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VENTILATION PERFORMANCE OF LARGE BUILDINGS: PREDICTION USING PRESSURIZATION MEASUREMENTS.

Author(s) : PERERA M. D. A. E. S.

Type of article: Article

Summary

THE PAPER PROVIDES A MODEL WHICH USES WHOLE-BUILDING LEAKAGE MEASUREMENTS TO PREDICT THE VENTILATION PERFORMANCE OF BUILDINGS AND ILLUSTRATES ITS USE BY APPLYING IT TO A LARGE, INDUSTRIAL BUILDING. AIR LEAKAGE MEASUREMENTS WITH THE BUILDING < AS FOUND > AND THEN WITH ITS LOADING DOORS SEALED SHOWED A 14 % REDUCTION AT AN INSIDE/OUTSIDE PRESSURE DIFFERENTIAL OF 25 PASCALS. USING THESE LEAKAGE CHARACTERISTICS, THE MODEL PREDICTED VENTILATION RATES WHICH CORRESPONDED WELL WITH MEASURED VALUES. THE BUILDING < AS-FOUND > WOULD HAVE, ON AVERAGE, AN AIR CHANGE RATE OF 0.5/H WHICH REDUCES BY 24 % WHEN THE LOADING DOORS ARE MADE AIRTIGHT. CALCULATIONS ALSO INDICATE THAT SUCH A RETROFIT MEASURE WOULD REDUCE BY 14 % THE TOTAL ENERGY REQUIRED FOR SPACE HEATING OVER THAT PERIOD.

Details

  • Original title: VENTILATION PERFORMANCE OF LARGE BUILDINGS: PREDICTION USING PRESSURIZATION MEASUREMENTS.
  • Record ID : 1992-1306
  • Languages: English
  • Source: Build. Serv. Eng. Res. Technol. - vol. 12 - n. 3
  • Publication date: 1991
  • Document available for consultation in the library of the IIR headquarters only.

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