New York Port Engineers Discuss Computerizing Diesel Fuel Quality

The first meeting of the 86-87 season by The Society of Marine Port Engineers New York heard a paper entitled "Computerizing Fuel Quality for Diesel Engines," prepared by William L. McCarthy, Gregory J. Shumski, and Matthew F. Winkler, all of Seaworthy Systems, Inc. of Essex, Conn. The paper was based on a study that Seaworthy made in cooperation with several shipowners and under the auspices of the Maritime Administration.

Vessel operators have traditionally purchased bunker fuels based upon price alone. Those who have considered fuel quality have generally concerned themselves with viscosity or density only. Seaworthy Systems, with the cooperation of Exxon USA, Interlake Steamship, Titan Navigation, Hvide Shipping, and Stolt-Nielsen has developed a versatile tool designed to aid purchasing personnel in the evaluation and selection of fuel oils for marine diesel power plants. This software system is intended for use as a shoreside management tool that could potentially save more than $200,000 per ship-year in fuel purchasing costs, and even more in premature maintenance cost avoidance.

By using the system, purchasing personnel are able to evaluate the best fuel choice among available bunkers from the standpoint of both cost per unit energy and compatibility with the given vessel's engine and fuel system. Operating personnel are made aware of potential operational and maintenance impacts, should a purchased fuel not meet its quoted specifications. The system is also capable of selecting the best value fuel for all diesel engines and fuel treatment system configurations presently found aboard U.S.-flag oceangoing merchant ships.

Maritime Reporter Magazine, page 12,  Nov 1986

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