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THE SCUTTLEbutt.

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Marine Vessel Emissions, Strategies for Abatement
February 12, 2009

After years of debate, the beginning of 2008 found broad industry recognition that marine vessel emissions have a significant impact on population health in coastal areas, and to a lesser extent global warming.

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Ballast Water Treatment Technology: Design, Risk Assessment, and Installation on a Tank Ship
August 15, 2008

The IMO has established a timetable by which vessels must be equipped with ballast water treatment systems that meet a prescribed performance standard.

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Design of a Low Emissions Harbor Tug
January 1, 2008

Crowley Maritime Corporation has designed a next generation solution for a very low emissions ship assist tug for service in Los Angeles and Long Beach (LA/LB) harbors.

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Application of Cross Co-Spectral Moments to Von Mises Stress
January 1, 2007

Recent advances in the analysis of joint seakeeping processes are applied to the prediction of Von Mises stress.

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Ferry Wake Wash Analysis in San Francisco Bay
January 1, 2007

The present paper describes the analysis of ferry wake wash along a proposed route between San Francisco and a new ferry terminal at Hercules.

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Cross-Structure Loads of a Simple SWATH Vessel
May 1, 2006

Wave-induced cross-structure loads are presented for a SWATH (Small Waterplane Area Twin Hull) vessel whose hull is made up of simple geometrical shapes

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TractorPlus Performance Results
April 24, 2006

An innovative re-configuration to an existing Voith Water Tractor by Foss Maritime met the customer-driven need for a higher bollard pull tug to handle large new‑build container ships in Tacoma, Washington.

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Optimizing Your Ferry System: Choosing the Right Vessel for the Right Route
November 4, 2005

Transportation planning is vital to selecting the right vessel and operating scenario for a ferry route or for optimizing a ferry transportation system.

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Principal Axes for Seakeeping Response Processes
October 1, 2004

This paper complements an earlier paper by the same author titled “Joint Seakeeping Response Processes for Determining Structural Loads,” presented at the 2002 SNAME Annual Meeting.

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Maneuvering Simulations – An Application to Waterway Navigability
October 17, 2003

Gray et al. (2003) have identified channel width as an emerging important feature of channel design. In this paper, a powerful new procedure is advanced for the analysis of navigational aberrancy and channel width requirements.

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