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Different cooling fans operation regime influence on dust concentration distribution in tied cows house

Uticaj različitih režima rada krovnih ventilatora na raspored koncentracija prašine u objektu za vezano držanje krava

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Authors
Topisirović, Goran
Radojičić, Dušan
Radivojević, Dušan
Article (Published version)
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Abstract
Analysis of roof cooling fans function in several working regimes is presented. The main goal of the research was to define the influence of fan working regime on airborne dust particles concentration. Dust concentration is significant microclimate parameter in the livestock building. Increased dust concentration affects the animal and workers health. During the different fan speeds, the measurements were conducted in characteristic building sections. There were 48 measuring points selected, in 4 height levels, which totally covered the room. Comparative analysis of air flow velocities and dust concentrations showed that this fan setup may give satisfactory results. Certain working regimes were recommended for use, and the third speed step was emphasized.
U radu je prikazana analiza rada krovnih ventilatora u više režima rada, sa ciljem da se utvrdi uticaj intenziteta rada ventilatora na koncentraciju pojedinih frakcija prašine. Koncentracija prašine je bitan pokazatelj kvaliteta mikroklime u proizvodnim objektima. Prisustvo povećanih vrednost koncentracije prašine nepovoljno se odražava na zdravlje životinja ali i zaposlenih. Ispitivan je uticaj ventilatora pri različitim režimima rada (različitim brzinama rotora), pri čemu su merenja vršena u karakterističnim zonama objekta. Merenje temperature i relativne vlažnosti vazduha je izvršeno u 48 mernih tačaka, na 4 nivoa merenja, čime je objekat u potpunosti pokriven. Analiza rezultata merenja je otkrila kakvi su efekti rada ventilatora u pojedinim zonama objekta. Uporednom analizom sa brzinama strujanja vazduha u pojedinim režimima rada ventilatora, izveden je zaključak da ovakva postavka ventilatora može imati zadovoljavajuće efekte. Preporuka je da se koriste određeni režimi rada, preva...shodno treći stepen brzine rotora.

Keywords:
fan working regime / building ventilation / microclimate conditions / dust fraction / režim rada ventilatora / ventilacija objekta / mikroklima objekta / frakcija prašine
Source:
Poljoprivredna tehnika, 2009, 34, 4, 25-35
Publisher:
  • Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd

ISSN: 0554-5587

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_agrospace_1940
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/1940
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  • Radovi istraživača / Researchers’ publications
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Poljoprivredni fakultet

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