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首页> 外文会议>2002 ASME International Mechanical Engineering Congress and Exposition , Nov 17-22, 2002, New Orleans, Louisiana >SCALED ROOM THREE-DIMENSIONAL COMPUTATIONAL FLUID DYNAMICS SIMULATIONS
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SCALED ROOM THREE-DIMENSIONAL COMPUTATIONAL FLUID DYNAMICS SIMULATIONS

机译：尺度空间三维计算流体动力学模拟

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摘要

Computational fluid dynamics (CFD) simulations were used to predict three-dimensional flow within a one-tenth-scale room. The dimensions of the scaled room were 732 x 488 x 274 mm (28.8 x 19.2 x 10.8 in.) and symmetry was utilized so that only half of the room was modeled. Corresponding measurements were made under isothermal conditions and water was used as the working fluid instead of air. The commercially available software Fluent was used to perform the simulations. Two turbulence models were used: the renormalization group (RNG) k-ε model and the Reynolds-stress model. The CFD setup is presented in this paper, along with the velocity and turbulent kinetic energy results. The simulation results are compared to previously obtained three-dimensional particle image velocimetry (PIV) measurements made within the same scaled room under similar conditions.
机译：计算流体动力学（CFD）模拟用于预测十分之一房间内的三维流动。缩放后的房间的尺寸为732 x 488 x 274毫米（28.8 x 19.2 x 10.8英寸），并且采用对称性，因此仅对房间的一半进行了建模。在等温条件下进行相应的测量，并使用水代替空气作为工作流体。使用可商购的软件Fluent进行模拟。使用了两种湍流模型：重归一化组（RNG）k-ε模型和雷诺应力模型。本文介绍了CFD设置以及速度和湍动能结果。将模拟结果与先前获得的三维粒子图像测速（PIV）测量结果进行比较，该测量结果是在相似条件下在相同比例的房间内进行的。

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