A study of the effect of recesses on the motion resistance of submarines by methods of computational fluid dynamics

Authors

DOI:

https://doi.org/10.15587/1729-4061.2020.212005

Keywords:

submarine, macro-vortex means of reducing motion resistance, computational fluid dynamics

Abstract

A new method of reducing the resistance of submarines is presented, which consists in installing special circular recesses on its surface in the stern. It is found that during the movement, in the recesses there is a macro-vortex flow, in which pressure decreases significantly. This phenomenon affects the characteristics of the boundary layer and in general the pressure distribution on the surface of the hull, i. e. the resistance of the submarine. Using the methods of computational fluid dynamics, the influence of the number and size of the recesses at their fixed location on the resistance of two types of “Lira” and “Gepard” submarines is investigated. The results show that the decrease in resistance increases with increasing Reynolds number and reaches 6 % for “Lira” with 4 recesses with a diameter of d=0.01 D at Re=1.55·108 and 2 % at Re=1.35·108 for “Gepard” with 7 recesses with a diameter of d=0.01 D. The effect of the number of cells of the computational grid on the results of calculations in the Flow Simulation (USA, France, Canada) and Flow Vision (Russian Federation) software packages was also studied. The effect of resistance reduction obtained in both software packages is approximately the same, but the absolute values differ due to the small number of cells in Flow Vision, which is due to the limited capabilities of the used 2nd version of this complex. There was also a slight effect of resistance reduction on the model of the “Persia-110” (Iran) submarine with recesses during towing tests in the research basin at significantly lower Reynolds numbers. Unlike most resistance reduction means, the use of this method does not require significant changes in the design of the housing. This makes it possible to use it both on new facilities and on facilities that have already been commissioned

Author Biographies

Julia Bodnarchuk, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolaiv, Ukraine, 54025

Postgraduate Student

Educational and Scientific Center Hydromechanics

Yuriy Korol, Admiral Makarov National University of Shipbuilding Heroiv Ukrainy ave., 9, Mykolaiv, Ukraine, 54025

PhD, Associate Professor

Educational and Scientific Center Hydromechanics

Mohammad Moonesun, Malek Ashtar University of Technology Shahinshahr in Isfahan Iran Isfahan, Isfahan 17469-37181, Iran

PhD in Engineering Science, Senior Lecturer

Center for Underwater Research

References

  1. Moonesun, M., Korol, Y. M., Dalayeli, H. (2015). CFD Analysis on the Bare Hull Form of Submarines for Minimizing the Resistance. International Journal of Maritime Technology, 3, 1–16. Avaialble at: http://ijmt.ir/files/site1/user_files_13d531/moonesun-A-10-450-1-97a2052.pdf
  2. Moonesun, M., Korol, Y. M., Brazhko, A. (2015). CFD analysis on the equations of submarine stern shape. Journal of Taiwan Society of Naval Architects and Marine Engineers, 34 (1), 21–32. Avaialble at: https://www.researchgate.net/publication/283106187_CFD_analysis_on_the_equations_of_submarine_stern_shape
  3. Moonesun, M., Korol, Y. M., Nikrasov, V. A., Ursalov, A., Brajhko, A. (2016). CFD analysis of the bow shapes of submarines. Journal of Scientific and Engineering Research, 3 (1), 1–16. Avaialble at: https://www.researchgate.net/publication/331001130_CFD_analysis_of_the_bow_shapes_of_submarines
  4. Moonesun, M., Mahdian, A., Korol, Y. M., Dadkhah, M., Javadi, M. M., Brazhko, A. (2016). Opti mum L/D for Submarine Shape. Indian Journal of Geo-Marine Sciences, 45 (1), 38–43. Avaialble at: https://pdfs.semanticscholar.org/0bb4/68b6b618d564c401285ecf31129312e677a2.pdf
  5. Anthony, S. (2014). China’s supersonic submarine, which could go from Shanghai to San Francisco in 100 minutes, creeps ever closer to reality. ExtremeTech. Avaialble at: https://www.extremetech.com/extreme/188752-chinas-supersonic-submarine-which-could-go-from-shanghai-to-san-francisco-in-100-minutes-creeps-ever-closer-to-reality#:~:text=Researchers%20in%20China%20are%20reporting,miles%20%E2%80%94%20in%20just%20100%20minutes
  6. Kukner, A., Duran, A., Cinar, T. (2016). Investigation of flow distribution around a submarine. Journal of Naval Science and Engineering, 12 (2), 1–26. Avaialble at: https://www.researchgate.net/publication/313253877_INVESTIGATION_OF_FLOW_DISTRIBUTION_AROUND_A_SUBMARINE
  7. Testa, C., Greco, L. (2018). Prediction of submarine scattered noise by the acoustic analogy. Journal of Sound and Vibration, 426, 186–218. doi: https://doi.org/10.1016/j.jsv.2018.04.011
  8. Wang, L. (2017). Numerical Analysis of Wake Field over a Submarine with Full Appendages Based on STAR-CCM+. DEStech Transactions on Materials Science and Engineering, (icmsea/mce). doi: https://doi.org/10.12783/dtmse/icmsea/mce2017/10852
  9. Mora Paz, J. D., Tascón Muñoz, O. D. (2014). Multiobjective Optimization of a Submarine Hull Design. Ciencia y Tecnología de Buques, 7 (14), 27. doi: https://doi.org/10.25043/19098642.92
  10. Ahmadzadehtalatapeh, M., Mousavi, M. (2015). A Review on the Drag Reduction Methods of the Ship Hulls for Improving the Hydrodynamic Performance. International Journal of Maritime Technology, 4, 51–64. Avaialble at: http://ijmt.ir/browse.php?a_id=428&slc_lang=en&sid=1&printcase=1&hbnr=1&hmb=1
  11. Aoki, K., Muto, K., Okanaga, H., Nakayama, Y. (2009). Aerodynamic characteristic and flow pattern on dimples structure of a sphere. 10th International Conference on Fluid Control, Measurements and Visualization. Avaialble at: http://www.ihed.ras.ru/flucome10/cd/papers/221.pdf
  12. Tai, C.-H., Leong, J.-C., Lin, C.-Y. (2007). Effects of golf ball dimple configuration on aerodynamics, trajectory, and acoustics. Journal of Flow Visualization and Image Processing, 14 (2), 183–200. doi: https://doi.org/10.1615/jflowvisimageproc.v14.i2.40
  13. Donnelly, K. J. (2009). Reduction of Ship Resistance through Induced Turbulent Boundary Layers. Melbourne, 74. Avaialble at: http://my.fit.edu/~swood/Reduction%20of%20Ship%20Resistance%20through%20Induced%20Turbulent%20Boundary%20Layers.pdf
  14. Korol, Yu. M., Bodnarchuk, Yu. S. (2018). Pat. No. 134146 UA. Sposib rehuliuvannia rozpodilu tysku na zmocheniy poverkhni sudna. No. u201808745; declareted: 15.08.2018; published: 10.05.2019, Bul. No. 9.
  15. Praveen, P., Krishnankutty, P. (2013). Study on the effect of body length on the hydrodynamic performance of an axi-symmetric underwater vehicle. Indian Journal of Geo-Marine Sciences, 42 (8), 1013–1022. Avaialble at: https://www.researchgate.net/publication/289737121_Study_on_the_effect_of_body_length_on_the_hydrodynamic_performance_of_an_axi-symmetric_underwater_vehicle
  16. Vali, A., Saranjam, B., Kamali, R. (2018). Experimental and Numerical Study of a Submarine and Propeller Behaviors in Submergence and Surface Conditions. Journal of Applied Fluid Mechanics, 11 (5), 1297–1308. doi: http://doi.org/10.29252/jafm.11.05.28693
  17. Hodkost' podvodnyh lodok. Avaialble at: https://znatock.org/s69t1.html

Downloads

Published

2020-10-31

How to Cite

Bodnarchuk, J., Korol, Y., & Moonesun, M. (2020). A study of the effect of recesses on the motion resistance of submarines by methods of computational fluid dynamics. Eastern-European Journal of Enterprise Technologies, 5(7 (107), 82–89. https://doi.org/10.15587/1729-4061.2020.212005

Issue

Section

Applied mechanics