Flow past a sphere at the free-surface using URANS
Flow past a sphere at the free-surface using URANS
The flow past a sphere located at the free-surface, was studied over the critical Reynolds number range: 2x10^5 to 4x10^5. Experiments were carried out in the Lamont tank at the University of Southampton. Due to the inclusion of a free-surface, the solver interFoam (version OF-2.2.0) was used to simulate the flow past the sphere with a Courant number of 1.2 to allow the simulations to run faster without compensating on the results’ accuracy. Maximum wave resistance occurs when the sphere is half-submerged due the maximum crosssectional area of the sphere. The wave resistance component becomes negligible at an immersion depth greater than 175%D.
Maritime CFD, sphere, towing tank
James, M.
aaf059b7-05ec-4560-be35-7fc1bfe46f07
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, D.A.
3814e08b-1993-4e78-b5a4-2598c40af8e7
2 September 2013
James, M.
aaf059b7-05ec-4560-be35-7fc1bfe46f07
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, D.A.
3814e08b-1993-4e78-b5a4-2598c40af8e7
James, M., Turnock, S.R. and Hudson, D.A.
(2013)
Flow past a sphere at the free-surface using URANS.
16th Numerical Towing Tank Symposium, Mülheim, Germany.
02 - 04 Sep 2013.
Record type:
Conference or Workshop Item
(Paper)
Abstract
The flow past a sphere located at the free-surface, was studied over the critical Reynolds number range: 2x10^5 to 4x10^5. Experiments were carried out in the Lamont tank at the University of Southampton. Due to the inclusion of a free-surface, the solver interFoam (version OF-2.2.0) was used to simulate the flow past the sphere with a Courant number of 1.2 to allow the simulations to run faster without compensating on the results’ accuracy. Maximum wave resistance occurs when the sphere is half-submerged due the maximum crosssectional area of the sphere. The wave resistance component becomes negligible at an immersion depth greater than 175%D.
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Published date: 2 September 2013
Venue - Dates:
16th Numerical Towing Tank Symposium, Mülheim, Germany, 2013-09-02 - 2013-09-04
Keywords:
Maritime CFD, sphere, towing tank
Organisations:
Fluid Structure Interactions Group
Identifiers
Local EPrints ID: 359295
URI: http://eprints.soton.ac.uk/id/eprint/359295
PURE UUID: c9c0ca6e-62d9-4fec-977f-beddd5e45085
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Date deposited: 25 Oct 2013 12:53
Last modified: 15 Mar 2024 02:48
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Author:
M. James
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