MR030 Vapour Jet Compressor Training System Didactic Equipment Heat Transfer Demo Equipment
The System Should cover the following Training Objective: Familiarization with compression refrigeration systems based on the vapour jet method Investigation of clockwise and anticlockwise Rankine cycle Investigation of energy balances calculation of the coefficient of performance of the refrigeration circuit Familiarization with thermodynamic cycle in the log p-h diagram Investigation of operating behaviour under load Familiarization with solar thermal vapour jet refrigeration Practice of solar heat for cold production Components of solar refrigerating plants according to the vapour jet method Operation of a vapor jet compressor on a solar thermal flat collector Optimization of the operating point Extended concept on the use of thermal solar plants Energy management for solar thermal cooling systems Investigation of the functions of the flat collector and the solar circuit Acquiring the net power Investigation of relationship between flow and net power Acquiring the collector efficiency Investigation of relationship between temperature difference (collector/environment) and collector efficiency
The System comprising the following:
Vapour Jet Compressor Unit
Minimum Technical Specifications Required (like or better than): The system is placed on a rigid frame of four castor wheels Refrigeration circuit with condenser, evaporator and vapour jet compressor of 1,7mm min. diameter of convergent-divergent nozzle and 7mm min. diameter of mixing jet for refrigerant Vapour circuit with pump and vapour generator for operating the vapour jet compressor Transparent tank: 3.5L with water-cooled pipe coil of area: 0.17m2 as condenser Transparent tank: 3.5L with adjustable heater as an evaporator of power: 4x 125W Flooded evaporator with float valve as expansion element Vapour generator with electrically heated water jacket Vapour generator refrigerant tank of 0.75L, 9L water jacket, 2kW heater power Pump of maximum flow rate:1,7L/min and maximum head: 70mWS Flow meter to measure flow rate (cooling water) of range 0 to 1.5 2x pressure sensors of range 0 to 10bar and another 2x of range -1 to 9bar 12x temperature sensors of range -20 to 100°C Power measuring range: 0 to 750W and 0 to 3kW Data acquisition software USB interface PC Core i7, DVD+/-RW, 8GB RAM, 1TB Hard Disk Drive, Optical Mouse, Multimedia Keyboard, Monitor (21") LED
Solar Heat Supply Unit
Minimum Technical Specifications Required (like or better than): feed line to the vapour generator with temperature and flow rate measurement return line with temperature measurement measured values transferred to Vapor Jet Compressor Unit for further processing in the software Pump with power consumption: 40Wm max. flow rate: 1m3/h and head: 4,8m Temperature measuring ranges: 2x 0 ~ 120 °C flow rate measuring range: 10 ~ 300 L/h
Domestic Water Heating Unit
Minimum Technical Specifications Required (like or better than): The system is placed on a rigid frame of four castor wheels Selectively absorbing coating solar thermal flat collector Adjustable collector tilt angle Solar circulation station with pump, expansion vessel and safety valve (4bar) Hot water circuit (of absorbing surface: 2.3m2, rated throughput: 20 to 200L/h and operating pressure: 1 to 3bar) with buffer tank (of capacity: 70L), pump and plate heat exchanger (of 3kW, 10 plates) 4x bimetallic thermometers: 0 to 120°C Solar controller with temperature, flow and illuminance sensors Data logger and SD memory card Flow rate sensor measuring range varies from 20 to 300L/h Artificial Light Source Unit 8 KW