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Paper Information

Journal:   MODARES MECHANICAL ENGINEERING   NOVEMBER 2015 , Volume 15 , Number 8; Page(s) 29 To 40.
 
Paper: 

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
 
* DEPARTMENT OF MECHANICAL AND AEROSPACE ENGINEERING, MALEK ASHTAR UNIVERSITY OF TECHNOLOGY, ISFAHAN, IRAN
 
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).

 
Keyword(s): WAKE, SUBMARINE MODEL, FIVE-HOLE PROBE, WIND TUNNEL
 
 
References: 
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Citations: 
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APA: Copy

DEHGHAN MANSHADI, M., & ESFANDEH, S., & DEHGHAN, A., & SAEIDINEZHAD, A. (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. https://www.sid.ir/en/journal/ViewPaper.aspx?id=465403



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. 2015 [cited 2021October27];15(8):29-40. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=465403



IEEE: Copy

DEHGHAN MANSHADI, M., ESFANDEH, S., DEHGHAN, A., SAEIDINEZHAD, A., 2015. EXPERIMENTAL INVESTIGATION OF THE WAKE OF A SUBMARINE MODEL BY FIVE-HOLE PROBE IN A WIND TUNNEL. MODARES MECHANICAL ENGINEERING, [online] 15(8), pp.29-40. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=465403.



 
 
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