基于Fluent的压裂车液压油散的翅片散热优化
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摘要
随着压裂技术水平的提高和油气井的大规模开发,低功率压裂泵已逐步淘汰。大功率、超高压、大排量和智能化已成为国内外压裂车的主要特点。当满足这些条件时,压裂车散热器便不可避免地需要具有高散热效率。基于工程传热学,对液压油散进行几何模型和数学模型的构建,分析了压裂车液压油散的内部结构。利用Fluent对不同的隔板间距和不同翅片厚度和节距的液压油散模型进行了仿真分析,并运用MATLAB对数据进行插值拟合处理,最终提出了一种提高压裂车油散的散热效率结构。
With improvement of fracturing technology and development of oil and gas wells, low power fracturing pumps are gradually eliminated. High power, ultra high pressure, large displacement and intellectualization become the main characteristics of fracturing trucks both at home and abroad. When these conditions are met, it is necessary for radiators of fracturing truck to have high heat dissipation efficiency. Based on engineering heat transfer,we build a geometry model and a mathematical model of hydraulic oil radiators and analyze the internal structure of fracturing truck hydraulic oil radiators. Using the software Fluent, we analyze hydraulic oil radiator models with different baffle spacing and different fin thickness and pitch, and use MATLAB to process the data. Finally we put forward a structure to improve heat dissipation efficiency of fracturing truck oil radiator.
With improvement of fracturing technology and development of oil and gas wells, low power fracturing pumps are gradually eliminated. High power, ultra high pressure, large displacement and intellectualization become the main characteristics of fracturing trucks both at home and abroad. When these conditions are met, it is necessary for radiators of fracturing truck to have high heat dissipation efficiency. Based on engineering heat transfer,we build a geometry model and a mathematical model of hydraulic oil radiators and analyze the internal structure of fracturing truck hydraulic oil radiators. Using the software Fluent, we analyze hydraulic oil radiator models with different baffle spacing and different fin thickness and pitch, and use MATLAB to process the data. Finally we put forward a structure to improve heat dissipation efficiency of fracturing truck oil radiator.
引文
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[2] 王美琴,钟新荣.SS2000型风扇散热系统的改造及应用[J].石油和化工设备,2014,(6):96-98.WANG Meiqin,ZHONG Xinrong.Transformation and App-lication of SS2000 Type Fan Cooling System [J].Oil and Chemical Equipment,2014,(6):96-98.
[3] WAMBSGANSS M W.Thermal Management Concepts for Higher Efficiency Heavy Vehicles [R].Office of Scientific & Technical Information Technical Reports,1999.
[4] 赖周平,张荣克.空气冷却器[M].北京:中国石化出版社,2010.LAI Zhouping,ZHANG Rongke.Air Cooler [M].Beijing:Sinopec Press,2010.
[5] 于海军.一种新型压裂车冷却系统的设计与维护技术[J].石油天然气学报,2012,34(9):159-160.YU Haijun.Design and Maintenance of a New Fracturing Vehicle Cooling System [J].Journal of Petroleum and Natural Gas,2012,34(9):159-160.
[6] 潘先锋,曹伟武,刘前龙,等.汽车散热器的翅片仿真研究[J].上海工程技术大学学报,2014,28(3):193-197.PAN Xianfeng,CAO Weiwu,LIU Qianlong,et al.Fin Sim-ulation of Automobile Radiator [J].Journal of Shanghai University of Engineering and Technology,2014,28(3):193-197.
[7] 郝国强,刘淑强,丁秀爱,等.液压油散热器在装载机上的应用和设计改进[J].工程机械,2006,37(12):10-13.HAO Guoqiang,LIU Shuqiang,DING Xiuai,et al.App-lication and Design Improvement of CHydraulic Oil Radiator in Loader [J].onstruction Machinery,2006,37(12):10-13.
[8] 黎兵.板翅式油散热器性能的实验研究及数值模拟[D].重庆:重庆大学,2007.LI Bing.Experimental Study and Numerical Simulation of the Performance of Plate-fin Oil Radiator [D].Chongqing:Chongqing University,2007.
[9] 任志安,郝点,谢红杰.几种湍流模型及其在Fluent中的应用[J].化工装备技术,2009,30(2):38-40.REN Zhian,HAO Dian,XIE Hongjie.Several Turbulence Models and Their Applications in Fluent [J].Chemical Equipment Technology,2009,30(2):38-40.
[10] 陆钧成,冯静.基于CFD水泵单元进出口流道优化设计[J].液压与气动,2017,(1):44-48.LU Juncheng,FENG Jing.Optimum Design of Inlet and Outlet Passage of CFD-Based Pump Unit [J].Chinese Hydraulics & Pneumatics,2017,(1):44-48.
[11] 刘晓.基于CFD分析两种散热器数值仿真[J].农业装备与车辆工程,2012,50(8):45-47.LIU Xiao.Numerical Simulation of two Radiators Based on CFD Analysis [J].Agricultural Equipment and Vehicle Engineering,2012,50(8):45-47.
[12] 陈玺,刘晓叙,刘怡,等.基于Fluent汽油机缸盖冷却性能仿真分析[J].液压与气动,2017,(10):91-95.CHEN Xi,LIU Xiaoxu,LIU Yi,et al.Simulation and Analysis of Cylinder Head Cooling Performance of Gasoline Engine Based on Fluent [J].Chinese Hydraulics & Pneu-matics,2017,(10):91-95.