ISO INTERNATIONAL STANDARD 52010-1 First edition 2017-06 Energy performance of buildings External climatic conditions Part 1: Conversion of climatic data for energy calculations Performance énergetique des batiments - Conditions climatiques exterieures Partie 1: Conversion des données climatiques pour les calculs énergétiques Reference number IS0 52010-1:2017(E) so International Organization for Standardization @ IS0 2017 HEJIANG INST OF STANDARDIZATION C15956617 ed without license from IHS IS0 52010-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org icensee-ZHEJIANG INST OF STANDARDIZAoISQ s.7 -All rights reserved vided by IHS unde Not for Resale, 2017/9/12 02:42:40 etworking permitted without license from IHS IS0 52010-1:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Symbols and abbreviations ..2 4.1 Symbols .2 4.2 Subscripts .3 5 Description of the methods ..4 5.1 Output of the method .4 5.2 General description of the method .4 6 Calculation method .5 6.1 Outputdata .5 6.2 Calculation time intervals .7 6.3 Inputdata. 8 6.3.1 General .8 6.3.2 Weather station and climatic data set .8 6.3.3 Climatic input data. 9 6.3.4 Geometrical characteristics .9 6.3.5 Constants and physical data. .10 6.3.6 Input data from Annex A (see Annex B) 11 6.4 Calculation procedure.. .11 6.4.1 Calculation of the sun path .12 6.4.2 Split between direct and diffuse solar irradiance .16 6.4.3 Solar reflectivity of the ground. 18 6.4.4 Calculation of the total solar irradiance at given orientation and tilt angle .18 6.4.5 Calculation of shading by external objects. .22 6.4.6 Calculation of illuminance .25 7 Quality control .26 8 Compliance check .26 Annex A (normative) Input and method selection data sheet - Template ..27 Annex B (informative) Input and method selection data sheet Default choices ..31 Bibliography .35 iii e=ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS under lic without license from IHS Not for Resale, 2017/9/12 02:42:40