Numerical study of the effects of the separation-element configuration on the characteristics of a shock tube

Shock tubes are used for dynamic calibrations of pressure meters in the frequency domain because they have the ability to generate a nearly ideal pressure step. If the shock tube includes a fast-opening valve, the shock wave formed in such a shock tube differs from those generated in shock tubes wit...

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Bibliographic Details
Published inMeasurement. Sensors Vol. 18; p. 100101
Main Authors Hernández Castro, Javier, Svete, Andrej, Kutin, Jože
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.12.2021
Elsevier
Subjects
Numerical simulations
OpenFOAM
Quick acting valve
Shock tube
Supersonic flow
OpenFOAM
Supersonic flow
Numerical simulations
Quick acting valve
Shock tube
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Summary:Shock tubes are used for dynamic calibrations of pressure meters in the frequency domain because they have the ability to generate a nearly ideal pressure step. If the shock tube includes a fast-opening valve, the shock wave formed in such a shock tube differs from those generated in shock tubes with a diaphragm. The paper presents a numerical study of the effects of valve geometry on shock-wave formation and flow characteristics after the shock-wave front.
ISSN:2665-9174
2665-9174
DOI:10.1016/j.measen.2021.100101