TAAU Equipamento de Ar Condicionado para Automóveis

9.2.- VENTILAÇÃO, CALEFAÇÃO, AR CONDICIONADO E ÁGUA QUENTE SANITÁRIA
AUTOMOBILE AIR CONDITIONING UNIT - TAAU

SISTEMAS INOVADORES

The objective of the Automobile Air Conditioning Unit, "TAAU", designed by EDIBON is to introduce the student into the complex world of air conditioning systems, as well as to study and determine the optimum parameters for the operation of the unit in relation to the basic functions of a car.

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Descrição Geral

The objective of the Automobile Air Conditioning Unit, "TAAU", designed by EDIBON is to introduce the student into the complex world of air conditioning systems, as well as to study and determine the optimum parameters for the operation of the unit in relation to the basic functions of a car.

The Automobile Air Conditioning Unit, "TAAU", consists, basically, of a compressor driven through a belt by a motor that simulates the engine of a car. The number of revolutions of the engine and, therefore, the compressor, can be adjusted with a variable frequency drive.

The air supplied by the fans enters the cooling system through the condenser to undergo a refrigeration cycle through that system.

There is also an evaporator with fan, expansion valve, filter and storage tank.

Apart from the air conditions change, the unit has been designed to study the refrigeration circuit too by strategically locating temperature sensors, monometers and flowmeters, which enable the user to study the refrigeration cycle.

All the components of the system are typical elements employed in the car industry and are directed to the practice.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

  1. Study of the typical elements of a refrigeration system.
  2. Simulation of the speed variation of a car.
  3. Cooling in function of the condenser’s fan.
  4. Cooling in function of the compartment inlet.
  5. Energy balance in the evaporator and condenser.
  6. Determination of the performance of the system.
  7. Experimental determination of the air specific heat capacity.
  8. Optimum determination of the parameters that take part in an air conditioning process.
  9. Calibration of sensors.

EXERCÍCIOS MAIS PRÁTICOS A SEREM FEITOS COM A UNIDADE

  1. Usage of psychrometric chart.
  2. Properties of the refrigerant R-513a.
  3. Enthalpy-pressure diagram for the refrigerant R-513a.

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