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Doppler type flow meter for saturated steam

Doppler type flow meter for saturated steam

Doppler type flow meter for saturated steam

(OP)
Has anybody experience or know about a supplier of a Doppler type flow meter for saturated steam ?

RE: Doppler type flow meter for saturated steam

Yes, but only if other proven technologies can't be used. Certain ultrasonic flow meter manufacturers have specific electronics designed for gas/steam flow measurement.   

RE: Doppler type flow meter for saturated steam

Doppler is often a risky flow meter selection in easy applications.  Steam does not sound like a good fit for a doppler flow meter.

RE: Doppler type flow meter for saturated steam

Doppler requires droplets so that there is something upon which for the sound waves to reflect.  No droplets if the steam is dry.  

A similar concept is time-of-transit, but it works on dry fluids.  There is an emitter on one side of the pipe.  Upstream, on the opposite side of the pipe, there is a receiver, and an identical receiver  the same distance downstream.  The difference in time betwheen when a ping hits the upstream receiver and the downstream receiver is directly a function of the velocity, thus a function of the flowrate.  

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