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首页> 外文会议>Fleet Maintenance Symposium '99, Oct 26-27, 1999 >USCG Cutter Propulsion Fuel Savings For Ships In Service
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USCG Cutter Propulsion Fuel Savings For Ships In Service

机译：USCG切削推进器在役船舶的燃油节省

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In the past few decades, various energy saving devices (ESDs) have been developed which can produce energy savings of up to fifteen percent by improving hull and/or propeller performance. These energy savings translate directly into fuel savings, and therefore a reduction in operating costs In the first part of this paper, various ESDs are described and the potential performance of these devices is assessed in general terms based on the known characteristics of the devices. While incorporation of some of the ESDs would require major hull modifications or significant investments in machinery, most of the ESDs outlined in the paper can inexpensively be added to existing vessels to improve performance and operation. For application to USCG's fleet of vessels, a matrix of cutters and potential devices was developed to determine the most promising applications, from which recommendations were offered for the fitting of the appropriate devices to various cutter types. As a result of these recommendations, a cost benefit analysis was conducted for the most promising ESDs to be installed on five classes of USCG cutters already in service. The modifications are predicted to result in fuel savings of three to ten percent. They can be accomplished without changes to the hull form and at a relatively modest cost. Descriptions of the installations are provided, as well as the estimated installation cost, the estimated fuel savings and the payback period.
机译：在过去的几十年中，已经开发出各种节能设备（ESD），它们可以通过改善船体和/或螺旋桨的性能而节省多达15％的能源。这些节能直接转化为燃料节省，因此降低了运行成本。在本文的第一部分中，介绍了各种ESD，并根据设备的已知特性从总体上评估了这些设备的潜在性能。虽然合并某些ESD会要求对船体进行重大修改或在机械上进行大量投资，但本文中概述的大多数ESD都可以廉价地添加到现有船只中，以改善性能和操作。为了应用于USCG的船队，已开发出一系列刀具和潜在设备，以确定最有前途的应用，并从中提出了将合适的设备安装到各种刀具类型的建议。这些建议的结果是，对已经安装在五类USCG切割机上的最有前途的ESD进行了成本效益分析。预计这些修改将节省三到百分之十的燃料。它们可以在不改变船体形式且成本相对适中的情况下完成。提供安装说明，以及估计的安装成本，估计的燃料节省和投资回收期。

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