Thermal Conductivity Ring Set, 4 Different Metals
$41.00(Ex GST)
- Cast conductivity ring holding four strips, brass, copper, iron, aluminium, for direct thermal conductivity comparison.
- Strip ends meet at central point, heat applied at junction ensures identical input for fair metal comparison.
- Wax placed in tip depressions, melting order and time indicate conduction efficiency along each metal strip.
- Each strip stamped with metal initial, supports correct identification and repeatable classroom demonstrations.
- Classic heat transfer practical for conduction concepts, clear visual results using simple flame heating method.
- Description
Description
The IEC conductivity ring is a classic heat transfer demonstration for comparing thermal conductivity of different metals under identical heating conditions. A strong cast ring holds four metal strips, brass, copper, iron, and aluminium, arranged so their inner ends meet at a central point. The central junction is heated over a flame to drive heat outward along each strip.
A small piece of wax is placed in the depression at the tip of each strip. The order and speed at which the wax melts provides a clear, visible comparison of how effectively each metal conducts heat. Each strip is stamped with the metal initial, supporting correct identification during demonstrations and student practicals.
FAQs
Q: What does the conductivity ring demonstrate?
A: Differences in thermal conductivity between brass, copper, iron, and aluminium.
Q: How is the ring heated during the experiment?
A: The central point where the strips meet is heated over a flame.
Q: What is the role of the wax?
A: Wax melting indicates heat reaching the strip tips, comparing heat conduction between metals.
Q: Which metals are included in the ring?
A: Brass, copper, iron, and aluminium strips.
Q: How are the metals identified?
A: Each strip is stamped with the initial of the metal.
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