Bimetallic Strip Thermometers - How Thermometers Work | HowStuffWorks - coiled bimetal strip as a motor

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Chapter 5: Thermodynamics -- A simple bimetal heat engine coiled bimetal strip as a motor


A bimetallic strip is used to convert a temperature change into mechanical displacement. . A coil of wire is used to heat a bimetal strip, which bends and operates a . Video of a circular bimetallic wire powering a small motor with iced water.

In our heat engine, we use only the most important part of the thermometer, the bimetal strip. The first engine shown here uses a large coil from a big eight dollar .

The bimetallic strip thermometer, because it is made of metal, is good at controlling things. You will often find long bimetallic strips coiled into spirals. This is.