ISO INTERNATIONAL STANDARD 15927-5 First edition 2004-11-15 Hygrothermal performance of buildings Calculation and presentation of climatic data - Part 5: Data for design heat load for space heating Performance hygrothermique des batiments Calcul et présentation des données climatiques - Partie 5: Données pour la charge calorifique de conception pour le chauffage des locaux Reference number ISO 15927-5:2004(E) Copyright International Organization for Standardization @ISO2004 ted without license from IHS Not for Resale ISO 15927-5:2004(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 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 @ISO2004 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 [email protected] Web www.iso.org Published in Switzerland yemainagazainandardizato @ISO2004-All rights reserved nitted without licensefrom IHS Not for Resale ISO 15927-5:2004(E) Contents Page Foreword .iv Introduction 1 Scope. 2 Normative references .. 3 Terms, definitions, symbols and units 4 Methods of calculation .. 5 Coincident wind speed .. 6 Dominant wind direction .. 7 Reference altitude ... 8 Presentation of data...... 9 Data representing a geographical area, region or zone. Copyrght International Organizaion for standardizaon'ghts reserved ili ense wit without license from IHS Not for Resale ISO15927-5:2004(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technicalcommittees.Eachmemberbodyinterestedinasubjectforwhichatechnicalcommitteehasbeer non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2 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. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. Technical Committee ISO/TC 163, Thermal performance and energy use in the built environment, between ISO and CEN (Vienna Agreement). Iso 15927 consists of the following parts, under the general title Hygrothermal performance of buildings - Calculation and presentation of climatic data: Part 1:Monthly means of single meteorological elements Part 5: Data for design heat load for space heating The following parts are under preparation: Part 4: Data for assessing the annual energy for cooling and heating systems Part 6:Accumulated temperature differences (degree days) nal Organization for Standardizatior @IsO2004-All rightsreserved Not for Resale ISO 15927-5:2004(E) Introduction hand, users expect a heating system to maintain the internal temperatures needed for health and comfort; on the other hand, very high heating demand arises from time t