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TH321 · Free and Forced Convection

Experimental Apparatus for the Study of Heat Transfer by Free or Forced Convection

Laboratory experiments
  • Free and forced convection
  • Convective heat transfer on different geometries
    • flat plate
    • cylinder
    • tube bundle
  • Experimental determination of the Nusselt number
  • Characteristic variables of heat transfer
    • Nusselt number
    • Reynolds number
  • Flow formation and heat transfer
  • Local heat transfer around the cylinder
  • Temperature distribution on the flat plate
  • Transient heating process
TH321 - free and forced convection apparatus
Overview

    A vertical air duct with a variable-speed fan, in which one of four interchangeable heaters is studied in free or forced convection.

TH321 - the apparatus with the heated cylinder fitted, and its four interchangeable heaters
Clear plexiglass tunnel
120x120x600 mm
Temperature sensors
1 at the air inlet, 1 at the air outlet, 1 inside each of the heaters and 1 for heater surface measurements
Installed heater
One of the four interchangeable heaters
quick and tool-free installation
Variable-speed fan
free or forced convection
Base plate
Heated cylinder
Tube bundle
Flat plate
Heated foil cylinder
TH321 - the apparatus with the heated cylinder fitted, and its four interchangeable heaters
Clear plexiglass tunnel
120x120x600 mm
Temperature sensors
1 at the air inlet, 1 at the air outlet, 1 inside each of the heaters and 1 for heater surface measurements
Installed heater
One of the four interchangeable heaters
quick and tool-free installation
Variable-speed fan
free or forced convection
Base plate
Heated cylinder
Tube bundle
Flat plate
Heated foil cylinder
TH321 working principle
Real Time Data Acquisition and Control Software
    TH321 software interface
    TH321 software interface
Connectivity
    Internet LAB TH321 Live Data On-site student Live Data Remote student WiFi

    The apparatus is equipped with Sangari Connect technology, which allows students to view live data and control the device both from computers in the lab and remotely.

General Features
  • Study of heat transfer by free and forced convection
  • Adjustable heating level
  • Adjustable air fan flow rate
  • Temperatures, heating load and air velocity displayed in the software interface
E-learning Platform
    Access to the Sangari eLearning platform, developed specifically to support modern education. Through this platform students can access courses, interactive materials and practical exercises directly from their own devices, enabling active, collaborative learning suited to a digital generation.
Heating Elements
    Bundle of 23 tubes (variable heating position)
      Heating power 40 W
      Heat transfer surface 31.4 cm²
    Cylinder with uniform surface temperature
      Heating power 40 W
      Heat transfer surface 110 cm²
    Plate
      Heating power 40 W
      Heat transfer surface 110 cm²
    Cylinder with heating foil for the study of local heat transfer
      Heating power 40 W
      Heat transfer surface 110 cm²
Air Duct
    Flow cross-section 120x120 mm
    Height 0.6 m
Axial Fan
    Maximum flow rate 310 m³/h
Measuring Ranges
    Air velocity 0…6 m/s
    Temperature 0…120 °C (4 sensors)
    Heating power 0…50 W
220V
L 670 W 880 H 350 mm
PC
Student's Handbook
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Part of package

Fundamentals of Heat Transfer

TH311 - heat conduction in metals apparatus TH321 - free and forced convection apparatus
TH322 - Heat conduction and convection bench TH541 - Steady-state and transient heat conduction bench

Aquire a solid understanding of thermodynamics with this complete set of experimental equipment covering the core topics in heat transfer - conduction and convection.

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