SR3026 Convection and Radiation educational training equipment Fluids Engineering Experiment 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
