Simulation Study of Ventilated Supercavity in a Periodic Gust Flow

doi:10.3969/j.issn.1000-1093.2018.09.014

Abstract

Abstract: A flow field model is established to obtain the multiphase flow characteristics in a periodic gust flow. The proposed model is verified by comparing with the experimental data. Based on the proposed model, the characteristics of ventilated supercavity in a periodic gust flow are numerically simulated. The results show that the gust generator with periodic oscillation flow placed upstream can produce gust flow in the downstream flow field, and the wavelength of gust flow decreases and its amplitude increases with an increase in frequency; the wavelength and amplitude increase with an increase in flow velocity. Ventilated supercavity in the downstream of flow field is deformed by the gust, and the deformation is more obvious with an increase in frequency. The shape of supercavity is more stable with an increase in flow velocity. The wavelength of gust is equal to the ratio of flow velocity to gust frequency, and the effect of long wave on the shape of supercavity is smaller than that of the short wave. The cavitation number periodically changes by the influence of gust flow, and the mode of gas leakage also changes. The momentum of the supercavity tail increases with an increase in the cavitation number, which affects the mode of gas leakage in the double vortex tube of cavity tail. Key

Key words: ventilatedsupercavity, gustflow, gustgenerator, numericalsimulation

CLC Number:

WANG Wei, WANG Cong, DU Yan-feng, LI Cong-hui. Simulation Study of Ventilated Supercavity in a Periodic Gust Flow[J]. Acta Armamentarii, 2018, 39(9): 1772-1779.

References

［1］ Reichardt H.The laws of cavitation bubbles as axially symmetrical bodies in a flow[R]. UK: Ministry of Aircraft Production, 1946:322-326.
[2］ Ceccio S L. Friction drag reduction of external flows with bubble and gas injection[J]. Annual Review of Fluid Mechanics, 2010, 42(1): 183-203.
[3］ Lee Q T, Xue L P, He Y S. Experimental study of ventilated supercavities with a dynamic pitching model[J]. Journal of Hydrodynamics, 2008, 20(4): 456-460.
[4］ Pan Z C, Lu C J, Chen Y, et al. Numerical study of periodically forced-pitching of a supercavitating vehicle[J]. Journal of Hydrodynamics, 2010,22(5): 899-904.
[5］ Yu K P, Zhang G, Zhou J J, et al. Numerical study of the pitching motions of supercavitating vehicles[J]. Journal of Hydrodynamics, 2012, 24(6): 951-958.
[6］ Kopriva J, Arndt R E A, Amromin E L. Improvement of hydrofoil performance by partial ventilated cavitation in steady flow and periodic gusts[J]. Journal of Fluids Engineering, 2008, 130(3): 031301.
[7］ Arndt R E A, Hambleton W T, Kawakami E, et al. Creation and maintenance of cavities under horizontal surfaces in steady and gust flows[J]. Journal of Fluids Engineering, 2009, 131(11): 111301.
[8］ Lee S J, Kawakami E, Arndt R E A. Investigation of the behavior of ventilated supercavities in a periodic gust flow[J]. Journal of Fluids Engineering, 2013, 38(2): 081301.
[9］ Lee S J, Kawakami E, Karn A, et al. A comparative study of behaviors of ventilated supercavities between experimental models with different mounting configurations[J]. Fluid Dynamics Research, 2016, 48(4): 045506.

[10］ Sanabria D E, Balas G, Arndt R E A. Modeling, control, and experimental validation of a high-speed supercavitating vehicle[J]. IEEE Journal of Oceanic Engineering, 2015, 40(2): 362-373.
[11］ Karn A, Arndt R E A, Hong J. An experimental investigation into supercavity closure mechanisms[J]. Journal of Fluid Mecha- nics, 2016, 789(3): 259-284.
[12］ Karn A, Arndt R E A, Hong J. Dependence of supercavity closure upon flow unsteadiness[J]. Experimental Thermal and Fluid Science, 2015, 68:493-498.
[13］ Karn A, Arndt R E A, Hong J. Gas entrainment behaviors in the formation and collapse of a ventilated supercavity[J]. Experimental Thermal and Fluid Science, 2016, 79:294-300.
[14］ Yu K P, Zhou J J, Min J X, et al. A contribution to study on the lift of ventilated supercavitating vehicle with low Froude number[J]. Journal of Fluids Engineering, 2010, 132(11): 111303.
[15］周景军. 通气超空泡流动及航行体流体动力数值模拟研究[D]. 哈尔滨: 哈尔滨工业大学, 2011: 70-74.
ZHOU Jing-jun. Numerical simulation study on the ventilated supercavitating flow and hydrodynamics of vehicle[D]. Harbin: Harbin Institute of Technology, 2011: 70-74.(in Chinese)
[16］胡世良, 鲁传敬, 潘展程. 通气空泡重力效应研究[J].水动力学研究与进展, 2009, 24(6): 786-792.
HU Shi-liang, LU Chuan-jing, PAN Zhan-cheng. Research on the gravity effect of ventilated cavitating flows[J]. Chinese Journal of Hydrodynamics, 2009, 24(6): 786-792.(in Chinese)
[17］路中磊, 魏英杰, 王聪, 等. 开放空腔壳体入水扰动流场结构及空泡失稳特征[J]. 物理学报, 2017, 66(6):167-181.
LU Zhong-lei, WEI Ying-jie, WANG Cong, et al. Experimental and numerical investigation on the flow structure and instability of water-entry cavity by a semi-closed cylinder[J]. Acta Physica Sinica, 2017, 66(6): 167-181.(in Chinese)
[18］陈鑫. 通气空泡流研究[D]. 上海: 上海交通大学, 2006: 56-59.
CHEN Xin. An investigation of the ventilated cavitating flow[D]. Shanghai: Shanghai Jiao Tong University, 2006： 56-59.(in Chinese)
[19］潘展程. 通气超空泡流动结构与稳定性研究[D]. 上海: 上海交通大学, 2013: 13-21.
PAN Zhan-cheng. Study on the stability and flow structure of ventilated supercavitating flow[D]. Shanghai: Shanghai Jiao Tong University, 2013: 13-21.(in Chinese)
[20］ Nesteruk I. Shape of slender axisymmetric ventilated supercavities[J]. Journal of Computational Engineering, 2014, 501590: 1-18.

第39卷
第9期2018 年9月兵工学报ACTA
ARMAMENTARIIVol.39No.9Sep.2018

[1]	WANG Ge， ZHANG Chun， LIN Zhiwei， WANG Baohua， TAN Hu， CHEN Chen. Research on's Opening Distance of AHEAD Ammunition [J]. Acta Armamentarii, 2022, 43(S1): 115-120.
[2]	L Dailong， CHEN Shaosong， XU Yihang， QIU Jiawei. Aerodynamic Characteristics of Close-coupled Canard Missile [J]. Acta Armamentarii, 2022, 43(6): 1316-1325.
[3]	WANG Danyu, NAN Fengqiang, LIAO Xin, XIAO Zhongliang, DU Ping, WANG Binbin. Effect of Flame Inhibitor of the Muzzle Flame of Large Caliber Gun [J]. Acta Armamentarii, 2022, 43(2): 273-278.
[4]	XU Gancheng, YUAN Weize, CHEN Linheng, LI Chengxue, XIE Xuhu, NIE Mengqi. Seismic Collapse Resitance of NFB700 High-strength Steel Plate [J]. Acta Armamentarii, 2022, 43(2): 391-400.
[5]	LU Kuan， RAO Xiang， WANG Huamei， ZHANG Qian. The Influences of Different Mooring Systems on the Hydrodynamic Performance of Buoy [J]. Acta Armamentarii, 2022, 43(1): 120-130.
[6]	CHENG Shenshen, TAO Ruyi, WANG Hao, XUE Shao, LIN Qingyu. Dampling Characteristics of Projectile in Engraving Process of Nylon Sealing Band [J]. Acta Armamentarii, 2021, 42(9): 1847-1857.
[7]	GUAN Dian, LI Shipeng, LIU Zhu, WANG Ningfei. Influence of Lateral Acceleration on Ignition Transients of Solid Rocket Motor [J]. Acta Armamentarii, 2021, 42(9): 1877-1887.
[8]	WANG Danyu, NAN Fengqiang, LIAO Xin, XIAO Zhongliang, DU Ping, WANG Binbin. Characteristics of Muzzle Flow Field of Large Caliber Gun Considering Chemical Reaction [J]. Acta Armamentarii, 2021, 42(8): 1624-1630.
[9]	TAN Meijing， YANG Guang， LI Yu， ZHOU Yu， CAO Zhanwei， YAN Hao， TAN Zijing. Influence of Rectifying Wedge on the Flow Structure and Aerodynamic Heating Environment around All-movable Rudder [J]. Acta Armamentarii, 2021, 42(8): 1648-1659.
[10]	CHENG Yuansheng， XIE Jieke， LI Zhe， LIU Jun， ZHANG Pan. Damage Response Characteristics of UHMWPE/aluminum Foam Composite Sandwich Panel Subjected to CombinedBlast and Fragment Loadings [J]. Acta Armamentarii, 2021, 42(8): 1753-1762.
[11]	GAO Feng, ZHANG Ze. Review on Performance Evaluation of Solid Rocket Motors with Charge Defects [J]. Acta Armamentarii, 2021, 42(8): 1789-1802.
[12]	LIU Qingyang, LEI Juanmian. Numerical Simulation of Aerodynamic Interference of Close-coupled Highly Swept-back Wings at Transonic Velocity [J]. Acta Armamentarii, 2021, 42(7): 1412-1423.
[13]	DU Huachi， ZHANG Xianfeng， LIU Chuang， XIONG Wei， LI Pengcheng， CHEN Haihua. Trajectory Characteristics of Projectile Obliquely Penetrating into Steel Target with Multi-layer Space Structure [J]. Acta Armamentarii, 2021, 42(6): 1204-1214.
[14]	WANG Mengxin， CHEN Ruiying， WANG Jinxiang. Protective Properties of Porous Foam Aluminum Sandwich Composite Plate under the Combined Action of Fragment and ShockWave [J]. Acta Armamentarii, 2021, 42(5): 1041-1052.
[15]	TONG Ding, TIAN Hongyan, LIU Xinyuan, LIU Ye, GAO Chao, LI Xin. Effect of Inlet Bend Pipe on the Centrifugal Compressor Performance and Its Optimization Design [J]. Acta Armamentarii, 2021, 42(4): 706-714.