THIBAR44B Réversible Pompe à Chaleur + Climatisation+ Réfrigération avec 4 condenseurs et 4 évaporateurs (d'eau/d'air)

RERVERSIBLE HEAT PUMP + AIR CONDITIONING + REFRIGERATION WITH 4 CONDENSERS AND 4 EVAPORATORS (WATER/AIR) - THIBAR44B

SYSTEMES INNOVANTS

The Rerversible Heat Pump + Air Conditioning + Refrigeration with 4 Condensers and 4 Evaporators (Water/Air), "THIBAR44B", has asaim introduce the student to the study of the heat pumps, air-conditioning and cooling, as well as to analyze and determine the operationtypical parameters of the unit depending on the two types of fluids used in the evaporation and condensation processes (air and water).

Voir description générale

Description Générale

The Rerversible Heat Pump + Air Conditioning + Refrigeration with 4 Condensers and 4 Evaporators (Water/Air), "THIBAR44B", has asaim introduce the student to the study of the heat pumps, air-conditioning and cooling, as well as to analyze and determine the operationtypical parameters of the unit depending on the two types of fluids used in the evaporation and condensation processes (air and water).

This unit can have different applications, depending on the type of cold focus or hot focus used in the evaporation and condensationprocesses.

This unit consists of the following stages:

  • Compression: this stage begins when the coolant enters the compressor. This coolant is compressed, increasing its pressure and temperature. To measure these variables the unit includes a manometer and a temperature sensor.
  • Condensation: the coolant has two possibilities, to be diverted towards the air condenser or towards the water condenser. The coolant transfers its heat to the water (or to the air) that flows through the condenser. At the end of this stage, the pressure and temperature of the coolant are measured with a manometer and a temperature sensor.
  • Expansion: the coolant flows through an accumulator and a filter, to retain particles of condensate, and a flow meter. Then it is directed to the expansion valve, which causes a pressure and temperature drop in the coolant. At the end of this stage the pressure and temperature of the coolant are measured with a manometer and a temperature sensor.
  • Evaporation: the coolant has two possibilities, to be diverted towards the air evaporator or towards the water evaporator. The coolant absorbs the heat of the water (or the air) that flows through the evaporator. At the end of this stage the pressure and temperature of the coolant are measured with a manometer and a temperature sensor. Finally, the coolant passes through a liquid separator to retain liquid particles before being directed to the compressor.

The unit includes a high pressure switch to avoid overpressure in the unit and a four-way valve to change the direction of the coolant.

The four-way valve (or cycle inversion valve) allows to obtain different combinations of Heat Pump, Air Conditioning and Cooling in only one unit.

Des exercices et pratiques guidées

EXERCICES GUIDÉS INCLUS DANS LE MANUEL

  1. Determination of the inlet power, generated heat and performance coefficient. Water as heat source. (Water-water heat pump).
  2. Determination of the inlet power, generated heat and performance coefficient. Air as heat source. (Water-air heat pump).
  3. Determination of the inlet power, generated heat and performance coefficient. Air as heat source. (Air-air heat pump).
  4. Determination of the inlet power, generated heat and performance coefficient. Water as heat source. (Air- water heat pump).
  5. Preparation of performance curves of the heat pump with different inlet and outlet temperatures. Water as heat source. (Water-water heat pump).
  6. Preparation of performance curves of the heat pump at different inlet and outlet temperatures. Air as a heat source. (Water-air heat pump).
  7. Preparation of performance curves of the heat pump with different inlet and outlet temperatures. Water as heat source. (Air-water heat pump).
  8. Preparation of the performance curves of the heat pump with different inlet and outlet temperatures. Air as heat source. (Air-air heat pump).
  9. Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Water as heat source. (Water-water heat pump).
  10. Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Air as heat source. (Water-air heat pump).
  11. Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Water as heat source. (Air-water heat pump).
  12. Lay out of the steam compression cycle in a diagram P-H and comparison with the ideal cycle. Air as heat source. (Air-air heat pump).
  13. Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Water as heat source. (Water-water heat pump).
  14. Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Air as heat source. (Water-air heat pump).
  15. Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Water as heat source. (Air-water heat pump).
  16. Preparation of the performance curves of the heat pump based on the properties of the refrigerant and at different condensation and evaporation temperatures. Air as heat source. (Air- air heat pump).
  17. Practices with cycle inversion.
  18. Sensors calibration.

PLUS D'EXERCICES PRATIQUES À EFFECTUER AVEC CETTE ÉQUIPEMENT

  1. Energy balance for the different components and for the complete cycle.
  2. Evaluation of the volumetric effectiveness of the compressor at different pressure relations.
  3. To estimate of the total thermotransference coefficient at the condenser and evaporator.
  4. Energy balance at the air evaporator.
  5. To estimate of the exchange heat at the water evaporator and outlet temperature of the water.
  6. Determination of the characteristic parameters of the steam compression cooling.
  7. Characteristic parameters of the steam compression cycle.
  8. Influence of overheating and overcooling during the operating cycle.

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