第20卷第3期 2012年3月
文章编号
1004-924X(2012)03-0616-09
光学精密工程
Optics and Precision Engineering
Vol.20No.3
Mar.2012
随钻测并用并下发电机系统的涡轮设计
荆宝德1*，王智明2，曲海乐3，高春甫1，赵洁1（1.浙江师范大学工学院，浙江金华321004；
2.中海油田服务股份有限公司油田技术事业部，北京101149；
3.长安汽车北京工程研究院技术部，北京100086）
摘要：对随钻测井系统中井下涡轮发电机的关键部件进行了研究。首先，建立了一种水力性能较高的涡轮模型；然后，基于计算流体力学(CFD)理论，采用Fluent软件对不同叶片参数的涡轮模型进行了案流流场研究，并分析了流量、转速对
结果表明：15叶片、叶片进口角30°以上、出口角45°以下、中弧线圆弧半径40mm以内对应的涡轮模型水力性能较好，但水力效率过高也会降低涡轮的工作寿命，因此，在一定范围内增大流量、转速对提高涡轮水力效率具有积极影响。所建
立的涡轮模型能够提高涡轮的输出功率并保证其工作寿命。关键调：随钻测井；涡轮发电机；涡轮；流场分析；地面实验
中图分类号：TE927.6
文献标识码：A
doi;10.3788/OPE.20122003.0616
TurbinedesignofturbinegeneratorsystemforLWD JING Bao-de'',WANG Zhi-ming’,QU Hai-le',GAO Chun-fu',ZHAO Jie
(1.CollegeofEngineering,ZhejiangNormal University,Jinhua321004,China;
2.Oilfield TechnologyGroup,ChinaOilfield ServicesCo.,Ltd.,Beijing 10ll49,China; 3.ChanganAutomobileBeijingInstituteof TechnologyEngineeringBeijing100086,China)
*Correspondingauthor,E-mail:jbd@zjnu.cn
Abstract : The work performance of key components in an underground drilling turbine generator for the Log ging While Drilling(LWD) were researched. First, a kind of high performance hydraulic turbine model was established. Then, the turbine model with different blade parameters were studied in the turbulent flow field based on the Computational Fluid Dynamics(CFD ) theory by using the Fluent software. The effects of flow rates, rotational speeds on the turbine flow field were analyzed. Finally, the relationship of flow rates, rota tional speeds, loads and turbine generator output voltage were verified through a ground one-way water con-servancy experiment for the turbine generator. The simulation analysis results show that the turbine model with 15 blades, import blade angle above 30°, export angle below 45°, the arc radius of 40 mm or less has ex cellent hydraulic performance, however, the higher hydraulic efficiency will reduce the working life of the tur-bine, It suggests that improving the efficiency of hydraulic turbines by increasing the flow and speed should be
收稿日期：2011-09-29；修订日期：2011-12-12.
基金项目：国家自然科学基金资助项目（No.51075371)