Heat transfer in a refrigeration systems
Model No. HV-EXP5078
Heat transfer in a refrigeration systems Model of a refrigeration system with closed water circuit that is used as a cooling load 1 x w x h: 1000x600x1050mm, 100kg Hot water circuit with tank, heater, pump and temperature controller Hermetic piston compressor Coaxial evaporator and condenser Heater 300W Sight glass in the refrigerant circuit Instrumentation: bimetallic thermometers and rota meters Compressor: power consumption: 150W at -10°C, refrigerating capacity: 280W at 0/32°C Coaxial tube heat exchanger: capacity: 2kW at 45°C condensing temperature, DT=7K Circulating pump, 3 stages: 30-45-60W Max. Flow rate: 2.9m3/h, Max. head: 4m Heater 300 W Insulated water tank: 4.51tr Measuring ranges: temperature: 4x 060°C - flow rate: 2x 0331tr/h Mobile refrigeration unit with normal cooling stage and deep-freezing stage Selection of cooling stage via solenoid valves Individual and parallel operation of the cooling stages possible Cooling stages: insulated chambers with air-cooled evaporators Semi-hermetic piston compressor, air-cooled condenser Compressor: - power consumption: approx. 13TOW.
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