Thermodynamics of the Refrigeration Circuit Teaching Equipment Fridge Training Equipment

Thermodynamics of the Refrigeration Circuit Teaching Equipment Fridge Training Equipment

SR2014 Thermodynamics of the Refrigeration Circuit Teaching Equipment Fridge Training Equipment for college, vocational training center, university. 

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SR2014 Thermodynamics of the Refrigeration Circuit Teaching Equipment Fridge Training Equipment

Learning Objectives / Experiments

– cyclic process in the log p-h diagram

– comparison of the real cyclic process and the ideal cyclic process

– energy balances at the evaporator and condenser

– calculation of the motor power via speed and torque

– determination of losses

– calculation of the coefficient of performance

– operating behaviour under load

– non-steady-state operating behaviour

Specification

[1] thermodynamic investigation of a refrigeration circuit

[2] refrigeration circuit with open compressor, watercooled condenser, thermostatic expansion valve and indirectly heated evaporator

[3] compressor drive with speed-controlled motor via V-belt

[4] motor on pendulum bearing for torque measurement

[5] tube evaporator with hot water circuit as cooling load

[6] water-cooled coaxial coil heat exchanger as condenser

[7] displays for temperature, pressure, flow rate, speed, torque and power at the equipment

[8] software for data acquisition via USB under Windows Vista or Windows 7

[9] refrigerant R134a, CFC-free

Technical Data

Open compressor

– refrigeration capacity: approx. 550W (at a speed

of 500min-1 and -10/20°C)

– motor: 550W, 1.400min-1

Heater: 1x 1.000W

Condenser

– capacity: 1.300W

Measuring ranges

– temperature: 9x -30…100°C, 1x 0…100°C

– pressure: 1x -1…9bar, 1x -1…24bar, 2x -1…15bar

– torque (compressor): 0…10Nm

– speed (compressor): 0…2.500min-1

– power consumption (compressor): 0…1.125W

– power (heater): 0…1.125W

– flow rate (water): 5…70g/s

– flow rate (refrigerant): 0…0,5L/min

Dimensions and Weight

LxWxH: 1.520x790x1.760mm

Weight: approx. 120kg

Required for Operation

230V, 50/60Hz, 1 phase

Water connection

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