CFD for Ballast Water & Bio-fouling Management
CFD for Ballast Water & Bio-fouling Management
CFD for Ballast Water & Bio-fouling Management
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BALLAST WATER EXCHANGE<br />
• Replace coastal water with open ocean water during<br />
a voyage<br />
– Emptying and refilling ballast tanks (sequential exchange)<br />
– Flow-through dilution/ continuous exchange<br />
• Concerns about<br />
– <strong>Bio</strong>logical effectiveness<br />
– Ship safety and operational issues<br />
• Excess bending moment/ shear stress, propeller immersion,<br />
minimum <strong>for</strong>ward draft, sloshing … <strong>for</strong> sequential exchange<br />
• Flushing by fresh water, stratification, over pressurization … <strong>for</strong><br />
continuous exchange<br />
<strong>CFD</strong> <strong>for</strong> <strong>Ballast</strong> <strong>Water</strong> & <strong>Bio</strong>-<strong>fouling</strong> <strong>Management</strong>