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Pregled bibliografske jedinice broj: 593324

Two vs. three blade propeller - cockpit noise comparison


Miljković, Dubravko; Ivošević, Jurica; Bucak, Tino
Two vs. three blade propeller - cockpit noise comparison // AAAA 2012 Proceedings / Bucak, Tino ; Jambrošić, Kristian (ur.).
Zagreb: Acoustical Society of Croatia, 2012. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Two vs. three blade propeller - cockpit noise comparison

Autori
Miljković, Dubravko ; Ivošević, Jurica ; Bucak, Tino

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
AAAA 2012 Proceedings / Bucak, Tino ; Jambrošić, Kristian - Zagreb : Acoustical Society of Croatia, 2012

ISBN
978-953-95097-1-0

Skup
5th Congress of the Alps Adria Acoustics Association

Mjesto i datum
Petrčane, Hrvatska, 12. - 14.09.2012

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
propeller; noise; cockpit

Sažetak
The noise generated by propeller efficiently masks other noise sources in GA aircraft and is composed of tonal and broadband components. The former are more dominant than the latter ones and comprise fundamental blade passing frequency along with harmonics that are dependent on number of propeller blades and propeller rotational speed. Cockpit noise arises when propeller noise in the form of pressure pulses enters the cabin through the windshield and excites the interior air volume. While aircraft performance envelope with two vs. three blade propeller can be quite narrow regarding cruise speed vs. faster acceleration and improved climb, interior noise levels and spectrum are expected to differ distinctly. In this paper the contribution of two vs. three blade propeller to overall aircraft interior noise was investigated. Furthermore, spectral properties of interior noise, human preference and influence to speech intelligibility have been analyzed.

Izvorni jezik
Engleski

Znanstvena područja
Elektrotehnika, Tehnologija prometa i transport, Zrakoplovstvo, raketna i svemirska tehnika



POVEZANOST RADA


Projekti:
036-0361630-1633 - Predviđanje, motrenje i zaštita od buke (Domitrović, Hrvoje, MZOS ) ( POIROT)
135-1352339-2349 - Parametri ekoloških utjecaja na razvoj infrastrukture i transportnih sustava (Bucak, Tino, MZOS ) ( POIROT)

Ustanove:
Fakultet prometnih znanosti, Zagreb

Profili:

Avatar Url Tino Bucak (autor)

Avatar Url Jurica Ivošević (autor)

Avatar Url Dubravko Miljković (autor)

Citiraj ovu publikaciju

Miljković, Dubravko; Ivošević, Jurica; Bucak, Tino
Two vs. three blade propeller - cockpit noise comparison // AAAA 2012 Proceedings / Bucak, Tino ; Jambrošić, Kristian (ur.).
Zagreb: Acoustical Society of Croatia, 2012. (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Miljković, D., Ivošević, J. & Bucak, T. (2012) Two vs. three blade propeller - cockpit noise comparison. U: Bucak, T. & Jambrošić, K. (ur.)AAAA 2012 Proceedings.
@article{article, year = {2012}, keywords = {propeller, noise, cockpit}, isbn = {978-953-95097-1-0}, title = {Two vs. three blade propeller - cockpit noise comparison}, keyword = {propeller, noise, cockpit}, publisher = {Acoustical Society of Croatia}, publisherplace = {Petr\v{c}ane, Hrvatska} }
@article{article, year = {2012}, keywords = {propeller, noise, cockpit}, isbn = {978-953-95097-1-0}, title = {Two vs. three blade propeller - cockpit noise comparison}, keyword = {propeller, noise, cockpit}, publisher = {Acoustical Society of Croatia}, publisherplace = {Petr\v{c}ane, Hrvatska} }




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