Transcription of Ventilation for buildings — Calculation methods …
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Document type: European Standard Document subtype: Document stage: Formal Vote Document language: E J:\Intcom\CEN\CEN 156\prEN 15242\prEN STD Version CEN/TC 156 Date: 2006 prEN 15242 CEN/TC 156 Secretariat: BSI Ventilation for buildings Calculation methods for the determination of air flow rates in buildings including infiltration ICS: Descriptors: prEN 15242:2006 (E) 2 Contents Page Foreword .. 4 introduction .. 5 1 7 2 Normative references .. 7 3 Terms and 8 4 Symbols and abbreviations .. 10 5 General 11 6 Instantaneous Calculation (iterative method).. 14 Basis of the Calculation method .. 14 Mechanical air flow Calculation .. 15 introduction .. 15 Required air flow qv-sup-req and qv-exh 15 Cuse 15 Ventilation effectiveness 15 Local air flow control Coefficient 16 Csyst coefficient .. 16 Duct leakagecoefficient 16 AHU leakage coefficient 16 Indoor and outdoor leakage Coefficient.
prEN 15242:2006 (E) 5 Introduction This standard defines the way to calculate the airflows due to the ventilation system and infiltration. The relationships with some other standards are as follows:
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Two Steps forward in Ventilation, INTRODUCTION, Ventilation, Practical Guide to Mechanical Ventilation, Vent-Axia Ventilation Design Guidelines, Vent-Axia Ventilation Design Guidelines Introduction, Mechanical, Reference Standard 13 REFERENCE STANDARD, Mechanical ventilation, PEDIATRIC VENTILATION GUIDELINES