AFT100 Steady State and Non Steady State Heat Conduction Vocational Training Equipment Thermal Training Equipment
1 Description Heat conduction is the transport of heat between the individual molecules in solid, liquid and gaseous media under the influence of a temperature difference. Steady heat conduction is the term used when heat transport is maintained permanently and uniformly by adding heat. In transient heat conduction, the temperature distribution in the body is dependent on location and time. Thermal conductivity λ is a temperature-dependent property of a material that indicates how well the heat propagates from a point in the material. It can be used to study both steady and transient heat conduction. The trainer consists of a heat source and a heat sink, between which cylindrical samples made of different metals are inserted. Each sample is fitted with 12 temperature measurement points. The temperature measurement points are designed to has as little influence on the temperature as possible and the core temperature of the sample is measured. The heat source consists of an electrically heated hot water circuit. An electronic controller ensures the heating water is kept at a constant temperature. The heat sink is realised by means of a water cooling system. An elevated tank ensures a constant cooling water flow rate. A temperature jump can be generated by appropriate regulation of the cooling water flow. A PC can be used to display the transient temperature distribution in the sample over time and place.Our price didn’t contain PC. The temperatures of the sample, heating and cooling water, as well as the electrical heating power and the cooling water flow rate are displayed digitally on the switch cabinet and can be transmitted simultaneously via USB directly to a PC where they can be analysed using the software included. The thermal conductivity λ can be calculated from the measured data. 2 Technical details Specification investigation of steady and transient heat conduction in metals determining the thermal conductivity λ heating water circuit as heat source, electronically regulated electric heater with PID controller elevated tank with overflow for generating a constant cooling water flow rate samples made of 5 different metals cooling water temperature and flow rate measurement digital displays: electric heating power, temperatures, cooling water flow rate software for data acquisition via USB under Windows 7, 8.1, 10 3 Technical data Heater output: 800W temperature: 20…85°C Samples, Ø 40mm 3x 450mm (copper, aluminium, brass) 2x 300mm (steel, stainless steel) Heating tank: ca. 2L Cooling tank: ca. 0,5L Elevated tank: ca. 6L Temperature sensors 12x thermocouple type K, along the sample 2x Pt100, in the cooling water 1x Pt100, in the heating water Measuring ranges temperature: 14x 0…100°C power: 0…1000W flow rate: 0,1…2,5L/min 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase, 120V, 60Hz, 1 phase UL/CSA optional
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