【作者】

Elias Boletis

【摘要】

该论文已在赫尔辛基举行的第28届CIMAC世界大会上发表，论文的版权归CIMAC所有。 The marine applications provide serious challenges to the propulsion system designer. While bollard pull performance, manoeuvrability, compactness and ease of installation remain critical matters, great attention needs to be drawn to energy efficiency, environmental performance. Especially energy efficiency remains the most important parameter, influencing the life cycle costs of the operator at the most and directly impacting the environmental performance of the vessel. The present paper gives emphasis on the effort of the propulsion system engineer to achieve the highest optimization. This requires not only the highest efficiency from the individual systems and components but mostly the most efficient system integration. Emphasis will be given at the propulsion system: ship hull design/ propulsion unit/ shafting/ electrical machinery/ main engine. Both the mechanical and the electrical systems integration are considered. Three main cases will be analysed with as target to demonstrate the importance of the integration of the mechanical and electrical systems: 1) Engine and propulsion unit integration for offshore support vessels (OSVs) and tugboats. These vessels require medium size azimuth thruster units and medium/ high speed reciprocating engines. For efficiency enhancement, hybrid propulsion is considered in combination with advanced electrical machinery. 2) Engine and propulsion unit integration for Anchor Handling Tug Supply vessels (AHTS) and fishery applications. These vessels require Controllable Pitch Propellers, two- speed gear boxes and medium speed reciprocating engines. The overall automation control system is of critical importance. 3) Engine and propulsion integration for offshore drilling vessels. These vessels require large steerable thruster units (under- water mountable and/ or retractable) with large reciprocating engines. Performance integration leads at optimal Dynamic Positioning performance and lowest energy consumption. In parallel, very long periods between unit overhaul are required.

【会议名称】

第28届CIMAC会议

【会议地点】

芬兰 赫尔辛基

【下载次数】

2

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