本文關(guān)鍵詞： 振蕩浮子 漂浮式 波浪能 陀螺形 建模與仿真 試驗(yàn)　出處：《太原科技大學(xué)》2014年碩士論文　論文類型：學(xué)位論文

【摘要】：隨著世界范圍內(nèi)化石能源的日益短缺，尋找新型替代能源顯得尤為迫切。波浪能作為一種儲(chǔ)量豐富的可再生綠色能源，得到了世界各國越來越多的關(guān)注和研究，經(jīng)過多年的技術(shù)積累后現(xiàn)已逐步接近實(shí)用化水平，特別是在一些缺乏常規(guī)能源的海島和海上設(shè)施中，波浪能顯示出了其特有的優(yōu)越性和生命力。本文針對(duì)雙浮體式振蕩浮子波能捕獲裝置展開了分析和研究，提出了利用陀螺浮子吸收波浪能，并從以下幾個(gè)方面展開工作。 首先，指出了課題的研究背景和意義，綜合闡述了國內(nèi)外波浪能發(fā)電的研究現(xiàn)狀、存在的問題以及發(fā)展的趨勢(shì)，并介紹了本課題的研究內(nèi)容。 其次，簡要介紹了波浪能發(fā)電的一般組成和分類，針對(duì)其中存在的部分問題，提出了一種以無動(dòng)力雙體船為載體的海上發(fā)電試驗(yàn)平臺(tái)，描述了平臺(tái)的整體結(jié)構(gòu)組成，重點(diǎn)介紹了雙浮體式波浪能發(fā)電裝置的工作和能量轉(zhuǎn)換原理，接著對(duì)發(fā)電裝置各個(gè)組成部分進(jìn)行了詳細(xì)的分析，并提出了本系統(tǒng)裝置的關(guān)鍵技術(shù)問題，為后文的仿真分析打下基礎(chǔ)。 然后，根據(jù)微幅波理論和推進(jìn)波的勢(shì)函數(shù)推導(dǎo)相關(guān)的數(shù)學(xué)表達(dá)式，基于弗汝德－克雷洛夫假定法對(duì)常見的浮子進(jìn)行受力分析并引入了圓錐浮子，提出了由圓柱與圓錐組合而成的陀螺浮子作為裝置的捕能機(jī)構(gòu)。為了驗(yàn)證陀螺浮子的合理性，首先建立裝置的數(shù)學(xué)模型，，然后以Workbench為工具，從浮子在波浪沖擊下的適應(yīng)性、功率特性、效率特性三方面入手，對(duì)不同形狀浮子進(jìn)行流固耦合分析，得出選擇陀螺浮子作為試驗(yàn)平臺(tái)波浪能捕獲機(jī)構(gòu)是非常合理的；緊接著從5個(gè)方面對(duì)陀螺浮子進(jìn)行了分析，為陀螺浮子的具體選取提供了一定的依據(jù)。 最后，先對(duì)整個(gè)試驗(yàn)平臺(tái)主要部分的結(jié)構(gòu)設(shè)計(jì)進(jìn)行了簡要的描述；接著，設(shè)計(jì)并搭建了相對(duì)運(yùn)動(dòng)式波浪能捕獲實(shí)驗(yàn)裝置，對(duì)理論模型和仿真模型進(jìn)行了驗(yàn)證，同時(shí)，為進(jìn)一步提高浮子的抗浪適應(yīng)性，仿生設(shè)計(jì)了三種柔性結(jié)構(gòu)的浮子模型，并進(jìn)行了實(shí)驗(yàn)測(cè)試，得出了結(jié)論，為波浪能裝置實(shí)物樣機(jī)的研制和即將進(jìn)行的海試提供了實(shí)驗(yàn)依據(jù)。
[Abstract]:With the increasing shortage of fossil energy in the world, it is urgent to find new alternative energy. Wave energy, as a kind of renewable green energy with abundant reserves, has been paid more and more attention and research in the world. After years of technological accumulation, it has gradually approached the practical level, especially in island and offshore facilities that lack conventional energy, The wave energy shows its unique superiority and vitality. In this paper, the analysis and research of the double floating oscillating float wave energy capture device are carried out, and the use of the gyro float to absorb the wave energy is put forward, and the work is carried out from the following aspects. Firstly, the background and significance of the research are pointed out, and the research status, existing problems and development trend of wave power generation at home and abroad are comprehensively described, and the research contents of this subject are introduced. Secondly, the general composition and classification of wave power generation are briefly introduced. In view of some problems, an offshore power generation test platform based on unpowered catamaran is proposed, and the overall structure of the platform is described. This paper mainly introduces the work and energy conversion principle of the double floating wave energy generating device, and then analyzes each component of the generating device in detail, and puts forward the key technical problems of the system. It lays a foundation for the simulation analysis of the following article. Then, according to the theory of micro-amplitude wave and the potential function of the propulsion wave, the related mathematical expressions are derived. Based on the Froud-#internal_person0# assumption method, the force of the common float is analyzed and the conical float is introduced. In order to verify the rationality of the gyro float, a mathematical model of the device is first established, and then, with Workbench as a tool, the adaptability of the float under wave impact is studied. Starting with three aspects of power characteristic and efficiency characteristic, the fluid-solid coupling analysis of floats with different shapes is carried out, and it is concluded that it is very reasonable to select gyro float as the wave energy capture mechanism of the test platform. Then the gyro float is analyzed from five aspects, which provides a basis for the selection of gyro float. Finally, the structure design of the main parts of the whole test platform is described briefly. Then, the experimental device of relative moving wave energy capture is designed and built, and the theoretical model and simulation model are verified, at the same time, In order to further improve the anti-wave adaptability of the float, three kinds of flexible structure float models are designed and tested, and the conclusion is drawn, which provides the experimental basis for the development of the physical prototype of the wave energy device and the upcoming sea test.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：P743.2

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