Finned tube heat exchanger Heat transfer between water and air; cross-flow operation Features - heat transfer between water and air in cross-flow - intuitive experiment execution via touch screen - integrated router for operation and control via an end device and for screen mirroring on up to 10 end devices: PC, tablet, smartphone - automatic identification of accessories via RFID technology Learning objectives/experiments - in conjunction with WL 110 supply unit -- function and behaviour of a finned tube heat exchanger -- determine the mean heat transfer coefficient -- influence of heat capacity -- compare with other heat exchanger types - PLC software specifically adapted to the accessories used -- learning module with theoretical fundamentals -- device description -- guided experiment preparation -- execution of the experiment -- graphical representation of: experimental section with measured values for temperature, heat fluxes on both sides of the heat exchanger -- data transfer via WLAN/LAN for versatile external use of the measured values and screenshots, e.g. evaluation in Excel Specification [1] finned tube heat exchanger for connection to WL 110 [2] heat transfer between water and air in cross-flow [3] supply and exhaust air duct with transparent front wall for a clear view of the heat exchanger [4] air flow generated by axial fan [5] water temperature recorded via WL 110 and additionally 2 temperature sensors for recording the air temperature and 1 sensor for recording the flow velocity [6] automatic identification of accessories via RFID technology and provision of the appropriate PLC software [7] experiments execution and display of the measured values via touch screen (HMI) [8] screen mirroring: access to ongoing experiments and experimental results from up to 10 terminals simultaneously via the local network [9] hot water supplied via WL 110 Technical data Finned tube heat exchanger - pipe section -- Ø inner: 12mm -- material: copper - fins -- number: 33 Axial fan - max. volumetric flow rate:: 170m3/h - power consumption: 6,5W Measuring ranges - temperature: 2x 0...100°C - flow velocity: 0...2,5m/s LxWxH: 617x243x307mm Weight: approx. 6kg