耐壓殼結構 的英文怎麼說
中文拼音 [nàiyākéjiēgòu]
耐壓殼結構
英文
pressure hull structure-
In order to approach the optimum design of changeover portion structural shapes for submarine ' s different diametral pressure cabins, a new structural type, named the double arc transition form, is introduced based on the analysis of stress concentration, by using the engineering calculation method and finite element mthod
摘要為了探討潛艇不同直徑的耐壓艙室過渡段結構型式的最優設計,利用工程計算方法和有限元方法,分析過渡段結構的應力集中,提出了能夠使不同直徑圓柱殼光滑過渡的結構形式雙圓弧式過渡形式。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。Abstract : a brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units
文摘:介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。A brief introduction to scientific research in the three gorges project ( tgp ) and the applications of research achievements is given, which include treatment of newly slited layer on the foundation of the first stage earth - rock cofferdam, dumping bottom technique of river closure in deep water, construction of cut - off walls in the second stage earth - rock cofferdams, 3 - d computer simulation of river closure, concrete casting alternatives and selection of major construction equipment for the second stage construction optimization of durability of raw materials of concrete, deep sliding resistance and stability of the intake dam section, the section of the intake of the power station, the intake penstock of the power station, layout and hydraulics problems of shiplocks, stability of high slopes of shiplocks, and optimization of the system structural anchor bars to reduce the risk of cracking in the concrete wall and 700mw turbine generator units
介紹三峽工程的科研項目,綜述三峽工程開工以來的主要科研成果及工程應用情況,包括:一期土石圍堰基礎處理與施工技術;大江截流上下游土石圍堰平拋墊底研究;二期圍堰防滲工程研究;大江截流計算機科學管理;大壩混凝土澆築方案及主要施工機械選型;混凝土的原材料和耐久性優化試驗研究;大壩基礎深層抗滑穩定研究;三峽電站進水口型式研究;鋼襯鋼筋混凝土引水管道研究;蝸殼打壓、廠壩間伸縮節問題研究;永久船閘的引航道布置、輸水系統及水力學、高邊坡穩定、混凝土襯砌墻的結構與支護研究;特大型水輪發電機組的科學研究。Moa is kind of necessary over - voltage protector for safety running in electrical power system, it ' s used for prevent the equipment against the damage of atmosphere and operating over - voltage without gaps is belong to the third dynasty product, it ' s recognized as the up - to - data over - voltage protector, this kind of product is made up of zinc oxide films and polymer housing for example sr, epdm, hdpe it has features of small volume, simple structure, light height, pololution - prool and non - detonation and is suitable to be usde in the densely populated city
避雷器是電力系統安全運行不可缺少的過電壓保護產品,用以保護電器設備免遭大氧過電壓和操作過電壓的損害,而復合外套無間隙氧化鋅避雷器是屬于避雷器第三產品,是當今各項性能最好的產品,其核心元件電阻片全部採用氧化鋅閥片,而外殼材料是採用復合有機材料,如硅橡膠( sr ) ,改性三元乙丙橡膠( epdm )高密度聚乙烯( hdpe )等,它具有體積小,結構簡單,重量輕,耐污積強,防爆等優點,最適合人口密度城市中使用。Based on some a torpedo composite shell under hydrostatic pressure, the engineering design and experiment research for the stability of composite torpedo stiffened shells are carried out under high hydrostatic pressure in the paper. and the manufacture technology of special shaped stiffened thin wall shell is investigated systemically in practice and theory
本文以某型水雷復合材料耐外壓殼體的研製為背景,對內置加筋異形結構殼體的外壓穩定性進行了理論分析與實驗研究,並對其成型製造技術進行了系統的實驗研究。The shell adopts anti - impact and anti - corrosion engineering - plastic, with light structure, beautiful appearance
外殼採用抗沖擊、耐腐蝕的工程塑料模壓成型,結構輕巧,外形美觀。分享友人