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Technical Fuel Conservation: Hull and Propeller Performance
Abstract
Hull and propeller performance monitoring is receiving more attention now than at any time in tanker industry history. The advent of new hull coating systems in connection with bunker prices and emission reduction initiatives has led to new scientifically sound metrics for evaluating the efficiency of drydock treatment, comparing hull coating systems on similar tanker types and determining economically optimal intervals for in-water husbandry. This chapter describes how technical fuel conservation policy, including a hull and propeller performance monitoring system, leads to enhanced vessel efficiency. Success of such a policy requires a tanker organization to employ a strong integration of efficiency metrics with daily operational policy and procedures. An example of such a policy: “It is the tanker company policy that the fuel consumption and the corresponding emissions shall be reduced as much as possible, however, still allowing that the profit of running the ships shall be optimized.” The main elements of this policy are outlined herein.
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