FLUENT在液动冲击器使用配置研究中的应用
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摘要
针对双作用射吸式液动冲击器现场应用前配置过程复杂的问题,利用FLUENT软件建立了冲击器内部流域模型与数学模型,采用与试验环境相同的工况参数,通过ICEM软件划分网格,仿真得到冲击器内部上下腔压力分布云图、流体通过射吸元件速度云图以及速度矢量流线图。采用FLUENT进行了双作用射吸式液动冲击器的应用仿真研究,通过确定与实际相同的输入参数,并且确定其流动状态,可以实现设备的运行情况预测。通过更改射吸元件的规格尺寸,以及调节输入输出参数,可以对更多规格的冲击器的实际情况进行仿真预分析,可以根据其内部的压力以及速度云图分布计算出相应的输出参数的数值大小。研究结果可为冲击器在不同地层以及不同岩性的选配提供参考。
In view of the complicated configuration process of the dual-acting injection-type hydraulic impactor in the field application, the internal flow channel model and mathematical model of the hydraulic impactor are established by using FLUENT software. The working condition parameters of the test environment are used. Using the ICEM software, simulations are conducted to obtain the pressure distribution of the upper and lower chambers of the impactor, the velocity distribution and the velocity vector streamline of the fluid through the sucking element. FLUENT is used to carry out the application simulation of hydraulic impactor. By identifying the input parameters the same as the actual application and determining the flow state, the prediction of the tool operation can be realized. By changing the size of the suction element and adjusting the input and output parameters, the pre-analysis of the actual situation of the impactor with different specifications can be performed. By replacing the equipment with different specifications and the sucking element, the output parameters can be calculated according to the internal pressure and the distribution of the velocity, thereby providing references for the hydraulic impactor options identification in drilling different formations with different lithologies.
In view of the complicated configuration process of the dual-acting injection-type hydraulic impactor in the field application, the internal flow channel model and mathematical model of the hydraulic impactor are established by using FLUENT software. The working condition parameters of the test environment are used. Using the ICEM software, simulations are conducted to obtain the pressure distribution of the upper and lower chambers of the impactor, the velocity distribution and the velocity vector streamline of the fluid through the sucking element. FLUENT is used to carry out the application simulation of hydraulic impactor. By identifying the input parameters the same as the actual application and determining the flow state, the prediction of the tool operation can be realized. By changing the size of the suction element and adjusting the input and output parameters, the pre-analysis of the actual situation of the impactor with different specifications can be performed. By replacing the equipment with different specifications and the sucking element, the output parameters can be calculated according to the internal pressure and the distribution of the velocity, thereby providing references for the hydraulic impactor options identification in drilling different formations with different lithologies.
引文
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[2] 万国强,李法军,孙冰,等.基于FLUENT的液气混抽泵动态模拟与现场应用分析[J].石油机械,2017,45(2):106-111.WAN G Q,LI F J,SUN B,et al.Dynamic simulation and field application analysis of liquid-gas mixed rod pump using FLUENT software[J].China Petroleum Machinery,2017,45(2):106-111.
[3] 刘晓旭,林元华,刘德平,等.液动冲击器工作动力学模拟研究[J].石油钻采工艺,2008,30(5):10-14.LIU X X,LIN Y H,LIU D P,et al.Simulation on working dynamics of hydraulic impactors[J].Oil Drilling & Production Technology,2008,30(5):10-14.
[4] LAGRECA A J,DE SANTANA D,SUAREZ G,et al.Fluid percussion hammer field test in the alocthonous cretaceous block,Eastern Venezuela[C]//Petroleum Society’s Canadian International Petroleum Conference 2002,Calgary,Alberta,Canade,June 11-13,2002.
[5] 李洪旗,刘鸿飞.FLUENT软件在扁平扇形喷嘴设计中的应用[J].机电产品开发与创新,2008,21(5):106-107.LI H Q,LIU H F.The application of the FLUENT software in the proccess of designing flat fan nozzles[J].Development & Innovation of Machinery & Electrical Products,2008,21(5):106-107.
[6] 刘萍,张东速,陈瑞.FLUENT软件在矩形喷嘴射流流场中的可视化研究与应用[J].矿山机械,2006(5):112-114.LIU P,ZHANG D S,CHEN R.Visualization research and application of FLUENT software in rectangular nozzle jet flow field[J].Mining Machine,2006(5):112-114.
[7] 张元志.射吸式液动冲击器的优化设计[D].西安:西安石油大学,2015.ZHANG Y Z.The optimal design of fire-suction hydraulic impactor[D].Xi’an:Xi’an Shiyou University,2015.
[8] JIANG L,BAO Y W,CHEN Y H.Thermal performance analysis of the vacuum insulation structure panel based on FLUENT[J].Key Engineering Materials,2015,633:467-471.
[9] 樊亚明,翁国华,岳坚,等.基于Fluent的流场分析在稳压罐设计中的应用[J].电子科技,2015,28(11):100.FAN Y M,WENG G H,YUE J,et al.Application of flow field analysis in the design of surge tank based on Fluent[J].Electronic Science and Technology,2015,28(11):100.
[10] 祁丽,张军,黄冠星.基于Fluent和Workbench的蒸汽喷射器流场分析和结构参数优化[J].流体机械,2014(5):35-38.QI L,ZHANG J ,HUANG G X.Flow field analysis and structure optimization of steam injector based on Fluent and Workbench[J].Fluid Machinery,2014(5):35-38.