本文關(guān)鍵詞：基于CFD技術(shù)的液壓管道過濾系統(tǒng)研究及過濾結(jié)構(gòu)優(yōu)化設(shè)計(jì)　出處：《沈陽理工大學(xué)》2012年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 液壓管路 過濾系統(tǒng) 數(shù)值模擬 FLUENT軟件 參數(shù)化設(shè)計(jì)

【摘要】：管道過濾系統(tǒng)是用來濾除液壓管道系統(tǒng)中流體介質(zhì)中的雜質(zhì)，保證流體的清潔度，由于該行業(yè)的專業(yè)性，目前國家在這一領(lǐng)域行業(yè)標(biāo)準(zhǔn)還不夠完善，在液壓管路過濾系統(tǒng)的設(shè)計(jì)中，只能借用常規(guī)產(chǎn)品的設(shè)計(jì)資料，憑經(jīng)驗(yàn)進(jìn)行推測。所以往往容易忽略結(jié)構(gòu)內(nèi)部的壓力損失以及對(duì)過濾效率的研究，從而導(dǎo)致設(shè)計(jì)效率低下，無形中降低了產(chǎn)品的質(zhì)量。 為了適應(yīng)現(xiàn)代工業(yè)輸送系統(tǒng)的要求，開發(fā)和研究高效、先進(jìn)的過濾產(chǎn)品勢(shì)在必行。有限元方法的不斷發(fā)展，，結(jié)合計(jì)算流體力學(xué)(CFD)方法，通過計(jì)算機(jī)技術(shù)，采用數(shù)值模擬技術(shù)為過濾系統(tǒng)的設(shè)計(jì)提供了一種新的方法。 根據(jù)CFD技術(shù)計(jì)算得到過濾系統(tǒng)的相關(guān)特性，系統(tǒng)內(nèi)部流體運(yùn)動(dòng)的詳細(xì)參數(shù)，表明有限元方法及計(jì)算流體動(dòng)力學(xué)方法這一高新科技手段用于液壓管路過濾系統(tǒng)設(shè)計(jì)的可行性。本文利用CFD技術(shù)對(duì)液壓管路過濾系統(tǒng)進(jìn)行了如下幾個(gè)方面的研究： 1)結(jié)合有限元方法和計(jì)算流體動(dòng)力學(xué)理論，利用計(jì)算機(jī)對(duì)過濾系統(tǒng)進(jìn)行流場的數(shù)值模擬，得到系統(tǒng)內(nèi)部流場的各項(xiàng)詳細(xì)的流動(dòng)特性參數(shù)，指導(dǎo)產(chǎn)品的結(jié)構(gòu)優(yōu)化設(shè)計(jì)。 2)對(duì)過濾系統(tǒng)濾芯部件結(jié)構(gòu)參數(shù)進(jìn)行理論分析，在理論基礎(chǔ)上，建立優(yōu)化方案，并總結(jié)出經(jīng)驗(yàn)公式。 3).通過對(duì)濾芯部件的出口部位的數(shù)值模擬計(jì)算，得出優(yōu)化方案，并建立優(yōu)化模型。 4).在濾芯結(jié)構(gòu)優(yōu)化的基礎(chǔ)上，對(duì)濾芯進(jìn)行過濾效率的研究，建立使用壽命預(yù)測數(shù)學(xué)模型。 5).在上述研究基礎(chǔ)上，對(duì)液壓管路過濾系統(tǒng)的參數(shù)化設(shè)計(jì)進(jìn)行可行性分析，并用VC++6.0設(shè)計(jì)液壓管路過濾系統(tǒng)參數(shù)化設(shè)計(jì)軟件。
[Abstract]:The pipeline filtration system is used to filter the impurity in the fluid medium in the hydraulic pipeline system to ensure the cleanliness of the fluid. Because of the profession of the industry, the national standard in this field is not perfect at present. In the design of hydraulic pipeline filtration system, we can only use the design data of conventional products and speculate by experience, so it is easy to ignore the pressure loss inside the structure and the study of filtration efficiency. As a result, the design efficiency is low and the quality of the product is reduced intangibly. In order to meet the requirements of modern industrial transportation system, it is imperative to develop and study efficient and advanced filtration products. The continuous development of finite element method, combined with computational fluid dynamics (CFD) method. A new method for the design of filter system is provided by computer technology and numerical simulation technology. According to the CFD technology, the relevant characteristics of the filtration system and the detailed parameters of the fluid movement in the system are obtained. The feasibility of using finite element method and computational fluid dynamics method in the design of hydraulic pipe filtration system is demonstrated. This paper makes use of CFD technology to carry out several aspects of hydraulic pipeline filtration system. Research:. 1) combined with finite element method and computational fluid dynamics theory, the flow field of filtration system is simulated by computer, and the detailed flow characteristic parameters are obtained. Guide product structure optimization design. 2) based on the theoretical analysis of the structural parameters of the filter element of the filtration system, the optimization scheme is established and the empirical formula is summarized. Through the numerical simulation of the outlet part of the filter element, the optimization scheme is obtained and the optimization model is established. Based on the optimization of filter element structure, the filtration efficiency of filter element is studied, and the mathematical model of service life prediction is established. On the basis of the above research, the feasibility of parameterized design of hydraulic pipeline filtration system is analyzed, and the parameterized design software of hydraulic pipeline filtration system is designed with VC 6.0.
【學(xué)位授予單位】：沈陽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2012
【分類號(hào)】：TH137.8

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