Ventilation for buildings — Calculation methods for the ...

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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.

natural duct ventilation system ventilation system where the air is moved by natural forces into the building through leakages (infiltration) and openings (ventilation), and leaves the building through leakages, openings, cowls or roof outlets including vertical ducts used for extraction 3.12 mechanical ventilation system ...

  Ventilation, Natural