ISO INTERNATIONAL STANDARD 16622 First edition 2002-09-15 Meteorology - Sonic anemometers/thermometers Acceptance test methods for mean wind measurements Meteorolgie Anemometres/thermometres soniques Methodes d'essai d'acceptation pourles mesurages de la vitesse moyenne du vent Reference number ISO 16622:2002(E) @ ISO 2002 ISO 16622:2002(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 area. Adobe is atrademarkof 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. ? ISO2002 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the address below or 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 [email protected] Web www.iso.ch Printed in Switzerland @ ISO 2002 - All rights reserved ISO 16622:2002(E) Contents Page Foreword. Introduction 1 2 Normative references.. : Terms and definitions 4 Symbols and abbreviated terms. 5 Summary of methods. 6 Array examination prior to testing 7 Zero wind chamber test.... 7.1 Purpose. 7.2 Procedure.. 8 Wind tunnel test ... 8.1 Purpose. 8.2 8.3 Wind tunnel test procedure. 9 Pressure chamber test (optional)... 9.1 Purpose. 9.2 Apparatus 10 9.3 Procedure 10 10 Field tests 10 10.1 Purpose 10 10.2 Duration 10 10.3 Siting...... 10.4 Fieldsiteequipment.. 11 10.5 Evaluation.... 11 Annex A (informative) Zero wind chamber.. 13 Annex B (informative) Wind measurement with sonics.. 14 Annex C (normative) Wind tunnel... 18 Annex D (informative) Acoustic impedance versus altitude. 20 Bibliography. nserved ili