BS ISO BRITISH STANDARD 17713-1:2007 Meteorology Wind measurements - Part l: Wind tunnel test methods for rotating anemometer performance ICS 07.060; 17.080 BSi NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW British Standards BSIS0 17713-1:2007 National foreword This British Standard was published by BSI. It is the UK implementation of ISO 17713-1:2007. The UK participation in its preparation was entrusted to Technical Committee EH/2, Air quality. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was Amendmentsissuedsincepublication published under the authority of the Standards Policy and Date Amd. No. Comments Strategy Committee on 31 May 2007 @BSI 2007 ISBN 978 0 580 508356 BS ISO 17713-1:2007 ISO INTERNATIONAL STANDARD 17713-1 First edition 2007-05-01 Meteorology - Wind measurements - Part 1: Wind tunnel test methods for rotating anemometerperformance Meteorologie-Mesuragesduvent- Partie1:Methodesd'essaiensouffleriepourdeterminerles caracteristiguesd'unanémometretournant Referencenumber ISO 17713-1:2007(E) ii BSIS017713-1:2007 Contents Foreword. iv Introduction 1 Scope 2 Normative references... 3 Terms and definitions 4 Symbolsandabbreviatedterms. 5 Summary oftestmethod. 6 Documentation... Apparatus.. 7.1 Measuring system.. 7.2 Recording techniques 8 Testprocedures. 8.1 Starting threshold (Uo)... 8.2 Transfer function (U=a+ bR +...). 8.3 Distance constant (Lu) 8.4 Off-axis response ratio (Qu)Cup anemometers ... 8.5 Off-axis response ratio (Qu)-Vane-mounted propeller anemometers.. 9 8.6 Off-axisresponseratio(Qu)-Fixed-axispropelleranemometers. 8.7 Acceptance testing. 10 9 Qualityof the test method.. 10 9.1 General.. 9.2 Wind tunnel ... 10 9.3 Repeatability. 9.4 Uncertainty. Annex A (normative)Wind tunnel standardtest conditions .... .12 Annex B(informative)Examples of formats for recording run data.. Bibliography.. ii BS ISO0 17713-1:2007 Foreword InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization International Standards are drafted in accordance with the rules given in the IsO/lEC Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 17713-1 was prepared by Technical Committee ISO/TC 146, Air quality, Subcommittee SC 5, Meteorology. Iso 17713 consists of the following parts, under the general title Meteorology-Wind measurements Part1:Windtunneltestmethodsforrotatinganemometerperformance The following part is planned: Part 2: Wind tunnel test methods for wind vanes iv BSIS0 17713-1:2007 Introduction This part of iSO 17713 was developed in order to have a worldwide uniform set of test methods to define the aparticularapplication. V