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Poređenje LDA merenja kod vazdušnog toka u običnoj cilindričnoj i cilindričnoj cevi sa ravnim spoljašnjim zidom
The comparison of air flow LDA measurement in simple cylindrical and cylindrical tube with flat external wall
dc.creator | Ilić, Jelena | |
dc.creator | Ristić, Slavica | |
dc.creator | Čantrak, Đorđe | |
dc.creator | Janković, Novica | |
dc.creator | Srećković, Milesa | |
dc.date.accessioned | 2022-09-19T17:18:18Z | |
dc.date.available | 2022-09-19T17:18:18Z | |
dc.date.issued | 2013 | |
dc.identifier.issn | 1451-2092 | |
dc.identifier.uri | https://machinery.mas.bg.ac.rs/handle/123456789/1803 | |
dc.description.abstract | Primena 2D laser Dopler anemometarskih sistema je razmatrana za slučaj zatvorenog toka fluida u običnoj cilindričnoj i u cilindričnoj cevi sa ravnim spoljašnjim zidom. Zakoni geometrijske optike su primenjeni na centralne linije laserskih snopova. Izvedeni su izrazi za dislokacije mernih zapremina, uglove kalibracije i rastojanja centra merne zapremine od centra vidnog polja foto-detektora. Izrazi izvedeni u ovom radu su preimenjeni na određeni vrtložni tok u cevi. To je pokazalo nekoliko prednosti korišćenja obične cilindrične cevi u odnosu na danas omiljenije korišćenje cilindrične cevi sa ravnim spoljašnjim zidom. Ovi rezultati ukazuju na to da bi se sadašnje izbegavanje LDA merenja kod obične cilindrične cevi trebalo preispitati. | sr |
dc.description.abstract | The application of 2D laser Doppler anemometry systems is considered, in the case of fluid flow confined in simple cylindrical and in cylindrical tube with flat external surface of the wall. Geometric optics laws are applied to the central lines of laser beams. Measurement volume dislocations, calibration angles and distances of measurement volume centre from the photo-detector field of view centre are expressed. The expressions derived in this paper were applied to specific turbulent swirl flow in pipe. That revealed several advantages of use of a simple cylindrical tube over nowadays favored use of cylindrical tube with flat external surface. Those results suggest that current avoiding of laser Doppler anemometry measurements with simple cylindrical tubes should be reconsidered. | en |
dc.publisher | Univerzitet u Beogradu - Mašinski fakultet, Beograd | |
dc.relation | info:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35046/RS// | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | FME Transactions | |
dc.subject | Snell's law | en |
dc.subject | measurement volume dislocation | en |
dc.subject | laser doppler anemometry | en |
dc.subject | decalibration | en |
dc.title | Poređenje LDA merenja kod vazdušnog toka u običnoj cilindričnoj i cilindričnoj cevi sa ravnim spoljašnjim zidom | sr |
dc.title | The comparison of air flow LDA measurement in simple cylindrical and cylindrical tube with flat external wall | en |
dc.type | article | |
dc.rights.license | BY | |
dc.citation.epage | 341 | |
dc.citation.issue | 4 | |
dc.citation.other | 41(4): 333-341 | |
dc.citation.rank | M24 | |
dc.citation.spage | 333 | |
dc.citation.volume | 41 | |
dc.identifier.fulltext | http://machinery.mas.bg.ac.rs/bitstream/id/624/1800.pdf | |
dc.identifier.rcub | https://hdl.handle.net/21.15107/rcub_machinery_1803 | |
dc.identifier.scopus | 2-s2.0-84891689246 | |
dc.type.version | publishedVersion |