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首页> 外文会议>2nd International Symposium on Computational Wind Engineering (CWE 96) Fort Collins, Colorado, USA August 4-8, 1996 >On the application of Thomson's random flight model tot he prediction of particle dispersion within a ventilated airspace
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On the application of Thomson's random flight model tot he prediction of particle dispersion within a ventilated airspace

机译：汤姆森随机飞行模型在通风空间内颗粒扩散预测中的应用

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摘要

The correct prediction of mean particle concentrations within ventilated airspaces is an important practical problem. Recently, much progress has been made in understanding how to formulate correctly random flight models for particle trajectories in such inhomogeneous turbulent flows. Thomson showed that random flight models which satisfy the wellmixed condition (i.e. give the correct steady-state distribution of particles in phase space) are essentially correct. Thomson subsequently formulated a random flight model which satisfies the well-mixed condition for inhomogeneous Gaussian turbulence.
机译：通风空间内平均颗粒浓度的正确预测是一个重要的实际问题。近来，在理解如何正确地为这样的非均匀湍流中的粒子轨迹建立随机飞行模型方面已经取得了很大进展。汤姆森（Thomson）表明，满足良好混合条件（即在相空间中给出粒子的正确稳态分布）的随机飞行模型实质上是正确的。汤姆森随后制定了一个随机飞行模型，该模型满足非均匀高斯湍流的充分混合条件。

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