摘要

　　船舶推進器的發展與革新向來是追求船舶性能的主要課題之一，而螺槳無論在設計理論或是實驗上皆已漸趨成熟，為了突破目前螺槳所面臨到螺槳性能與機械複雜度這兩大瓶頸，世界各國莫不投入新式推進器的研發。環驅推推進器是近年才研發出來之產品，且還未被大量使用，因此我們希望及早開始相關研究。我們針對利用機械結構傳動的方法來進行機構設計及探討其可行性，並且將製作後之模型搭配葉片，進行一簡易之流場可視化實驗，觀察其一般特性，並期望能將其應用在水下載具的設計與應用中。

ABSTRACT

　　The development and innovation of ship propulsors is a major topic in raising ship performance. However, design theory and experiment of propellers gradually become mature. Many countries proceeded to study new propulsors in order to overcome two choke points, performance and mechanical complexity of propeller. “Rim-Driven Propeller” is a creative new product in recent years. Thus, we hope to begin some related studies as soon as possible. We point at the mechanical structure transmission design and feasibility. After manufacturing, the Rim-Driven Propeller model collocate blades with hub and without hub. We carry out a simple fluid visualization experiment and observe its general characteristics.

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