Refrigeration cycle experimental apparatus
Refrigeration cycle experimental apparatus
This is a tabletop refrigeration system using refrigerant R134a. You will learn about the pressure-enthalpy diagram (p-h diagram) and derive subcooling and superheating, as well as the coefficient of performance (COP) from the enthalpy changes. The refrigeration circuit is equipped with high and low pressure gauges, pressure switches, a thermal expansion valve, a sight glass, and a dryer. The evaporator coil (evaporator) and condenser coil (condenser) submerged in the water tank accurately collect temperature changes, clearly demonstrating the heat pump. The water in the tank is circulated by a pump to maintain a steady state. High and low pressures and temperatures of each component are digitally displayed on the control panel's LCD screen, and various data can be displayed and collected on a PC (sold separately) using the included VDAS software. The compressor inlet temperature, thermal expansion valve inlet temperature, and low and high pressures are used to plot the p-h diagram, calculating cooling effect and heating effect (kJ/kg), compressor work (kJ/kg), cooling coefficient of performance (COPc), heating coefficient of performance (COPh), degree of subcooling (K), degree of superheating (K), and more.
- Company：メガケム
- Price：Other
