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Naslov:Improved method for shot particle velocity measurement within a shotblasting chamber
Avtorji:ID Hribernik, Aleš (Avtor)
ID Bombek, Gorazd (Avtor)
Datoteke:URL http://dx.doi.org/10.1016/j.flowmeasinst.2005.10.002
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:This paper presents the application of two axially-spaced impact detecting sensors for correlation-based shot velocity measurement. The sensors were placed directly into the flow of shot particles for sensing the particles' impact. The implementation of cross-correlation for phase shift determination, however, was not an easy task. Several extensive improvements were necessary, before the original measurement system, already presented in this journal in December 2003, was capable of reliable velocity measurements. This paper presents the development of the system and optimisation of its components. The construction of a sensor built from a small microphone encapsulated in a metal housing and placed under a protective shield was optimised for a high ratio of frontal to side impact signal alteration. High vibration damping was also necessary. It was achieved by the combination of a well-weighted design for supporting elements and by a careful selection of used materials. These measures improved the similarity of the signals generated by the particlesć impact, significantly, and allowed the use of cross-correlation. The accuracy of the obtained results increased drastically by the application of cross-correlation, signal filtering was unnecessary and the signal processing was much faster.
Ključne besede:velocity measurements, shotblasting
Leto izida:2006
PID:20.500.12556/DKUM-25676 Novo okno
UDK:532.57:531.76
COBISS.SI-ID:10263830 Novo okno
ISSN pri članku:0955-5986
NUK URN:URN:SI:UM:DK:NQK4T2JB
Datum objave v DKUM:30.05.2012
Število ogledov:2203
Število prenosov:127
Metapodatki:XML DC-XML DC-RDF
Področja:Ostalo
:
HRIBERNIK, Aleš in BOMBEK, Gorazd, 2006, Improved method for shot particle velocity measurement within a shotblasting chamber. Flow measurement and instrumentation [na spletu]. 2006. [Dostopano 16 marec 2025]. Pridobljeno s: http://dx.doi.org/10.1016/j.flowmeasinst.2005.10.002
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Gradivo je del revije

Naslov:Flow measurement and instrumentation
Skrajšan naslov:Flow meas. instrum.
Založnik:Butterworth
ISSN:0955-5986
COBISS.SI-ID:169755 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:meritve hitrosti, hitrost delcev, zaznavanje udarcev peska, stroj za peskanje, abrazija, pulzno delovanje turbine, mikrofonski senzorji


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