7.  Modelling and Simulation of the Electrothermal Gas Micro-Flowmeter Static Behaviour

Authors: R.C. Moldovan, D. Perju, M. Suta, M. Calisevici, S. Marinescu


Abstract:

The complex problem of small gas flow measuring in chemical industry pilot plants represents a constant field of research. So, the electrothermal gas micro-flowmeter realized in the Chemical Processes Automation Laboratory of the Industrial Chemistry and Environmental Engineering Faculty of Timisoara, fits the laboratory apparatus requirements. The studied flowmeter can be used with high accuracy as measuring transducer for automatic adjustments of small gas flows. The mathematical correlation of the main constructive and functional parameters of the apparatus allowed obtaining of mathematical models for the assessment of certain predictions of the flowmeter behaviour. The simulation of the static behaviour of the electrothermal gas micro-flowmeter has proven to be a functional simulation and the operation equation can be considered a valid model due to the fact that its manipulation is a real and correct representation of the real system operation.


Keywords: flowmeter, flow measurement, mathematical modeling, simulation, static behaviour

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