WL 377 Convection And Radiation Didactic Equipment Vocational Training Equipment Thermal Lab Equipment
Heat transport between heating element and vessel wall by convection and radiation Features - 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 -- 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 [9] software for data acquisition via USB under Windows 10
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: 370W - nominal suction capacity: 5m3/h - final pressure with gas ballast: 2-10-3mbar - final pressure without gas ballast: 7-10-2mbar Measuring ranges - negative pressure: 0,5-10-3...1000mbar - pressure: -1...1,5bar rel. - temperature: 0...250°C - power: 0...23W 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase; 120V, 60Hz, 1 phase UL/CSA optional LxWxH: 1340x790x1500mm Weight: approx. 160kg