From model validation to production of reference simulations: how to increase reliability and applicability of building and HVAC simulation models

From model validation to production of reference simulations: how to increase reliability and applicability of building and HVAC simulation models
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从模型验证到参考模拟的生成:如何提高建筑和 HVAC 模拟模型的可靠性和适用性

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发表时间:
2008
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通讯作者:
Ion Teodorese
Ion Teodorese
中科院分区:
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文献类型:
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作者:
Philippe André;B. Georges;J. Lebrun;V. Lemort;Ion Teodorese

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为了促进仿真模型在建筑和暖通空调仿真领域的更深入、更有效的应用,仿真模型的验证长期以来一直是一个关键问题。IEA附录34/43最初针对一些需要更高级验证的特定应用:地面耦合问题,多区域建筑,遮阳,日光照明和冷却负荷相互作用,HVAC组件和通风立面。这些验证工作是建立在以前项目中获得的大量方法学经验的基础上的,有时解决了建筑物中传热的基本问题。咨询工程师和从业人员可能会认为这些工作离他们的目标有点太远,这就是为什么提出了一项额外的活动,其具体目的是根据模型验证的结果,制作一套参考模拟。这些应用涵盖了一系列建筑类型(住宅,商业)和系统(生产,分配排放),并在各种气候条件下运行。本文将描述如何开发专用于这些应用的模型,从验证结果开始,经过模拟假设的选择和合并,并以可能被视为相关应用参考的数字结束。本文将集中在住宅建筑应用所需的模型(配备热泵或冷凝锅炉的多区域建筑,散热器或地板供暖系统发出的热量)。仿真利用EES和TRNSTIM软件,并且这两种软件在不同的应用中尽可能并行应用,以便更好地判断其潜在的优点和缺点。参考模拟的使用,鉴于目前正在开发的欧洲建筑物能源性能指令的框架中的资格规范的方法也得到了解决和证明的文件。
Validation of simulation models appears from a long time as a key issue in order to promote a more intensive and more efficient use of simulation models in the field of building and HVAC simulation. IEA Annex 34/43 originally targeted a number of specific applications where a more advanced validation was required: ground coupling problems, multizone building, shading, day lighting and cooling load interaction, HVAC components and ventilated facades. These validation exercises were built on the large methodological experience obtained in previous projects and address sometimes very fundamental problems of heat transfer in buildings. Consulting engineers and practitioners might see these exercises as a bit too far from their objectives and it is the reason why an additional activity was proposed with the specific aim of producing, based upon the results of the validation of models, a set of reference simulations. These applications cover a range of building types (residential, commercial) and systems (production, distribution emission) and run in a variety of climates. The paper will describe how models dedicated to these applications were developed, starting from validation results, going through the selection and consolidation of simulation hypothesises and ending with a number that might be considered as reference for the concerned applications. The paper will concentrate on models required by a residential building application (multizone building equipped with a heat pump or a condensing boiler, heat emitted by radiators or floor heating systems). Simulations make use of both EES and TRNSYS software and both software are applied in parallel as far as possible in the different applications in order to get a better judgment of their potential advantages and drawbacks. The use of reference simulations in view of qualifying normative methods currently in development in the frame of the European Energy Performance in Buildings Directive is also addressed and demonstrated in the paper.