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A PERSPECTIVE ON COMBUSTION-DRIVEN FLOWS WITH CIRCULATION

机译:燃烧驱动的带循环流动的视角

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Perhaps the most dramatic example of surprising behavior when circulation is imposed on a combustion-driven flow is the fire whirl, where the burning gases form a tall slender column. Relatively few studies have addressed the influence of circulation on the development of combustion-driven flows. Three dimen-sionless parameters characterize this interplay: the Froude number, the swirl number and the Reynolds number. It is surprising that for most studies, even with plausible assumptions concerning the experiments, not enough information is given to determine the values of these parameters. We will experimentally reconstruct these studies in an effort to characterize parametrically these interactions. Both buoyancy-driven and momentum-driven combustion processes will be investigated to determine the influence of circulation. Theoretical studies will occur in conjunction to provide the most complete parametric investigation.
机译:当将循环施加到燃烧驱动的气流上时,令人惊讶的行为的最戏剧性的例子可能是火旋风,其中燃烧的气体形成了一根细长的高柱。很少有研究讨论循环对燃烧驱动流发展的影响。相互作用的三个无因次参数:弗洛德数,涡旋数和雷诺数。令人惊讶的是,对于大多数研究,即使有关于实验的合理假设,也没有给出足够的信息来确定这些参数的值。我们将通过实验方式重建这些研究,以通过参数表征这些相互作用。将研究浮力驱动的燃烧过程和动量驱动的燃烧过程,以确定循环的影响。理论研究将结合在一起提供最完整的参数研究。

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