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一种综合节能风帆的数值研究

DOI: 10.16411/j.cnki.issn1006-7736.2015.02.016, PP. 87-92

Keywords: 综合节能风帆,风能发电,风帆助航,节能减排,数值模拟,计算流体力学(CFD)

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Abstract:

为推进航运的节能减排,提出一种综合节能帆,该帆有效集中气流以带动发电机,实现利用风能同时进行助航和发电.通过对弓形薄翼帆的计算验证了CFD(计算流体力学)数值模型的可行性.对节能帆周围压力场和速度场的变化进行数值模拟,研究表明:导管出口风速vo和风场风速vi存在vo≈1.31vi的关系,节能帆可有效提高发电机发电效率,同时实现利用风能进行助航和发电.基于速度关系式对日本9万t煤炭专用船安装节能帆后的计算表明,节能帆具有一定的节能减排效果.

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