SYSTEM AND METHOD FOR ENHANCED MARINE VESSEL EFFICIENCY USING INTEGRATED HULL OPTIMIZATIONS
A system and method for enhancing marine vessel efficiency through integrated hull optimizations is disclosed. The system includes automated bow thruster covers that reduce hull drag and condition water flow, coupled with strategically positioned air lubrication nozzles that create and maintain an air layer under the vessel. The bow thruster covers may be configured as circular doors or parallel panels, optionally incorporating air discharge ports or working in conjunction with dedicated air jets. An intelligent control system optimizes the integrated components using real-time sensor data and computational fluid dynamic analysis. The system modulates air distribution and cover positions based on sea conditions and vessel speed, maintaining optimal efficiency during operation. External surfaces may incorporate superaerophilic structures to enhance air retention and reduce drag. The comprehensive integration of these components provides improved hydrodynamic efficiency while maintaining full bow thruster functionality when required.
1 . An active system for reducing hydrodynamic drag on a hull of a marine craft, the system comprising:
an automated air distribution system, wherein said automated air distribution system includes at least one compressor with a distributed automation-control module, at least one airflow modulation valves, and at least one air lubrication nozzle;
said automated air distribution system coupling each of said at least one compressors to an automated valve with a plurality of air conduits;
said automated air distribution system coupling each of said automated valve to at least one of said air lubrication nozzles with at least one air conduit;
each automated valve including a distributed automation-control module;
at least one moveable transverse tunnel cover having an external submerged surface, wherein each moveable transverse tunnel cover includes a controllable actuator;
a user interface module; and
a central automation-control module electronically coupled to at least each distributed automation-control module on each compressor, each distributed automation-control module at each automated valve, each controllable actuator, and coupled to said user interface module.
2 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 1 , wherein each air lubrication nozzle comprises:
a main body having an open cavity therein;
a gas flow inlet in said main body;
an open air-interface boundary disposed at a lower horizontal plane, wherein said open air-interface boundary is substantially coplanar with an adjacent surface of said hull;
at least one longitudinal engagement area at said open air-interface boundary; and
a flow modulating nozzle flap coupled to said at least one longitudinal engagement area, wherein said flow modulating nozzle flap is configured to modulate a direction and flow rate of a gaseous flow.
3 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 1 , further comprising:
at least one pair of moveable transverse tunnel covers positioned at distal ends of a transverse tunnel.
4 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 3 , wherein each moveable transverse tunnel cover in said at least one pair of moveable transverse tunnel covers positioned at distal ends of said transverse tunnel comprises:
a substantially circular door portion having a continuous external surface and a shaft portion integrally formed therewith, wherein rotation of said door is accomplished by rotating said shaft.
5 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 3 , wherein each moveable transverse tunnel cover in said at least one pair of moveable transverse tunnel covers positioned at distal ends of said transverse tunnel comprises:
a plurality of moveable parallel panels, each pivotable about its longitudinal axis, whereby said plurality of moveable parallel panels form a substantially solid surface in a closed state, and a louvred channel in an open state to permit fluid flow therethrough.
6 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 3 , wherein each moveable transverse tunnel cover in said at least one pair of moveable transverse tunnel covers positioned at distal ends of said transverse tunnel comprises:
a moveable panel; and
an air discharge port positioned at an interior edge of said moveable panel, whereby said air discharge port provides air distribution when said moveable panel is partially opened during forward movement of said marine craft.
7 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 3 , further comprising:
an air jet positioned forward of said at least one moveable transverse tunnel cover, wherein said air jet is recessed into a bow section of said marine craft, and said air jet is positioned to disburse a flow of gas in an aft direction over an exterior surface of said at least one moveable transverse tunnel cover.
8 . The active system for reducing hydrodynamic drag on a hull of a marine craft, as recited in claim 1 , further comprising:
at least one sea state sensor;
at least one speed sensor;
at least one air pressure sensor positioned between each automated valve and each air lubrication nozzle;
at least one GPS unit;
said central automation-control module having at least a processor, a memory, and input/output connections electronically coupled to each sea state sensor, each speed sensor, each air pressure sensor, each GPS unit, each distributed automation-control module on each compressor, each distributed automation-control module at each automated valve, and each controllable actuator, wherein said memory includes a program stored thereon, whereby once executed by the processor comprises the steps of:
recording sea state conditions from said at least one sea state sensor;
recording vessel speed from said at least one speed sensor and said GPS unit;
recording air pressure at each air lubrication nozzle from said at least one air pressure sensor;
performing computational fluid dynamic analysis using said recorded sea state conditions and said recorded vessel speed to determine optimal air distribution patterns;
modulating a gaseous flow from at least one compressor through at least one automated valve based on said computational fluid dynamic analysis;
increasing said gaseous flow to at least one air lubrication nozzle to lower a flow modulating nozzle flap and increase airflow to a targeted area of said hull based on said optimal air distribution patterns;
decreasing said gaseous flow to at least one air lubrication nozzle to raise a flow modulating nozzle flap and decrease airflow based on said optimal air distribution patterns; and
actuating at least one moveable transverse tunnel cover based on engagement of a bow thruster and said computational fluid dynamic analysis to optimize water flow patterns around said air lubrication nozzles.