EN 16211:2015
(Main)Ventilation for buildings - Measurement of air flows on site - Methods
Ventilation for buildings - Measurement of air flows on site - Methods
This European Standard specifies simplified methods for the measurement of air flows on site. It provides a description of the air flow methods and how measurements are performed within the margins of stipulated method uncertainties.
One measurement method is to take point velocity measurements across a cross-section of a duct to obtain the air flow. This simplified method is an alternative to the method described in ISO 3966 and EN 12599. This European Standard requests certain measurement conditions (length of straight duct and uniform velocity profile) to be met to achieve the stipulated measurement uncertainties for the simplified method.
Lüftung von Gebäuden - Luftvolumenstrommessung in Lüftungssystemen - Verfahren
Diese Norm gilt für die Messung von Luftvolumenströmen in Lüftungssystemen. Sie legt eine Beschreibung der Verfahren für Luftvolumenströme dar und wie Messungen innerhalb der für das Verfahren vorgeschriebenen Toleranzen durchgeführt werden.
Ein Messverfahren beruht auf der Messung von Punktgeschwindigkeiten über einen Querschnitt einer Luftleitung, um die Luftvolumenströmung zu bestimmen. Dieses vereinfachte Verfahren ist eine Alternative zu demn in ISO 3966 und EN 12599 beschriebenen Verfahren. Diese Norm setzt bestimmte Messumgebungen voraus (Länge gerader Luftleitungen und einheitliches Geschwindigkeitsprofil), die eingehalten werden müssen, um die vorgeschriebenen Toleranzen des vereinfachten Verfahrens zu erreichen.
Systèmes de ventilation pour les bâtiments - Mesurages de débit d'air dans les systèmes de ventilation - Méthodes
La présente Norme européenne spécifie des méthodes simplifiées pour le mesurage des débits d’air sur site. Elle fournit une description des méthodes de débit d’air et indique la façon dont les mesurages sont réalisés dans les marges d'incertitude de la méthode stipulée.
Une méthode de mesurage consiste en la prise de mesurages de la vitesse des points sur une section transversale d’un conduit afin d’obtenir le débit d’air. Cette méthode simplifiée est une variante de la méthode décrite dans l’ISO 3966 et l’EN 12599. La présente Norme européenne nécessite que certaines conditions de mesure (longueur de conduit droit et profil de vitesse uniforme) soient satisfaites afin d’obtenir les incertitudes de mesure spécifiées pour la méthode simplifiée.
Prezračevanje stavb - Meritve pretoka zraka v sistemu prezračevanja - Metode
Ta evropski standard določa poenostavljene metode za meritve pretoka zraka v sistemu prezračevanja. Podaja opis načinov pretoka zraka in kako se izvajajo meritve znotraj mejnih vrednosti negotovosti predpisane metode.
Pri eni merilni metodi je treba za izračun pretoka zraka meritve hitrosti točke prenesti prek preseka cevi. Ta poenostavljena metoda je alternativa metodi, opisani v standardih ISO 3966 in EN 12599. Ta evropski standard zahteva, da so izpolnjeni nekateri merilni pogoji (dolžina ravne cevi in enoten hitrostni profil), da je mogoče doseči predpisane merilne negotovosti za poenostavljeno metodo.
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Lüftung von Gebäuden - Luftvolumenstrommessung in Lüftungssystemen - VerfahrenSystèmes de ventilation pour les bâtiments - Mesurages de débit d'air dans les systèmes de ventilation - MéthodesVentilation for buildings - Measurement of air flows on site - Methods91.140.30VLVWHPLVentilation and air-conditioningICS:Ta slovenski standard je istoveten z:EN 16211:2015SIST EN 16211:2015en,fr,de01-september-2015SIST EN 16211:2015SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16211
July 2015 ICS 17.120.10; 91.140.30 English Version
Ventilation for buildings - Measurement of air flows on site - Methods
Systèmes de ventilation pour les bâtiments - Mesurages de débit d'air dans les systèmes de ventilation - Méthodes
Lüftung von Gebäuden - Luftvolumenstrommessung in Lüftungssystemen - Verfahren This European Standard was approved by CEN on 5 March 2015.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
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B-1000 Brussels © 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 16211:2015 ESIST EN 16211:2015
.......................................................................................................................................... 7 4.4 Dynamic pressure, pd ............................................................................................................................ 7 4.5 Corrections for air density,
............................................................................................................... 8 5 Sources of errors .................................................................................................................................. 8 5.1 General ................................................................................................................................................... 8 5.2 Systematic errors .................................................................................................................................. 9 5.3 Random errors ..................................................................................................................................... 10 6 Measurement uncertainty ................................................................................................................... 10 6.1 Overall measurement uncertainty ..................................................................................................... 10 6.2 Standard instrument uncertainty, u1 ................................................................................................. 11 6.3 Standard method uncertainty, u2 ....................................................................................................... 11 6.4 Standard reading uncertainty, u3 ....................................................................................................... 11 6.5 Expanded measurement uncertainty, Um ......................................................................................... 11 7 Measurement requirements ............................................................................................................... 12 7.1 Method requirements and corrections ............................................................................................. 12 7.2 Measurements using a manometer ................................................................................................... 12 7.3 Measurements using an anemometer ............................................................................................... 13 7.4 Measurements using Pitot static tube .............................................................................................. 13 7.5 Measuring temperature and barometric pressure ........................................................................... 13 7.6 Mean value calculation of measurement signal ............................................................................... 13 8 Methods for measurement of air flows in ducts – ID (In Duct) methods ....................................... 13 8.1 Overview of recommended methods ................................................................................................ 13 8.2 Point velocity measurements using a Pitot static tube (method ID 1) or an anemometer (method ID 2) ....................................................................................................................................... 14 8.2.1 Method description ............................................................................................................................. 14 8.2.2 Preparations to be made at the site of measurement ..................................................................... 15 8.2.3 Measurement procedure .................................................................................................................... 18 8.2.4 Corrections of measured values and calculation of air flow .......................................................... 19 8.2.5 Standard method uncertainty ............................................................................................................ 20 8.3 Fixed devices for flow measurement – Method ID 3 ........................................................................ 20 8.3.1 Method description ............................................................................................................................. 20 8.3.2 Preparations of measurements — Equipment ................................................................................. 20 8.3.3 Measurement procedure .................................................................................................................... 21 8.3.4 Correction of measured values ......................................................................................................... 21 8.3.5 Standard method uncertainty ............................................................................................................ 21 8.4 Tracer gas measurement – Method ID 4 ........................................................................................... 21 8.4.1 Method description ............................................................................................................................. 21 8.4.2 Equipment ............................................................................................................................................ 22 8.4.3 Calculation of air flow ......................................................................................................................... 23 8.4.4 Standard measurement uncertainty .................................................................................................. 23 8.4.5 Conditions for homogeneous mixing of tracer gas ......................................................................... 24 SIST EN 16211:2015
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