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中文摘要：
使用上海超算中心的并行计算机模拟了一个实验参数下的湍流射流抬升火焰。该实验的喷口直径为4.57 mm,实验雷诺数达到了23600。为了完成这个高雷诺数射流燃烧的直接数值模拟,共采用了1024个CPU,共计2.85亿网格。主要介绍了采用的直接数值模拟方法,实验的具体参数以及选取该实验作为模拟对象的原因。最后用直接数值模拟的结果具体分析该实验的着火机理。
英文摘要：
An experimental turbulent lifted-off jet flame has been carried out by Supercomputer in Shanghai Supercomputer Center of China.The nozzle diameter of the experiment is 4.57 mm and the corresponding Reynolds number is as high as 23600.In order to accomplish this high Reynolds number jet flame by direct numerical simulation,we have employed 1024 CPUs,the grid points amount to 285 million.This paper mainly introduces the methods we have adopted and the experimental apparatus as well as the reasons why we chose such experiment to be modelled.Finally,the ignition mechanism of the experiment will be analyzed by means of the results of direct numerical simulation.
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