About: Linear Sources with Non-Linear Distribution of Soung Energy

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present contribution introduces a method of calculation of linear sources with non-linear distribution of radiation of sound energy. In practical circumstances we often meet sources the structures of which approach those of current HVAC ducts but with dimensions and mode of radiation completely different. Concerned are light stacks of factories, refuse incinerating plants, etc. The core of the problem is that a stack must be considered as a linear source where sound power is radiated in two parts. The first at the top of the stack (point source) and the second, considerably greater, by the outer surface of the stack (linear source). Sound power, however, is radiated by the outer surface of the stack in a non-linear mode and drops from the flue gas inlet to the top of the stack. In projects it is therefore very difficult to predict how must a stack radiate sound energy in order to prevent exceeding hygienically permissible limits. The present contribution introduces a method of calculation of linear sources with non-linear distribution of radiation of sound energy. In practical circumstances we often meet sources the structures of which approach those of current HVAC ducts but with dimensions and mode of radiation completely different. Concerned are light stacks of factories, refuse incinerating plants, etc. The core of the problem is that a stack must be considered as a linear source where sound power is radiated in two parts. The first at the top of the stack (point source) and the second, considerably greater, by the outer surface of the stack (linear source). Sound power, however, is radiated by the outer surface of the stack in a non-linear mode and drops from the flue gas inlet to the top of the stack. In projects it is therefore very difficult to predict how must a stack radiate sound energy in order to prevent exceeding hygienically permissible limits. (en)
Title	Linear Sources with Non-Linear Distribution of Soung Energy Linear Sources with Non-Linear Distribution of Soung Energy (en)
skos:prefLabel	Linear Sources with Non-Linear Distribution of Soung Energy Linear Sources with Non-Linear Distribution of Soung Energy (en)
skos:notation	RIV/68407700:21220/07:00131483!RIV15-MSM-21220___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6840770011)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bašta, Jiří Nový, Richard Kučera, Miroslav
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	431123
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/07:00131483
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Noise of HVAC equipment; Stack; Non-lineer emitter; Duct acoustics (en)
http://linked.open.../riv/klicoveSlovo	Non-lineer emitter Stack Duct acoustics Noise of HVAC equipment
http://linked.open...ontrolniKodProRIV	[BDE5FBBC5AE2]
http://linked.open...v/mistoKonaniAkce	Queensland
http://linked.open...i/riv/mistoVydani	Auburn
http://linked.open...i/riv/nazevZdroje	14th International Congress on Sound and Vibration
http://linked.open...in/vavai/riv/obor	JE
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Kučera, Miroslav Nový, Richard Bašta, Jiří
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2007-07-09 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Environmental Engineering of Building Services
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IIAV - International Institute of Acoustics and Vibration
https://schema.org/isbn	978-0-7334-2516-5
http://localhost/t...ganizacniJednotka	21220

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