Balancing Exhaust Ventilation Systems

Name: Balancing Exhaust Ventilation Systems
Brand: VDM Verlag Dr. Müller
SKU: 9783639120301
Price: 1174 CZK
Availability: InStock

Effectiveness of the Common Method in Balancing Exhaust Ventilation Systems

Autor: Vivek Balasubramanian

Jazyk:

Vazba: Brožovaná

Vydavatel: VDM Verlag Dr. Müller

Dostupnost: U nakladatele na objednávku

Odesíláme za 17-27 dnů

1 174 Kč

Dampers are used to adjust the distribution of §airflows in duct systems. The common (i.e., most §c...

Informace o knize

Autor

Vivek Balasubramanian

Jazyk

Angličtina

Vazba

Kniha - Brožovaná

Vydáno

2009

Stránek

EAN

9783639120301

Enbook ID

06820851

Vydavatel

VDM Verlag Dr. Müller

Hmotnost

124

Rozměry

150 x 220 x 4

Kompletní popis

Dampers are used to adjust the distribution of §airflows in duct systems. The common (i.e., most §commonly used) method is to adjust each damper in §turn so that the airflow through its branch equals §the desired level. Typically, the airflow through §each branch duct is estimated from the centerline §velocity pressure. To test the effectiveness of that §approach, dampers were adjusted on a seven branch, §full-sized experimental duct system. After adjusting §the dampers for a given condition, the percent §excess airflow (%Qexcess) for the system was §estimated as the amount above the ideal fan airflow §that would exist if the fan speed were adjusted so §that the lowest ratio of airflow to airflow goal for §any branch was unity. The lower the value of percent §excess airflow, the more perfectly balanced the §system was. The results varied with the level of the §target airflows. The excess airflow values were much §higher than the airflow values found by Dodrill §(2004) on the same system for the SPh Goal Ratio §method proposed by Guffey (2005). This analysis §should be useful to professionals in the fields of §HVAC and ventilation design.

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Balancing Exhaust Ventilation Systems

Effectiveness of the Common Method in Balancing Exhaust Ventilation Systems

Informace o knize

Kompletní popis

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