EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL

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DEHGHAN MANSHADI MOJTABA; ESFANDEH SAEID; DEHGHAN ALI AKBAR; SAEIDINEZHAD ALI

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Journal: Modares Mechanical Engineering Year:2015 | Volume:15 | Issue:8 Page(s): 29-40

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Title

EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL

Author(s)

DEHGHAN MANSHADI MOJTABA | ESFANDEH SAEID | DEHGHAN ALI AKBAR | SAEIDINEZHAD ALI | Issue Writer Certificate

Keywords

WAKEQ1

SUBMARINE MODELQ2

FIVE-HOLE PROBEQ1

WIND TUNNELQ2

Abstract

In present study, the WAKE flow field of a SUBMARINE MODEL was investigated experimentally in a WIND TUNNEL. These experiments were conducted in four different locations X/L= 0.85, 1, 1.25 and 1.5 downstream of the model at Reynolds number of 3.85×105 by a five hole probe. The effect of various factors such as the variation of Reynolds number, the installation of the trip strip on the model nose surface, the mounting of the appendages on the submarine bare hull model and the nose shape effect on the WAKE structure were investigated in this study. The results showed that the installation of the trip strip on the nose surface did not have recognizable effects. By Increasing the Reynolds number, the amount of the dropping velocity in the WAKE field decreased due to the decreasing of the separation region on the after-body section. Presentation of the appendages on the model surface lead to the increasing of the WAKE area. The effect of the nose shape on the WAKE of the SUBMARINE MODEL is the main innovation in the present work. Investigations showed that the velocity in the central part of the WAKE for non-axisymmetric nose shape (TANGO) decreased in comparison with the axisymmetric nose shape (SUBOFF and STANDARD).

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APA: Copy

DEHGHAN MANSHADI, MOJTABA, ESFANDEH, SAEID, DEHGHAN, ALI AKBAR, & SAEIDINEZHAD, ALI. (2015). EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL. MODARES MECHANICAL ENGINEERING, 15(8), 29-40. SID. https://sid.ir/paper/179059/en

Vancouver: Copy

DEHGHAN MANSHADI MOJTABA, ESFANDEH SAEID, DEHGHAN ALI AKBAR, SAEIDINEZHAD ALI. EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL. MODARES MECHANICAL ENGINEERING[Internet]. 2015;15(8):29-40. Available from: https://sid.ir/paper/179059/en

IEEE: Copy

MOJTABA DEHGHAN MANSHADI, SAEID ESFANDEH, ALI AKBAR DEHGHAN, and ALI SAEIDINEZHAD, “EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL,” MODARES MECHANICAL ENGINEERING, vol. 15, no. 8, pp. 29–40, 2015, [Online]. Available: https://sid.ir/paper/179059/en

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