For the next installment in our series of technical articles, Ryan Nicoll of DSA looks at controlling uncertainty in buoy drag coefficient when designing oceanographic moorings.
Spherical ADCP Buoys
DeepWater Buoyancy understands the value of data recovery, as well as, ADCP technology, oceanographic operations and what it takes to supply products that ensure success.
Manufactured from high-performance DeepTec® syntactic foam, adjustable urethane and UHMW instrument clamps, and 316L stainless steel and titanium hardware, DeepWater Buoyancy’s ADCP Buoys are designed to outperform and outlast conventional mooring flotation.
Available with depth ratings to 6000 meters, they require minimal maintenance and are extremely durable under the most rigorous deepwater conditions.
Designed by an experienced engineering staff that fully understands the effects of mooring excursions on data quality, galvanic corrosion and biofouling, these buoys are performance-proven and have a long track record of successful deployment and recovery.
DeepWater ADCP Buoy Universal Clamp with Teledyne RDI Sentinel
Spherical ADCP Buoy with Teledyne RDI Long Ranger - India Arctic
DeepWater Buoyancy Spherical ADCP Buoy outfitted with a "Ring Frame" for a 5-Beam ADCP. Teledyne RDI Sentinel V Shown.
Top view of DeepWater Buoyancy "Ring Frame" for a 5-Beam ADCP. Teledyne RDI Sentinel V Shown.
Close up of a DeepWater Buoyancy "Ring Frame" for a 5-Beam ADCP. Teledyne RDI Sentinel V Shown.
DeepWater Spherical ADCP Buoys on Skid
Spherical ADCP with Teledyne RDI Long Ranger and Extended Frame - OOI
Spherical ADCP Center Bail Detail
Universal ADCP ClampRelated Media
Mooring Matters: Sustained Measurements of Crucial Ocean Currents – PART 2
Part 2 of Dr. Peter Spain’s article on the development of ADCP technology and the use of syntactic foam buoyancy in subsea moorings.
NEW Pop-Up Buoy for Sonardyne LRT
DeepWater Buoyancy, Inc. has developed a new Pop-Up Buoy Recovery System for the Sonardyne LRT Acoustic Release.
Related Products
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Hydro-float® Mooring Buoys
DeepWater Buoyancy’s subsurface mooring buoys are more versatile and reliable than conventional hollow glass or metal floats. The buoys may be cast with through holes and instrumentation pockets on any axis without compromising their strength because of their solid construction. Clamps and mounting hardware can be added for any user-supplied instrumentation.
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Elliptical ADCP Buoys
These buoys are have the same rugged design as the spherical ADCP buoys, but have an elliptical shape for higher current applications. Available with depth ratings from 200m to 6000m.
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UpdatedInstrument Bottom Mounts
Whether your bottom mount requirement is for a mid-frequency or high-frequency ADCP, we can accommodate you. These diver-serviceable units can be produced to accept your ADCP, battery, CTD, acoustic modem or other instrument. The popular BTM-AL50 is now offered in both welded and collapsible versions.
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ADCP Inline Mooring Frames
Our in-house engineering and metal fabrication capabilities can identify a standard frame for your application or customize one to suit your needs. Working in stainless steel, aluminum or titanium, we can get your frames in line.
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New ProductMooring Line Cable Fairing
Under certain flow conditions, taut mooring lines can vibrate or “strum”. The strumming is caused by vortices that result from the water passing over the line diameter. Strumming not only creates cable fatigue, it can have a detrimental effect on instruments in the mooring string. Our cable fairings reduce strumming by eliminating this vortex action. The result is a reduction in both strumming and drag.
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Trawl-Resistant Bottom Mounts
These TRBMs may be deployed by free-fall, or by a diver or ROV. They have a double axis gimbal inside a buoyant recovery pod, and are designed to permit retrieval of all mounted instruments. An optional Spectra line pack can be provided for recovery of the base for turnaround deployments. Our TRBMs are available in depths of over 500 meters. We also offer disposable concrete bases.
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StableMoor® Mooring Buoys
For a more extreme current application, turn to the StableMoor® line of buoys. These unique ADCP buoys are customized for your particular application. Accounting for depth, instrument types and current, this design will give you stable data in unstable waters.
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