ISO INTERNATIONAL STANDARD 27327-1 First edition 2009-06-15 Fans Air curtain units Part 1: Laboratory methods of testing for aerodynamic performance rating Ventilateurs Rideaux dair- Partie 1: Methodes d'essai en laboratoire des caracteristiques de performance aérodynamique Reference number ISO 27327-1:2009(E) @ ISO 2009 by IHS under lic itted without license from IHS Not for Resale ISO 27327-1:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT @ ISO2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, IsO's member body in the country of the requester. ISO copyright office Case postale 56 . CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2009 - All rights reserved py IHS unde I without license from IHS Not for Resale ISO 27327-1:2009(E) Contents Page Foreword. Introduction 1 Scope 2 Normative references 3 Terms, definitions and symbols. 3.1 Terms and definitions... 3.2 Symbols ....... 4 Air curtain airflow rate test . 4.1 Apparatus and instruments ... 4.2 Preparation of air curtain airflow rate test .. 4.3 Test procedure... 4.4 Calculation... 4.5 Test report. 5 Outlet air velocity uniformity test.. 11 5.1 Apparatus and instruments .. 11 5.2 Air velocity projection and outlet air velocity uniformity test. 12 5.3 12 5.4 Calculation... 13 5.5 Test report ... 14 6 Air curtain velocity projection test.. 6.1 Apparatus and instruments .. 14 6.2 Equipment and organization . 14 6.3 Test procedure.... 15 6.4 Calculation.. 16 6.5 Test report. 16 < Illustration of tests 17 Annex A (normative) Uncertainty in velocity determination using Pitot-static tube and manometer..... Bibliography.... Copyright International Organization for Standardizalon ghts reserved ii Not for Resal