Thermal Environment Simulation Using Heat Response on Static Flow Field : Part 1-Development of Calculation Method for Transient Heat Response Using CFD Analysis and Application to Optimization Problem for Air-Conditioning Control System

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  • 固定流れ場の熱応答を用いた熱環境シミュレーション : 第1報-CFD解析を利用した熱応答計算法の開発と空調制御システム最適化問題への応用
  • コテイ ナガレバ ノ ネツ オウトウ オ モチイタ ネツ カンキョウ シミュレーション ダイ1ポウ CFD カイセキ オ リヨウ シタ ネツ オウトウ ケイサンホウ ノ カイハツ ト クウチョウ セイギョ システム サイテキカ モンダイ エ ノ オウヨウ

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Indoor climate has a three-dimensional spatial distribution caused by three-dimensional airflow. To obtain the accurate knowledge of building performance, it is demanded to integrate the spatial distribution into building simulations. In these contexts, CFD analysis is necessarily in design process. However, at most only a few case of CFD could be executable in real design process, because of the large calculation cost. The main subject of this paper is the development of a method for extracting heat transport phenomena in rooms from such limited CFD analyses and integrating the data into a flow network model analysis. The calculation method is based on the fact that we can regard static flow field as a linear system, and the transient heat response on static flow field can be calculated through computation of convolution by using response factors. In this paper, we present the calculation steps: method obtaining heat response factor on flow filed; and method calculating transient heat response using those response factors, as well as examples of the simulation applied to air-conditioning control problems.

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