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Digital compensation of pressure sensors in the time domain

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Abstract

This contribution presents an innovative technique to determine the transfer function of pneumatic and fast-response pressure probes. The dynamic response is determined experimentally with pressure step-tests. In the case of conventional instrumentation fast-opening valves or balloon explosions are used. For the fast-response pressure sensors, shock tube tests are performed. The response of the probe is fitted in the time domain with the response of an m-order linear system. This numerical system is then used to correct the lag and dynamic error of the measurement chain.

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Authors and Affiliations

  1. Von Karman Institute for Fluid Dynamics 72 Chaussée de Waterloo 1640 Rhode St Genése, Belgium, , , , , , BE

    G. Paniagua & R. Dénos

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  1. G. Paniagua
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  2. R. Dénos
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Received: 27 November 2000 / Accepted: 4 July 2001

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Paniagua, G., Dénos, R. Digital compensation of pressure sensors in the time domain. Experiments in Fluids 32, 417–424 (2002). https://doi.org/10.1007/s003480100355

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  • DOI: https://doi.org/10.1007/s003480100355

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