Characteristics of Drag Reduction and Control Behavior of  Boundary Layer on Multi-Factor Coupling of Jet Surface

Abstract

Abstract:

In order to study the influence of jet surface under the circumstance of multifactor coupling, an extension module of coupling elements and coupling mode between main flow field velocity and jet velocity, as well as high configuration of jet hole and coupling arrangement of the bottom of the jet hole was built by using the basic principle of extension. The drag reduction characteristics of jet surface under conditions of multifactor coupling were numerically simulated with standard k-ε turbulence model. The reasons for reducing the viscous resistance and drag reduction rate of the jet surface were analyzed, and the controlling behavior of jet surface towards the flow field of the boundary layer of the wall near the jet holes was revealed. The results show that under the condition of multi-factor coupling, the jet surface has a better drag reduction effect, and the best drag reduction rate is 27.69%. The jet surface under conditions of multi-factor coupling changes the shear stress distribution of walls, and affects the structure of boundary layer. Meanwhile, vortexes formed in the downstream of jet holes alter the thickness of boundary layer, which leads to the reduction of viscous resistance near the wall, and makes the jet surface to have the characteristics of drag reduction.

Key words: drag reduction, extension module, multi-factor coupling, boundary layer

CLC Number:

O 358

GU Yunqing1,MU Jiegang1,ZHENG Shuihua1,ZHAO Gang2, SUN Zhuangzhi2,RU Jing2. Characteristics of Drag Reduction and Control Behavior of Boundary Layer on Multi-Factor Coupling of Jet Surface[J]. Journal of Shanghai Jiaotong University, 2014, 48(09): 1334-1340.

References

［1］Srivastava B. Lateral jet control of a supersonic missile: Computational and experimental comparisons ［J］. Journal of Spacecraft and Rockets, 1998, 35(20): 140146.

［2］Endwell O D, Victor E P, Wang T S, et al. Dynamics of shock dispersion and interactions in supersonic freestreams with counterflowing jets ［J］. AIAA Journal, 2009, 47(6): 13131326.

［3］Chen L W, Wang G L, Lu X Y. Numerical investigation of a jet from a blunt body opposing a supersonic flow ［J］. Journal of Fluid Mechanics, 2011, 684: 85110.

［4］Yang Y, Liu X Q, Asif S. Transonic drag reduction on supercritical wing section using shock control bumps ［J］. Transactions of Nanjing University of Aeronautics and Astronautics, 2012, 29(3): 207214.

［5］Jiang Z L, Liu Y F, Han G L, et al. Experimental demonstration of a new concept of darg reduction and thermal protection of hypersonic vehicles ［J］. Acta Mechanic Sinica, 2009, 25(3): 417419.

［6］Meyer B, Nelson H F, Riggins D W. Hypersonic drag and heattransfer reduction using a forwardfacing jet ［J］. Journal of Aircraft, 2001, 38(4): 680686.

［7］Bushnell D M. Shock wave drag reduction ［J］. Annual Review Fluid Mechanics, 2004, 36(1): 8196.

［8］Eswar J, Mark P, William B B. Applications of a counterflow drag reduction technique in highspeed systems ［J］. Journal of Spacecraft and Rockets, 2002, 39(4): 605614.

［9］耿云飞, 阎超. 高超声速自适应激波针数值研究［J］. 力学学报, 2011, 43(3): 441446.

GENG Yunfei, YAN Chao. Numerical investigation of selfaligning spiked bodies at hypersonic speeds ［J］. Chinese Journal of Theoretical and Applied Mechanics, 2011, 43(3): 441446.

［10］谷云庆, 赵刚, 郑金兴, 等. 射流表面主流场速度与射流速度耦合减阻特性［J］. 中南大学学报: 自然科学版, 2012, 43(12): 47134721.

GU Yunqing, ZHAO Gang, ZHENG Jinxing, et al. Characteristics of drag reduction on coupling of jet surface main flow field velocity and jet velocity ［J］. Journal of Central South University: Science and Technology, 2012, 43(12): 47134721.

［11］赵刚, 谷云庆, 许国玉, 等. 仿生射流表面减阻特性实验研究［J］. 中南大学学报: 自然科学版, 2012, 43(8): 30073012.

ZHAO Gang, GU Yunqing, XU Guoyu, et al. Experimental study on drag reduction characteristics of bionic jet surface ［J］. Journal of Central South University: Science and Technology, 2012, 43(8): 30073012.

［12］洪筠, 钱志辉, 任露泉. 多元耦合仿生可拓模型及其耦元分析［J］. 吉林大学学报: 工学版, 2009, 39(3): 726730.

HONG Yun, QIAN Zhihui, REN Luquan. Extensive model of multifactor coupling bionics and analysis of coupling elements ［J］. Journal of Jilin University: Engineering and Technology Edition, 2009, 39(3): 726730.

［13］谷云庆, 赵刚, 郑金兴, 等. 射流表面射流角度与射流速度耦合减阻特性［J］. 西安交通大学学报, 2012, 46(9): 7177.

GU Yunqing, ZHAO Gang, ZHENG Jinxing, et al. Drag reduction characteristics on jetting surface with jet anglejet velocity coupling ［J］. Journal of Xi’an Jiaotong University, 2012, 46(9): 7177.

［14］蒋兰芳, 刘红, 鲁聪达, 等. 船用柴油机阻燃式防爆阀的压力降分析［J］. 上海交通大学学报, 2013, 47(6): 889893.

JIANG Lanfang, LIU Hong, LU Congda, et al. Pressure loss of explosionproof valve with flame arrester for ship’s diesel engine ［J］. Journal of Shanghai Jiaotong University, 2013, 47(6): 889893.

［15］汝晶. 仿生射流减阻射流孔布局研究［D］. 哈尔滨: 哈尔滨工程大学机电工程学院, 2013.

［16］Gu Y Q, Zhao G, Zheng J X, et al. Experimental and numerical investigation on drag reduction of nonsmooth bionic jet surface ［J］. Ocean Engineering, 2014, 81: 5057.

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Characteristics of Drag Reduction and Control Behavior of Boundary Layer on Multi-Factor Coupling of Jet Surface

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