3次元非等温乱流の数値実験と模型実験 : 建築環境工学における流れの数値解析に関する研究(第1報)

概要

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1) We introduce the flow prediction method which can be applied to an air flow in ducts, rooms, and around buildings, in the field of architectural environmental engineering. This prediction method is based on the two-equation model of turbulence, one of the mathematical models of turbulence; and on the Marker and cell method, one of the finite difference methods. 2) We made a calculation of the three dimensional turbulent room air flow including an outlet, an inlet and a heated wall. A numerically stable and nearly steady solution was obtained. 3) We performed a model experiment of the room air flow in order to examine the appropriateness of the prediction. The distributions of mean velocity and temperature were measured. 4) The prediction agreed well with the outcome of the experiment as to the mean velocity and temperature distributions. We have shown that this type of prediction method is practically of use. 5) The higher moments of statistical values of turbulence, will be discussed in the forthcoming paper.
明治大学の論文
1979-00-00