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1、本科課程設(shè)計(jì)題目：過(guò)程流體機(jī)械課程設(shè)計(jì)學(xué)院：機(jī)械與自動(dòng)控制學(xué)院專(zhuān)業(yè)班級(jí)：過(guò)程裝備與控制工程姓名：學(xué)號(hào)：二O一六年七月目錄摘要··························································I第一章工作原理和設(shè)計(jì)方法·········································11.1工作原理···················································11.2設(shè)計(jì)方法····································
2、···············11.2.1球閥結(jié)構(gòu)··················································11.2.2球閥材料··················································21.2.3閥體················································31.2.4球體················································41.2.5閥桿······················
3、··························4第二章球閥尺寸計(jì)算················································62.1閥體·······················································62.2閥桿·······················································62.2.1閥桿尺寸···········································62.3球體尺寸計(jì)算········
4、·······································62.4密封比壓···················································62.5球閥轉(zhuǎn)矩···················································92.6法蘭螺栓校核··············································102.7法蘭選型··················································11第三章
5、數(shù)值模擬計(jì)算方法·········································123.1數(shù)學(xué)模型···················································123.2網(wǎng)格劃分···················································133.3邊界條件···················································143.4CFD使用步驟····································
6、············14第四章管道內(nèi)流體模擬結(jié)果分析·····································154.1球閥在不同相對(duì)開(kāi)度時(shí)的速度分析·······························154.2球閥在不同相對(duì)開(kāi)度時(shí)的壓力分析·······························164.3球閥在不同相對(duì)開(kāi)度時(shí)的流量系數(shù)分析···························17第五章總結(jié)······················································
7、·參考文獻(xiàn)··························································摘要本學(xué)期過(guò)程流體機(jī)械，我組所做課程設(shè)計(jì)為V型球閥。V型球閥屬于固定球閥，也是單閥座密封球閥，調(diào)節(jié)性能在球閥中比較有優(yōu)勢(shì)。本設(shè)計(jì)說(shuō)明根據(jù)已知的球法者及經(jīng)驗(yàn)對(duì)DN100mm,PN1MPa的球閥進(jìn)行設(shè)計(jì)，主要包括了材料選擇，結(jié)構(gòu)設(shè)計(jì)，尺寸計(jì)算，強(qiáng)度校核，三維建模，CFD數(shù)值模擬分析等。并且，盡量式結(jié)構(gòu)在滿(mǎn)足其工藝要求的前提下，降低結(jié)構(gòu)的復(fù)雜性。本設(shè)計(jì)中，根據(jù)老師給定的數(shù)據(jù)和已知條件進(jìn)行設(shè)計(jì)，并根據(jù)國(guó)家標(biāo)準(zhǔn)和設(shè)計(jì)手冊(cè)進(jìn)行選材。設(shè)計(jì)
8、期間用到了solidworks進(jìn)行三維建模，并建立了流道圖，用到了gambit進(jìn)行網(wǎng)格劃分，設(shè)置邊界條件，用fluent進(jìn)
