TCRCT Unité de Refroidissement de Compression avec Différents Tubes Capillaires

REFRIGERATION UNIT WITH DIFFERENT CAPILLARY TUBES - TCRCT

SYSTEMES INNOVANTS

The Refrigeration Unit with Different Capillary Tubes, "TCRCT", designed by EDIBON, is clearly arranged and represents a typical compression refrigeration system with compressor.

Voir description générale

Description Générale

The Refrigeration Unit with Different Capillary Tubes, "TCRCT", designed by EDIBON, is clearly arranged and represents a typical compression refrigeration system with compressor.

The main components of the unit are the hermetic compressor, condenser, evaporator, expansion elements, reservoir and a receiver for refrigerant where, refrigerant can be added to or removed from the refrigeration circuit.

The unit includes three capillary tubes of different lengths and a thermostatic expansion valve for the comparison of serveral expansion elements.

The evaporator and the condenser are finned tube heat exchangers. In both exchangers there are transparent tubes to observe the change of state of the coolant during the evaporation and the condensation.

An additional storage tank for the refrigerant is included to study the effects of overfilling and underfilling the system.

The main factors involved in the cycle can be measured: coolant flow, compressor power and pressure and temperature in key points of the cycle.

The circuit also includes a sight glass to observe the state of the coolant fluid, a filter, a storage vessel to ensure a proper flow of coolant in the circuit and a liquid separator to prevent liquid from entering the compressor. As a safety measure, the circuit includes a high pressure switch and a low pressure switch.

Des exercices et pratiques guidées

EXERCICES GUIDÉS INCLUS DANS LE MANUEL

  1. Function and operational behaviour of the refrigeration circuit components.
  2. Identification and study of the main components of a compression refrigeration system:
  • Compressor.
  • Evaporator.
  • Condenser.
  • Expansion valve.
  1. Study and comparation of work with different expansión elements:
  • Expansion valve.
  • Capillary tubes of different lengths.
  1. Study of effect of underfilling or overfilling of the system with refrigerant.
  2. Study of finned tube exchagers heat in use witch condenser and evaporator in compression refrigeration circuit.
  3. Representation of the thermodynamic cycle in the log p - h diagram.
  4. From the log p - h diagram and in comparison with the measured values:
  • Determination of the refrigeration capacity.
  • Determination of the coefficient of performance.
  • Determination of the efficiency of the compressor.

PLUS D'EXERCICES PRATIQUES À EFFECTUER AVEC CETTE ÉQUIPEMENT

  1. Properties of the R134a refrigerant.
  2. Enthalpy-pressure diagram for the R134a refrigerant.
  3. Several other exercises can be done and designed by the user.

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