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首页> 外文期刊>Experimental Thermal and Fluid Science: International Journal of Experimental Heat Transfer, Thermodynamics, and Fluid Mechanics >Investigation of a combustion driven oscillation in a refinery flare. Part A: Full scale assessment
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Investigation of a combustion driven oscillation in a refinery flare. Part A: Full scale assessment

机译:精炼火炬燃烧驱动振荡的研究。 A部分:全面评估

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摘要

An assessment of the cause of an intermittent combustion-driven oscillation in a full-scale refinery flare is reported. When present, ambient sound pressure levels in excess of 100 dBA are generated. The oscillations began after the replacement of an old flare tip with one of a different design which required the use of non-standard components. The assessment included measurements of time resolved and integrated sound pressure in the ambient environment, and pressure in the fuel pipe and the air duct. Images obtained from video recorded from two directions are presented along with relevant process data. A review is also presented of the conditions under which the oscillations are inhibited or enhanced, and a comparison is made with another flare of similar design which does not exhibit an oscillation. The Strouhal numbers of the potential causes of flow oscillation and the wavelength of acoustic resonances in the supply pipes are calculated. The findings are then compared with related investigations found in the literature.
机译:据报道,对全规模炼厂火炬中间歇性燃烧驱动振荡的原因进行了评估。如果存在,则会产生超过100 dBA的环境声压级。用不同设计之一更换旧的火炬头后,开始出现振荡,这需要使用非标准组件。该评估包括对周围环境中时间分辨和积分声压以及燃料管和风管中压力的测量。从两个方向录制的视频中获得的图像将与相关的过程数据一起显示。还回顾了抑制或增强振荡的条件,并与另一种没有振荡的类似设计的火炬进行了比较。计算出流动振荡的潜在原因的斯特劳哈尔数和供应管中的声共振的波长。然后将这些发现与文献中的相关研究进行比较。

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