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Modeling and simulating urban outdoor comfort: Coupling ENVI-Met and TRNSYS by grasshopper

机译:建模和模拟城市户外舒适度:蚱hopper将ENVI-Met和TRNSYS耦合

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摘要

In urban areas the impact of built environment on wellbeing and human health should be considered due to urban heat island phenomenon. The present research aims at identifying a method for an accurate estimation of thermal outdoor comfort and mean radiant temperature, modeling and simulating the effects of urban form and vegetation on microclimate of cities. In order to reach this main objective, this research incorporates CFD based simulation tool ENVI-met and TRNSYS (Transient Systems Simulation) by means of Grasshopper. The results of the study demonstrate the reliability of the proposed method, i.e. that a combination of ENVI-met and TRNSYS increases the simulation accuracy in terms of outdoor thermal comfort, especially during night. This method allows exploiting the potentialities of both ENVI-met and TRNSYS for the calculation of urban features (urban form, vegetation, canyon proportion, etc.) affecting urban microclimate. (C) 2017 Elsevier B.V. All rights reserved.
机译:在城市地区,由于城市热岛现象,应考虑建筑环境对福祉和人类健康的影响。本研究旨在确定一种准确估算室外热舒适度和平均辐射温度的方法,对城市形态和植被对城市微气候的影响进行建模和模拟。为了达到这个主要目标,本研究通过Grasshopper结合了基于CFD的仿真工具ENVI-met和TRNSYS(瞬态系统仿真)。研究结果证明了该方法的可靠性,即ENVI-met和TRNSYS的组合可提高室外热舒适性(特别是在夜间)的仿真精度。这种方法可以利用ENVI-met和TRNSYS的潜力来计算影响城市小气候的城市特征(城市形态,植被,峡谷比例等)。 (C)2017 Elsevier B.V.保留所有权利。

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