LARGE EDDY SIMULATION OF FLOWS IN HELMHOLTZ RESONANT NOZZLE

doi:10.7623/syxb199703020

Editorial office of ACTA PETROLEI SINICA ›› 1997, Vol. 18 ›› Issue (3): 124-127.DOI: 10.7623/syxb199703020

• Petroleum Engineering • Previous Articles Next Articles

LARGE EDDY SIMULATION OF FLOWS IN HELMHOLTZ RESONANT NOZZLE

He Zigan¹, Liu Liping², Sun Aijun²

1. Dalian University of Technology;
2. Jilin Oil Field

Received:1995-01-20 Revised:1995-03-20 Online:1997-07-25 Published:2013-07-08

振动水嘴流场的大涡模拟

何子干¹, 刘立平², 孙爱军²

1. 大连理工大学;
2. 吉林油田钻采院

作者简介:何子干.1989年大连理工大学博士毕业.现为大连理工大学土木系水力学教研室副仁任,副教授.通讯处:辽宁省大连市.邮政编码116024.

Abstract

Abstract: Based on the demand of oil drilling,flows in Helmholtz resonant nozzle are predicted numerically by using Large Eddy Simulation method.The distributions of velocities and pressure are obtained and compared with corresponding experiments,which shows good agreement with experimetnal results.

Key words: self-excited oscillation, numerical simulation, jet technique, turbulence, fluctuation

摘要： 基于井下采油需要,于注水驱油装置内适当位置设计了亥姆霍兹振动水嘴进行脉动注水,以增强注水效果.本文从数值模拟角度出发,采用大涡模拟(Large Eddy Simulation-LES)方法数值预测了振动水嘴流场,得到了流场速度和压力分布,结果表明不同尺寸亥氏水嘴,自激振动效果差异很大,对固定的来流条件,存在着最佳的尺寸组合.通过水嘴出口平均压力实验测量与文中数值模拟的对比,表明数值预测方法正确、计算格式稳定、结果合理及有关程序应用方便,可与实验研究互相配合,促进自振水嘴机理和实用研究.

关键词: 自激振动, 数值模拟, 射流技术, 湍流, 脉动

He Zigan, Liu Liping, Sun Aijun. LARGE EDDY SIMULATION OF FLOWS IN HELMHOLTZ RESONANT NOZZLE[J]. Editorial office of ACTA PETROLEI SINICA, 1997, 18(3): 124-127.

何子干, 刘立平, 孙爱军. 振动水嘴流场的大涡模拟[J]. 石油学报, 1997, 18(3): 124-127.

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LARGE EDDY SIMULATION OF FLOWS IN HELMHOLTZ RESONANT NOZZLE

振动水嘴流场的大涡模拟

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