ISO/TR TECHNICAL REPORT 52019-2 First edition 2017-06 Energy performance of buildings Hygrothermal performance of building components and building elements - Part 2: Explanation and justification Performance énergétique des batiments - Performances hygrothermiques des composants et parois de batiments Partie 2: Explication et justification Reference number IS0/TR52019-2:2017(E) International Organization for Standardization @ IS0 2017 ZHEJIANG INST OF STANDARDIZATION C1 5956617 IS0/TR 52019-2:2017(E) COPYRIGHT PROTECTEDDOCUMENT IS0 2017, Published in Switzerland 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 +4122 749 09 47 [email protected] www.iso.org Licensee-ZHEJIANG INST OF STANDARDIzRoISQ 7 - All rights reserved Not for Resale, 2017/9/12 02:43:07 networking permited without license from IHS IS0/TR 52019-2:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions 4 Symbols and subscripts. ..2 5 Description of the methods .2 5.1 Outputs .2 5.2 General description .2 6 IS0 6946 ..3 7 IS0 10211 ..4 8 IS0 13370 ..4 8.1 General ..4 8.2 Thermal properties of the ground .4 8.3 The influence of flowing ground water. .4 8.4 Application to dynamic simulation programmes .4 8.5 Embedded heating or cooling systems ..4 8.6 Cold stores ..4 9 ISO 13786 ..4 10 IS0 13789 ..5 11 ISO 14683 Annex A (informative) IS0 13370: Thermal properties of the ground ..6 Annex B (informative) IS0 13370: The influence of flowing ground water ..8 Annex C (informative) Is0 13370: Application to dynamic simulation programmes ..10 Annex D (informative) IS0 13370: Slab-on-ground floor with an embedded heating or cooling system ..18 Annex E (informative) IS0 13370: Cold stores ..19 Annex F (informative) IS0 13370: Worked examples ..20 Annex G (informative) IS0 13786: Principle of the method and examples of applications ..29 Annex H (informative) Is0 13786: Information for computer programming ..33 Annex I (informative) IS0 13786: Examples ..35 Annex J (informative) Is0 13789: Information on type of dimensions. ..38 Annex K (informative) IS0 13789: Ventilation airflow rates. ..40 Annex L (informative) Is0 14683: Example of the use of default values of linear thermal transmittance in calculating the heat transfer coefficient ..45 Annex M (informative) Detailed worked examples for IS0 6946, IS0 13370 and IS0 13789. ..49 Bibliography.. ..58 ii d without license from IHS Not for Resale, 2017/9/12 02:43:07