Commonly Used Sensors: ▪ A fine wire is electrically heated to some temperature
above the ambient.
▪ The wire is cooled by the air flowing past it.
▪ Measuring resistance of the wire provides this
temperature indirectly.
▪ A relationship can be obtained between the resistance
of the wire and the flow speed.

Question

▪ A fine wire is electrically heated to some temperature
above the ambient.
▪ The wire is cooled by the air flowing past it.
▪ Measuring resistance of the wire provides this
temperature indirectly.
▪ A relationship can be obtained between the resistance
of the wire and the flow speed.

Smiling Bandicoot · Accepted Answer

Hotwire anemometer

Commonly Used Sensors

▪ A fine wire is electrically heated to some temperature above the ambient. ▪ The wire is cooled by the air flowing past it. ▪ Measuring resistance of the wire provides this temperature indirectly. ▪ A relationship can be obtained between the resistance of the wire and the flow speed.

Hotwire anemometer

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