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Investigation into the effects of two immiscible fluids on coefficient of discharge during Compartment Flooding

Investigation into the effects of two immiscible fluids on coefficient of discharge during Compartment Flooding
Investigation into the effects of two immiscible fluids on coefficient of discharge during Compartment Flooding
Despite the best precautions accidents that result in damage occur. Whether these damages occur to ships, offshore platforms or risers there is the potential that the ruptured compartment contains oil. In these scenarios it is important to understand how the leaking fluids will behave for the safety of the structure and to reduce the severity of the damage to the environment. To investigate the severity of oil leakage during damage fluid flow, experiments have been conducted investigating the effects of the shape and size of the damage orifice on the coefficient of discharge. Testing was performed on test panels with 14 different orifices with no petalling and 15 with petalling. The flooding rate of oil leaking out of a compartment was then measured and orifice flow theory applied to obtain the value of the discharge coefficient. The experimental results are compared to results generated previously for water flowing into a damaged orifice for the same shape and area of orifice. Whilst the trends for the coefficient of discharge are similar, for interacting immiscible fluids the value for the coefficient of discharge is smaller than for water flooding into an empty compartment and the flow takes considerably longer to reach equilibrium.
0029-8018
254-266
Wang, Xuan
36a42de1-7c63-445e-a760-c002dd0c7cfe
Li, Ang
b49977ff-900c-4160-98ce-dacd019903b8
Sobey, Adam
e850606f-aa79-4c99-8682-2cfffda3cd28
Tan, Mingyi
4d02e6ad-7915-491c-99cc-a1c85348267c
Wang, Xuan
36a42de1-7c63-445e-a760-c002dd0c7cfe
Li, Ang
b49977ff-900c-4160-98ce-dacd019903b8
Sobey, Adam
e850606f-aa79-4c99-8682-2cfffda3cd28
Tan, Mingyi
4d02e6ad-7915-491c-99cc-a1c85348267c

Wang, Xuan, Li, Ang, Sobey, Adam and Tan, Mingyi (2016) Investigation into the effects of two immiscible fluids on coefficient of discharge during Compartment Flooding. Ocean Engineering, 111, 254-266. (doi:10.1016/j.oceaneng.2015.10.050).

Record type: Article

Abstract

Despite the best precautions accidents that result in damage occur. Whether these damages occur to ships, offshore platforms or risers there is the potential that the ruptured compartment contains oil. In these scenarios it is important to understand how the leaking fluids will behave for the safety of the structure and to reduce the severity of the damage to the environment. To investigate the severity of oil leakage during damage fluid flow, experiments have been conducted investigating the effects of the shape and size of the damage orifice on the coefficient of discharge. Testing was performed on test panels with 14 different orifices with no petalling and 15 with petalling. The flooding rate of oil leaking out of a compartment was then measured and orifice flow theory applied to obtain the value of the discharge coefficient. The experimental results are compared to results generated previously for water flowing into a damaged orifice for the same shape and area of orifice. Whilst the trends for the coefficient of discharge are similar, for interacting immiscible fluids the value for the coefficient of discharge is smaller than for water flooding into an empty compartment and the flow takes considerably longer to reach equilibrium.

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More information

Accepted/In Press date: 29 October 2015
e-pub ahead of print date: 21 November 2015
Published date: 1 January 2016
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 384309
URI: http://eprints.soton.ac.uk/id/eprint/384309
ISSN: 0029-8018
PURE UUID: 2a563c4d-77fa-41c7-bcfe-1020d31dd59a
ORCID for Adam Sobey: ORCID iD orcid.org/0000-0001-6880-8338

Catalogue record

Date deposited: 08 Dec 2015 11:28
Last modified: 07 Oct 2020 06:22

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Contributors

Author: Xuan Wang
Author: Ang Li
Author: Adam Sobey ORCID iD
Author: Mingyi Tan

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