| 基于旋流的天然气超声速喷管分离特性 |
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| 引用本文： | 文闯,曹学文,张静,杨燕,张文敬.基于旋流的天然气超声速喷管分离特性[J].石油学报(石油加工),2011,27(1):150-154. |
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| 作者姓名： | 文闯 曹学文 张静 杨燕 张文敬 |
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| 作者单位： | 中国石油大学储运与建筑工程学院,山东,青岛,266555 |
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| 基金项目： | 国家高技术研究发展计划“863”计划资助(2007AA09Z301); 国家科技重大专项(2008ZX05017-004)资助 |
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| 摘 要： | 采用数值模拟方法研究来流为旋流的拉伐尔喷管内的流场，考察了喷管的收缩比、收缩半角、喉部圆柱段长度和扩张半角对天然气超声速喷管旋流分离性能的影响。数值计算结果表明，增加喷管收缩比和收缩半角可以提高喷管旋流分离性能。喷管喉部圆柱段长度对喷管旋流分离性能影响较小。当喷管扩张半角小于2°时，喷管旋流分离性能较差；扩张半角在2~6°时，喷管旋流分离性能较好；继续增加扩张半角，喷管旋流分离性能下降。
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| 关 键 词： | 旋流 超声速 拉伐尔喷管 分离性能 数值模拟 |
| 收稿时间： | 2009-11-9 |
| 修稿时间： | 2010-3-25 |
Separation Characteristics of Supersonic Swirling Flow Nozzle for Natural Gas |
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| WEN Chuang,CAO Xuewen,ZHANG Jing,YANG Yan,ZHANG Wenjing.Separation Characteristics of Supersonic Swirling Flow Nozzle for Natural Gas[J].Acta Petrolei Sinica (Petroleum Processing Section),2011,27(1):150-154. |
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| Authors: | WEN Chuang CAO Xuewen ZHANG Jing YANG Yan ZHANG Wenjing |
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| Affiliation: | WEN Chuang,CAO Xuewen,ZHANG Jing,YANG Yan,ZHANG Wenjing(College of Transport & Storage and Civil Engineering,China University of Petroleum,Qingdao 266555,China) |
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| Abstract: | The flow field of the Laval nozzle was numerically simulated,where the upstream of the nozzle was of swirling flow.The effects of nozzle contraction ratio,convergent half-angle,length of throat cylinder and divergent half-angle on the separation performance of supersonic swirling flow nozzle were investigated.The numerical results showed that good separation performance of the nozzle was obtained with increases of the nozzle contraction ratio and convergent half-angle.The influence of the length of throat c... |
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| Keywords: | swirling flow supersonics Laval nozzle separation performance numerical simulation |
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