Vapour jet compressor in refrigeration Cold production using thermal energy. Transparent condenser and evaporator allow the view into the inner workings. Features - refrigeration system with vapour jet compressor - cold production using heat - transparent condenser and evaporator - together with ET 352.01 and HL 313: using solar heat as drive energy for the vapour jet compressor Learning objectives/experiments - understanding compression refrigeration systems based on the vapour jet method - clockwise and anticlockwise Rankine cycle - energy balances - calculation of the coefficient of performance of the refrigeration circuit - thermodynamic cycle in the log p-h diagram - operating behaviour under load - solar thermal vapour jet refrigeration Specification [1] investigation of a vapour jet compressor [2] refrigeration circuit with condenser, evaporator and vapour jet compressor for refrigerant [3] vapour circuit with pump and vapour generator for operating the vapour jet compressor [4] transparent tank with water-cooled pipe coil as condenser [5] water supply via the lab network or via WL 110.20 Water chiller to ensure a maximum water temperature of 14°C [6] transparent tank with adjustable heater as evaporator [7] flooded evaporator with float valve as expansion element [8] vapour generator with heated water jacket (electrically or solar thermally using ET 352.01, HL 313) [9] refrigerant R1233zd, GWP: 1 [10] GUNT software for data acquisition via USB under Windows 10 Technical data Vapour jet compressor - dmin convergent-divergent nozzle: approx. 1,7mm - dmin mixing jet: approx. 7mm Condenser - tank: approx. 3,5L - pipe coil area: approx. 0,17m2 Evaporator - tank: approx. 3,5L - heater power: 4x 125W Vapour generator - refrigerant tank: approx. 0,75L - water jacket: approx. 9L - heater power: 2kW Pump - max. flow rate: approx. 1,7L/min - max. head: approx. 70mWS Refrigerant: R1233zd, GWP: 1, filling volume: 5kg, CO2-equivalent: 0t Measuring ranges - temperature: 12x -20...100°C - pressure: 2x 0...10bar; 2x -1...9bar - flow rate: 2x 0...1,5L/min, 1x 30...320L/h - power: 1x 0...750W, 1x 0...3kW 230V, 50Hz, 1 phase 230V, 60Hz, 1 phase, 230V, 60Hz, 3 phases UL/CSA optional LxWxH: 1460x790x1890mm Weight: approx. 225kg