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Št. zadetkov: 3
Effect of the dynamic response of a side-wall pressure measurement system on determining the pressure step signal in a shock tube using a time-of-flight method
Andrej Svete, Francisco Javier Hernández Castro, Jože Kutin
Izvirni znanstveni članek
Oznake: časovno spreminjajoči tlak;primarna kalibracijska metoda;brezmembranske udarne cevi;metoda časa letenja;hitrost udarnega vala;piezoelektrični merilni sistemi za tlak;analiza negotovosti;time-varying pressure;primary calibration method;diaphragmless shock tubes;time-of-flight method;shock wave velocity;piezoelectric pressure measurement systems;uncertainty analysis;
Technological progress demands accurate measurements of rapidly changing pressures. This, in turn, requires the use of dynamically calibrated pressure meters. The shock tube enables the dynamic characterization by applying an almost ideal pressure step change to the pressure sensor under calibration ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Effects of the opening speed of the valve in a diaphragmless shock tube for metrological purposes
Francisco Javier Hernández Castro, Jože Kutin, Andrej Svete
Izvirni znanstveni članek
Oznake: diaphragmless shock tubes;numerical simulations;OpenFOAM;primary calibration method;shock wave formation;time-varying pressure;
To develop a measurement system for calibrating high-frequency dynamic pressure that is capable of acting as a primary dynamic pressure calibration standard, a new concept of the shock tube, called the diaphragmless shock tube, has recently been developed. In most such shock tubes, the diaphragm is ...
Leto: 2024 Vir: Fakulteta za strojništvo (UL FS)
Method for correction of the systematic errors in detected shock wave passage times in the shock tube
Francisco Javier Hernández Castro, Andrej Svete, Jože Kutin
Objavljeni znanstveni prispevek na konferenci
Oznake: brezmembranske udarne cevi;časovno spreminjajoči tlak;metoda časa preleta;dinamični odziv;korekcija;diaphragmless shock tubes;time-varying pressure;time-of-flight method;dynamic response;correction;
The most important uncertainty component of the pressure step signal determined at the end-wall of the shock tube is associated with the uncertainties of the shock wave velocity and the arrival time of the shock front. Both are determined using a time-of-flight method and are therefore greatly affec ...
Leto: 2022 Vir: Fakulteta za strojništvo (UL FS)
Št. zadetkov: 3
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