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Numerical investigation of added mass coefficient of a subsea manifold in the accelerating flow and oscillating flow

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Title Numerical investigation of added mass coefficient of a subsea manifold in the accelerating flow and oscillating flow
 
Creator Xiang, G
Xiang, X B
Yu, X C
 
Subject Added mass coefficient
CFD
Constant acceleration
Forced oscillating
Manifold
 
Description 944-953
The hydrodynamic forces and dynamic responses of subsea equipment, like manifolds, are significantly affected by the
motions of the mothership or the unexpected incoming underwater flows like current or internal wave. In this paper, the
hydrodynamic coefficients of a simplified subsea manifold, a submerged 3D prism are predicted through the constant
acceleration method and forced oscillating method, which are both implemented by the CFD simulation approach. The three
directional added mass coefficients of the prism in accelerating flow with different accelerations are obtained. But the value
of constant acceleration is found not significantly influencing the added mass coefficient of the rectangular prism. The added
mass coefficient of the rectangular prism studied in the paper is 0.233, 0.395, and 2.191 in X, Y and Z direction,
respectively. In order to predict the added mass coefficient of the 3D rectangular prism in oscillating flow, the forced
oscillating method is used to simulate the rectangular prism oscillating in three directions (X, Y, Z) under different
oscillating amplitude and frequency.
 
Date 2022-03-14T10:03:37Z
2022-03-14T10:03:37Z
2021-11
 
Type Article
 
Identifier 2582-6727 (Online); 2582-6506 (Print)
http://nopr.niscair.res.in/handle/123456789/59323
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJMS Vol.50(11) [November 2021]