TCLFB Unité de Transfert de Chaleur par Convection Libre et Forcée

9.6.- TRANSFERT DE CHALEUR

SYSTEMES INNOVANTS

The Free and Forced Convection Heat Transfer Unit, "TCLFB", allows to study the efficiency ofdifferent exchangers, analyzing the heat transmission coefficients of each exchanger exposedto different airflows.

Voir description générale

Expansions

ICAI

Logiciel Interactif pour l'Enseignement assisté par Ordinateur

Description Générale

The Free and Forced Convection Heat Transfer Unit, "TCLFB", allows to study the efficiency ofdifferent exchangers, analyzing the heat transmission coefficients of each exchanger exposedto different airflows.

Fan placed in the upper part of the tunnel allows controlling the airflow that goes through thetunnel.

Electronic console contains the control circuits to measure temperatures, electrical control,electrical supply and speed control of the fan.

The airflow is measured with a flow sensor set at the inferior part of the tunnel.

This unit allows making a study of the heat transmission in three different types of exchangers:

  • Flat exchanger.
  • Pins exchanger.
  • Fins exchanger.

Des exercices et pratiques guidées

EXERCICES GUIDÉS INCLUS DANS LE MANUEL

  1. Demonstration of the basic principles of free and forcedconvection.
  2. Comparison between free and forced convection.
  3. Free convection in flat surfaces.
  4. Forced convection in flat surfaces.
  5. Dependence of the heat transmission with the temperature.
  6. Dependence of the heat transmission with the speed of thefluid.
  7. Dependence of the heat transmission with the exchangergeometry.
  8. Temperature distribution in the additional surfaces.
  9. Study of the advantage of using pinned and finned surfaces inheat transmission in free convection.
  10. Study of the advantage of using pinned and finned surfaces inheat transmission in forced convection.
  11. Comparative study between the free convection of a horizontalsurface and vertical surface.
  12. Determination of the Reynolds and Nusselt numbers.

UNITÉS SIMILAIRES DISPONIBLES

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