Experimental Investigation of the Effect of Displacement of Stern Planes on Reducing Non-Uniformity and Fluctuations of a Submarine's Wake Flow

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MOHAMMAD BEIGI SH.; SHATERI A.R.; DEHGHAN MANSHADI M.

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Journal: Modares Mechanical Engineering Year:2021 | Volume:21 | Issue:4 Page(s): 209-224

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Title

Experimental Investigation of the Effect of Displacement of Stern Planes on Reducing Non-Uniformity and Fluctuations of a Submarine's Wake Flow

Author(s)

MOHAMMAD BEIGI SH. | SHATERI A.R. | DEHGHAN MANSHADI M. | Issue Writer Certificate

Keywords

Submarine ModelQ1

Control SurfacesQ1

Wind TunnelQ2

Five-Hole ProbeQ1

HotwireQ2

Wake FlowQ1

Abstract

In the present study, the Wake Flow field of a Submarine Model was investigated experimentally in a Wind Tunnel. The experiments were conducted to determine the effect of the location of Control Surfaces on the wake inflow to the impeller of the submarine. In order to investigate the effect of the location of Control Surfaces as the most important innovation of the present study, the aforementioned surfaces were installed in three longitudinal positions 𝑋 ⁄ 𝐿 = 0. 89, 0. 92, 0. 95 on the heel of the Submarine Model, and the Wake Flow was measured at the position 𝑋 ⁄ 𝐿 = 0. 978 and the Reynolds number 6 × 105 by a Five-Hole Probe and a Hotwire anemometer. Finally, the longitudinal position 𝑋 ⁄ 𝐿 = 0. 95 was selected as the optimal location for the stern planes to improve the wake inflow to the impeller in terms of reducing its total area and the least amount of turbulence and non-uniformity. The results obtained during this study showed that arriving of the holder base's wake to the stern area increases the area and average velocity and subsequently reducing the non-uniformity of the Wake Flow.

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APA: Copy

MOHAMMAD BEIGI, SH., SHATERI, A.R., & DEHGHAN MANSHADI, M.. (2021). Experimental Investigation of the Effect of Displacement of Stern Planes on Reducing Non-Uniformity and Fluctuations of a Submarine's Wake Flow. MODARES MECHANICAL ENGINEERING, 21(4 ), 209-224. SID. https://sid.ir/paper/372501/en

Vancouver: Copy

MOHAMMAD BEIGI SH., SHATERI A.R., DEHGHAN MANSHADI M.. Experimental Investigation of the Effect of Displacement of Stern Planes on Reducing Non-Uniformity and Fluctuations of a Submarine's Wake Flow. MODARES MECHANICAL ENGINEERING[Internet]. 2021;21(4 ):209-224. Available from: https://sid.ir/paper/372501/en

IEEE: Copy

SH. MOHAMMAD BEIGI, A.R. SHATERI, and M. DEHGHAN MANSHADI, “Experimental Investigation of the Effect of Displacement of Stern Planes on Reducing Non-Uniformity and Fluctuations of a Submarine's Wake Flow,” MODARES MECHANICAL ENGINEERING, vol. 21, no. 4 , pp. 209–224, 2021, [Online]. Available: https://sid.ir/paper/372501/en

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