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Guihui Ma

As seen in: MDPI, Physical Review B, Mechanical Engineering Magazine
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Articles by Guihui Ma

Wake interference of tandem slender bodies at low angles of attack

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By Jiaxing Lu, Harbin Engineering, Guihui Ma
| Physical Review B
The flow over a slender body at low angles of attack generates concentrated vortical structures in the wake, which inevitably interfere with the hydrodynamics of a trailing body. This work elucidates the evolution of vortices shed from the leading body moving at low angles of attack (<6.3∘) and their influence on the trailing body through numerical and experimental approaches.
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Experimental Study on Motion Characteristics of Cavity Attached to the Tail of Underwater Vehicle

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By Xiongliang Yao, Guihui Ma, Nana Yang, Zhaoyu Qu
| MDPI
Author / Affiliation / Email Search Type Submit to this Journal Review for this Journal Edit a Special Issue Article Menu /ajax/scifeed/subscribe Altmetric share Share announcement Help format_quote Cite thumb_up ... Endorse textsms ... Comment Need Help? Support Find support for a specific problem in the support section of our website. Get Support Feedback Please let us know what you think of our products and services.
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Effects of Uncertainties in the Launch Parameters on the Pressure-Equalizing Air Film Around a Vertically Launched Underwater Vehicle

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By Guihui Ma, Fu Chen, Jianyang Yu, Kun Wang
| Mechanical Engineering Magazine Verified
Ceccio, S. L. , 2010, “ Friction Drag Reduction of External Flows With Bubble and Gas Injection,” Annu. Rev. Fluid Mech., 42(1), pp. 183–203. Cao, L. , Karn, A. , Arndt, R. E. A. , Wang, Z. , and Hong, J. , 2016, “ Numerical Investigations of Pressure Distribution Inside a Ventilated Supercavity,” ASME J. Fluids Eng., 139(2), p. 021301. Levy, L. J. , 2005, “ The Systems Analysis, Test, and Evaluation of Strategic Systems,” Johns Hopkins APL Tech. Dig., 26(4), pp. 438–442. Shi, H. H. , Zhou, Y. J. , Jia, H. X.
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Effect of Pressure-Equalizing Film on Hydrodynamic Characteristics and Trajectory Stability of an Underwater Vehicle With Injection Through One or Two Rows of Venting Holes

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By Guihui Ma, Fu Chen, Jianyang Yu, Yanping Song
| Mechanical Engineering Magazine Verified
Pressure-equalizing film is a slice of air film generated through exhausting and attached to the vehicle's exterior with nearly uniform inner pressure. Similar to ventilated cavity in composition, but of interest, here is the weakening of pitching moment and environment disturbance that the film offers, the film's forming speed and covering range upon vehicle determine the improvement effect of vehicle's trajectory stability as it emerges from water.
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