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DETERMINATION OF AIR EXCHANGE IN PUBLIC BUILDING PREMISES HAVING LARGE AREA OF TRANSLUCENT STRUCTURES

https://doi.org/10.21122/2227-1031-2017-16-2-125-130

Abstract

The paper considers reasons of internal air parameter mismatch in warm season of the year for public building premises having large area of translucent structures. The main reason of uncomfortable air environment is an underestimated value of air supply volume due to air exchange calculation according to multiplicity factor or air exchange rate per one person which are determinative values only for cold period and transient conditions. In other words multiplicity factor and air exchange rate do not take into account equipment abundance in modern offices and heat input of the office equipment is rather significant value. The paper contains an analysis and comparison of the existing air exchange rates for the Republic of Belarus, Russian Federation, European countries and USA. Calculation of heat input and air exchange for public building premises during warm season of the year for assimilation of evident heat excess has been made at various orientations of curtain walls. The paper provides structure of heat input into premises. The required rate of air supply volume per one person has been determined on the basis of air exchange and it has been compared with the existing air exchange rate. The required rate averagely exceeds the standard one by 12-fold. But this does not mean that there is necessity to increase the rate in such a way because it entails an increase in capital and operational costs. In this connection the paper reviews variants for improvement of micro-climate in the building premises with large area of translucent structures: automatic regulation of heat transfer in heating appliances during cold period of the year; usage of air conditioning and increase in temperature difference of input and output air during warm period.

About the Authors

L. V. Borukhava
Belarusian National Technical University
Belarus

Associate Professor, PhD in Engineering 

Address for correspondence: Borukhava Liliya V. Belarusian National Technical University – 150 Nezavisimosty Ave., 220013, Minsk, Republic of Belarus. Tel.: +375 17 265-97-29   fgv_fes@bntu.by


A. S. Shybeka
Belarusian National Technical University
Belarus

Engineer


References

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Review

For citations:

Borukhava L.V., Shybeka A.S. DETERMINATION OF AIR EXCHANGE IN PUBLIC BUILDING PREMISES HAVING LARGE AREA OF TRANSLUCENT STRUCTURES. Science & Technique. 2017;16(2):125-130. https://doi.org/10.21122/2227-1031-2017-16-2-125-130

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ISSN 2227-1031 (Print)
ISSN 2414-0392 (Online)

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220013, Minsk, Republic of Belarus
Tel. +375 17 320-65-14
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supported by NEICON (Elpub lab)