane pump

[7]instrumentation:

1 temperature sensor on the metal cylinder, 1 power sensor at the heating element,

1 Pirani pressure sensor,

1 piezo-resistive pressure sensor

[8]digital displays for temperature, pressure and heating power

Technical Data Heating element

output: 20W

radiation surface area: approx. 61cm²

Pressure vessel

pressure: -1…1,5bar

volume: 11L

Pump for vacuum generation

power consumption: 250W

nominal suction capacity: 5m³/h

final pressure with gas ballast: 3-10^-3^mbar

final pressure without gas ballast: 3-10^-3^mbar Measuring ranges

negative pressure: 0,5-10^-3^…1000mbar

pressure: -1…1,5bar rel.

temperature: 0…250°C

power: 0…23W

Dimensions and Weight LxWxH: 1340x790x1500mm

Weight: approx. 160kg

Material of construction: stainless steel