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復(fù)合材料天然氣氣瓶設(shè)計的幾個問題
陳汝訓(xùn)( 陜西動力機(jī)械研究所西安710025)文摘討論了汽車用復(fù)合材料天然氣氣瓶的使用條件。推導(dǎo)出氣瓶圓筒段、封頭、接頭和內(nèi)襯的設(shè)計計算公式。在不增加氣瓶總質(zhì)量的情況下,得到了提高封頭疲勞強(qiáng)度的設(shè)計方法。討論了纏繞張力控制對提高纖維發(fā)揮強(qiáng)度的重要性。文中提出的設(shè)計計算方法可供復(fù)合材料天然氣氣瓶初步設(shè)計參考。關(guān)鍵詞復(fù)合材料。氣瓶,內(nèi)村,纏繞張力
Some Problems with Natural Gas Composite Cylinder DesignChen Ruxun(Shaan:d Institute ofPower Machineries Xi’an 71{D25)Abstract Service conditions of nattlral gas composite cylinders for automobiles are discussed.Calculating formulaefor design of cylinder,dome,joint andlinerof natural gas cylinder arederived.Desi舭methodto enhancefatigue st,“gthof a dome is sire.without increase of total cylinder nlas8.The importance of winding tension control tO increase thedeveloped fiber sⅡe“gth is discussed.These d,sigu calculating methods may be provided for the preliminary desigm of thenatural gas composite cylinders.Key words Composite,Natural gas cylinder,Liner,Winding tension |
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