TH322 · Heat Conduction & Convection

Experimental bench for the study of heat conduction and convection

Laboratory experiments

Fourier's law — material dependence of heat conduction.
Effect of specimen length on heat dissipation.
Free convection — heat transfer in still air.
Forced convection — effect of airflow velocity on heat transfer.
Free vs. forced convection — comparative analysis.
Temperature distribution along the fin — visualising the thermal gradient.
Calculation of convective heat transfer coefficients.

TH322 — Heat conduction and convection bench

Overview

Heat conduction and convection are two of the three fundamental mechanisms of heat transfer, and in practice they rarely act in isolation. The TH322 bench is designed to make these phenomena directly observable and quantifiable — giving students the tools to move from abstract theory to measured, reproducible data within a single laboratory session.

The working principle is elegantly straightforward: a metal specimen is heated at one end and dissipates heat to the surrounding air along its length, behaving as a classic cooling fin — one of the most ubiquitous elements in engineering design. An array of six axial fans mounted below the specimen allows the instructor to switch seamlessly between free convection (still air) and forced convection (controlled airflow), while six temperature sensors capture the resulting thermal gradient in real time.

Key features

Unified study of heat conduction and convection in a single compact bench
Six included specimens — four short and two long — in copper, aluminium, brass, and steel
Six axial fans with continuously adjustable flow rate for controlled forced-convection conditions
Eight calibrated temperature sensors; heating power and air velocity displayed live in software
Microprocessor-based instrumentation fully integrated into the housing — no additional wiring required
USB connection to any Windows PC; unlimited observer workstations via LAN/WLAN with a single licence
Integrated Sangari Connected Learning e-learning platform with multimedia didactic materials

TH322 annotated diagram

TH322 software interface

TH322 data analysis

Heater

Heating power 30 W

Temperature limit 160 °C

Ventilators (×6)

Max. flow rate 40 m³/h

Nominal speed 14 400 min⁻¹

Power consumption 7.9 W

Specimens — short (×4)

Active length 104 mm

Heat transfer area 32.6 cm²

Materials Copper, aluminium, brass, steel

Specimens — long (×2)

Active length 154 mm

Heat transfer area 48.4 cm²

Materials Copper, steel

Measuring ranges

Air velocity 0 … 10 m/s

Temperature 0 … 325 °C (×8 sensors)

Heater power 0 … 30 W

SPARE
PARTS

15 YEARS

Sangari

WARRANTY

5 YEARS