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Flow sensor

CFD for flow simulation: Characterisation of a sensor in relation to air flow and heat transmission.

Short Description

Characterisation of a sensor in relation to air flow and heat transmission.

Project background

One of the divisions at E+E Elektronik is concerned with the development and manufacture of sensors for measuring relative humidity and flow rate. E+E flow sensors operate on the hot-film anemometer principle and are produced using thin-film technology. Meanders made of metal are fabricated on a 0.1 mm thick glass substrate and an electric current passed through them to heat up the glass. The heated glass substrate is cooled by the flow. The flow rate can be calculated from the strength of the electric current required to maintain the glass substrate at constant temperature.

Project content

The project consisted of CFD simulation of the flow sensor. This primarily involved simulating the air flow and heat transmission for characterising the sensor.

CTR services

  • CFD simulation
  • Graphic display, evaluation and interpretation of the results by CTR experts

Project facts

Name: Flow sensor
Partner: E+E Elektronik GmbH
Duration: 1 month

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