THAR22B Pompe à Chaleur + Cimatisation + Réfrigération 2 condenseurs et 2 évaporateurs (d'eau/d'air)

9.4.- RÉFRIGÉRATION
HEAT PUMP + AIR CONDITIONING + REFRIGERATION WITH 2 CONDENSERS AND 2 EVAPORATORS (WATER/AIR) - THAR22B

SYSTEMES INNOVANTS

The Heat Pump + Air Conditioning + Refrigeration with 2 Condensers and 2 Evaporators (Water/Air)), "THAR22B", has as aim introducethe student to the study of the heat pumps, air conditioning and refrigeration, as well as the analysis and determination of the operationtypical parameters of the unit depending on the two types of fluids used in the processes of evaporation and condensation (air and water).

Voir description générale

Expansions

ICAI

Logiciel Interactif pour l'Enseignement assisté par Ordinateur

NOUVELLES LIÉES

Setting up at TUMBA TVET SCHOOL
Setting up at TUMBA TVET SCHOOL
We want to talk to you about the latest installation we have carried out in Africa. Specifically, we went to the TUMBA TVET SCHOOL to install our THAR22B unit.
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Description Générale

The Heat Pump + Air Conditioning + Refrigeration with 2 Condensers and 2 Evaporators (Water/Air)), "THAR22B", has as aim introduce the student to the study of the heat pumps, air conditioning and refrigeration, as well as the analysis and determination of the operationtypical parameters of the unit depending on the two types of fluids used in the processes of evaporation and condensation (air and water).

This unit can have different applications, depending on the type of cold focus or hot focus used in the processes of evaporation andcondensation. This unit consists of the following stages:

  • Compression: This stage begins when the coolant enters to the compressor. This coolant iscompressed, increasing its pressure and temperature. To measure these variables theunit includes a manometer and a temperature sensor.
  • Condensation: The coolant has two possibilities: divert the coolant through the air condenser, or through the water condenser. The coolanttransfers its heat to the water (or to the air) that flows for the condenser. At the end of this stage, the pressure and the temperatureof the coolant are measured by means of a manometer and a temperature sensor.
  • Expansion: The coolant circulates through an accumulator and a filter, to retain particles of condensate, and a flow meter. Next it circulatesthrough the valve of expansion, which causes a fall of pressure and temperature of the coolant. At the end of this stage, the pressureand the temperature of the coolant are measured by means of a manometer and temperature sensor.
  • Evaporation: The coolant has two possibilities: divert the coolant through the air evaporator, or through the water evaporator. The coolant absorbs the heat of the water (or the air) that flows for the evaporator. At the end of this stage, the pressure and the temperature of the coolant are measured by means of manometer and a temperature sensor. Finally, the coolant circulates through a liquid separator to retain liquid particles before going on to the compressor.

The condensers and evaporators have different meters for the measure of the most important parameters (temperatures and flows). Inaddition, the unit includes a high pressure control to avoid an excess of pressure in the unit.

Des exercices et pratiques guidées

EXERCICES GUIDÉS INCLUS DANS LE MANUEL

  1. Determination of the inlet power, heat produced andperformance coefficient. Water as heat source. (Water-water heat pump).
  2. Determination of the inlet power, produced heat andperformance coefficient. Air as heat source. (Water-air heat pump).
  3. Determination of the inlet power, produced heat andperformance coefficient. Air as heat source. (Air-air heat pump).
  4. Determination of the inlet power, heat produced andperformance coefficient. Water as heat source. (Air- water heat pump).
  5. Preparation of performance curves of the unit at different inletand outlet temperatures. Water as heat source. (Water-water heat pump).
  6. Preparation of performance curves of the unit at different inletand outlet temperatures. Air as heat source. (Water-air heat pump).
  7. Preparation of performance curves of the unit at different inletand outlet temperatures. Water as heat source. (Air-water heat pump).
  8. Preparation of the performance curves of the unit at differentinlet and outlet temperatures. Air as heat source. (Air-air heat pump).
  9. Lay out of the steam compression cycle in a diagram P-Hand 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 andcomparison 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 andcomparison 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 andcomparison with the ideal cycle. Air as heat source. (Air-air heat pump).
  13. Preparation of the performance curves of the unit based onthe 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 unit based on the properties of the refrigerant and at different condensation andevaporation temperatures. Air as heat source. (Water-air heat pump).
  15. Preparation of the performance curves of the unit based on the properties of the refrigerant and at different condensation and evaporation temperatures. Water as heat source. (Air-waterheat pump).
  16. Preparation of the performance curves of the unit based on theproperties of the refrigerant and at different condensation and evaporation temperatures. Air as heat source. (Air- air heatpump).

PLUS D'EXERCICES PRATIQUES À EFFECTUER AVEC CETTE ÉQUIPEMENT

  1. Properties of the refrigerant R-513a.
  2. Enthalpy-Pressure diagram for the refrigerant R-513a.

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