Numerical Investigation of Mass Injection Approach for Mitigation of Erosion on Propeller from Cavitation

Chowdhury, Nasimul Eshan

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dc.contributor.author	Chowdhury, Nasimul Eshan
dc.date.accessioned	2020-11-01T13:47:37Z
dc.date.available	2020-11-01T13:47:37Z
dc.date.issued	2018-11-15
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Propeller cavitation modelling by CFD- results from the VIRTUE 2008 Rome workshop. in Proceedings of the First International Symposium on Marine Propulsors, Trondheim, Norway. 2009. Citeseer. 34. Bensow, R.E. and G. Bark, Implicit LES predictions of the cavitating flow on a propeller. Journal of Fluids Engineering, 2010. 132(4): p. 041302. 35. Bensow, R.E. and G. Bark. Simulating cavitating flows with LES in OpenFoam. in V European conference on computational fluid dynamics. 2010.	en_US
dc.identifier.uri	http://hdl.handle.net/123456789/635
dc.description	Supervised by Dr. Arafat Ahmed Bhuiyan	en_US
dc.description.abstract	Cavitation in marine propeller is a common phenomenon and mitigate it is a demanding issue. In this regard, many studies have been carried out and some solutions have already been proposed. In fact, some of them are already in use. Air injection technique can be a new approach to this prevailing problem. The main focus of the current study is to construct a feasible numerical model that could suffice the approach and eventually use the model to investigate the effectiveness of this method. For this novel purpose, the k-ω SST turbulence model with the curvature correction and the Zwart cavitation model have been applied on the commercial CFD Code ANSYS. The combined model has been applied on a modified INSEAN E779a propeller. In case of light weight expandable mass, the method has been found very appealing. Besides, the model is robust enough to encompass the complexities of the cavitation phenomenon.	en_US
dc.language.iso	en	en_US
dc.publisher	Department of Mechanical and Production Engineering, Islamic University of Technology, Board Bazar, Gazipur, Bangladesh	en_US
dc.title	Numerical Investigation of Mass Injection Approach for Mitigation of Erosion on Propeller from Cavitation	en_US
dc.type	Thesis	en_US