PLC-TPVB PLC Industrial Process Control for TPVB

VORTEX TUBE REFRIGERATOR UNIT - TPVB

INNOVATIVE SYSTEMS

The Vortex Tube Refrigerator Unit, "TPVB", is a unit designed to study the physical, mechanical and thermodynamic characteristics of a vortex tube.

See general description

General Description

The Vortex Tube Refrigerator Unit, "TPVB", is a unit designed to study the physical, mechanical and thermodynamic characteristics of a vortex tube.

This unit works with compressed air. The air, previously filtered to remove impurities, passes through a vortex tube, being possible to regulate the pressure of the inlet air and vary its temperature (these variables are measured before entering the vortex tube):

  • To study the influence of the inlet pressure variation it is possible to regulate the pressure with a regulating valve up to the maximum pressure set in the filter before.
  • To study the influence of the inlet temperature variation it is possible to vary the temperature with a concentric tubes heat exchanger, where the inlet current is cooled down or heated.

Air enters the vortex tube tangentially and rotating very quickly, as a result a cold air flow and a hot air flow are generated inside the vortex tube. They leave the tube by opposite ends, where there are two regulation valves to vary these air flows (cold fraction).

Hot air obtained at one end is measured by a flowmeter and its characteristics can be determined by a temperature sensor and a manometer. This air, with the suitable arrangement of the valves, can be either released or introduced into the heat exchanger to give its heat to the air current entering the vortex tube.

The cold current is obtained at the other end of the tube. It is also measured by a flowmeter, a temperature sensor and a manometer and it can also be recycled or not.

Several exchangeable vortex generators (nozzles) with different internal diameter are included.

Exercises and guided practices

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

  1. Function and operation of the vortex: demonstration of the cold and hot air generation without moving parts.
  2. Representation of the vortex curves:
  • Vortex curve in function of the inlet pressure.
  • Vortex curve in function of the inlet temperature.
  • Vortex curve for the refrigeration power:
    • In function of inlet temperature.
    • In function of inlet pressure.
  1. Refrigeration and/or efficiency capacity (COP, Coefficient of Performance):
  • In function of inlet temperature.
  • In function of inlet pressure.

MORE PRACTICAL EXERCISES TO BE DONE WITH THE UNIT

  1. Representation of the vortex curves:
  • Vortex curve varying the type of gas, "neither explosive nor corrosive".
  • Vortex curve in function of the hot and/or cold gas ratio.
  1. Distribution of the cold air flow.
  2. Study of the differences changing the vortex generator:
  • Vortex curve in function of the inlet pressure.
  • Vortex curve in function of the inlet temperature.
  • Vortex curve for the refrigeration power.
  • Coefficient of performance (COP).

Quality

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