輪裂的 的英文怎麼說
中文拼音 [lúnliède]
輪裂的
英文
ring shaken-
He kept the front wheels astride the crack as he followed its zigzag course.
他在使前輪分跨裂縫的同時曲曲折折前進。He keeps the front wheels astride the crack as he followed its zig-zig course.
他在使前輪分跨裂縫的同時曲曲折折前進。Many large capacity turbine runners in commercial running have come to cracks or vibration problems with different extent in china. therefore, to ensure the large francis turbines running safely and stably is an important issue on design and type selection research
在我國陸續投運的大型水輪機轉輪相繼不同程度地出現振動與裂紋,因此,保證大型混流式水輪機的安全穩定運行就成為設計選型研究的重要問題。The causes of crack on main boom structure of portal bucket stacker reclaimer
門式斗輪堆取料機主臂架結構性開裂的原因分析Abstract : by means of metallographical examination and sem, the microstructure characteristics, macro - and microfractographs of the brittle broken wheel hull bolt of bj212 automobile have been studied. the results show that the thin - headed screw, with excessively deep carbonitriding layer and hardening layer, has less resistance to brittle fracture in the thin area of its head. at the root of the head connecting the stem, a tensile stress may emerge owing to the non - even quenching stress. those are the two reasons for low torque fracture of bolt
文摘:藉助金相、掃描電鏡等手段對低扭矩脆斷的bj212汽車輪殼螺栓的金相組織特徵,宏觀和微觀斷口形貌等進行了研究,結果表明:這種頭部薄的螺栓,滲層和淬透層過深,使頭部薄區脆斷抗力降低,在頭部與桿的根部,由於淬火應力不均勻導致根部產生拉應力,均是導致螺栓低扭矩斷裂的原因。Breaking analysis on small gear shaft in ball grinding mill in coal preparation plan
洗煤廠球磨機上小齒輪軸的斷裂分析Structure simulative experiment by using acoustic emission to detect the damage and fracture in composite flywheel
聲發射檢測復合材料飛輪損傷與斷裂的結構模擬試驗Ltd. the aim of this research is to find out the causes of abnormal axial force that results in fracture of bolts that anchor the shaft of planet gear and rupture of gear by means of force and deformation analysis, thus propose improving project of zl50 wheel type loader to enhance design quality. prime study content in the paper is described in the following
本課題研究的目的是通過該變速箱的均載性能、各部件的受力、變形以及齒輪接觸應力的分析,尋找出直齒行星輪機構產生異常軸向力,從而導致變速箱行星軸止動螺栓斷裂及部分行星輪輪齒崩裂的原因,為柳工zl50裝載機行星齒輪變速箱的改進提出方案,提高設計質量和設計水平。Therefore one of efficiency means to solve cracking problem of runners is to change distribution of welding residual stress of blades, to decrease welding residual tensile stress in the dangerous area of blades or even turn to compressive stress
因此,改變葉片焊接殘余應力的分佈狀態,降低葉片危險區域的焊接殘余拉應力峰值,甚至將危險區域的拉應力轉變為壓應力,是解決轉輪裂紋問題的有效途徑之一。Cracking reasons of the turbine runner are extensive. the fact shows that the leading reason induced cracking is exorbitant stress
水輪機葉片開裂的原因是多方面的,實踐表明:應力過高是導致轉輪葉片開裂最為主要的原因。After research surface reconstruction with triangular facets, contours of first layer and the last layer are triangulated with layer separation algorithm firstly. and then the least polar - angle criterion is presented for linking two convex contours, and the method is also given in which non - convex contour is transformed to a set of convex contour. with the splitting and integrating algorithm, the single - to - multi - contour reconstruction with triangular facet has been simplified to one - to - one contour
首先採用層析式演算法對起始層和結束層中的輪廓進行三角剖分;然後採用最小極角法實現兩凸輪廓間的三角片重構,並討論了非凸輪廓變換為凸輪廓的方法;最後,使用分裂與合併技術將單輪廓匹配多輪廓的三角片重構簡化為單輪廓之間的三角片重構,最終完成整個骨骼表面的三角片重構。In this paper, two factors that will threaten the operating stability were studied, which are sand abrasion and cracking of the blades. and other problems that affect the safety in production were discussed
本文對影響小浪底電站穩定運行的泥沙磨損問題和轉輪裂紋問題進行了詳細的分析,並對其它影響機組穩定運行的現象進行了研究。Because of the special water quality, sand abrasion is a severe menace to the operate stability of the units in xiaolangdi hydropower plant. in addition, some problem occurred during the operation of the units. among them, cracking of the blades is very severe
另外,小浪底電站水輪發電機組在運行的期間出現了一些異常現象,其中轉輪裂紋問題比較嚴重,對小浪底電站的穩定運行產生了很大的影響。They do n ' t crack, and they last longer than concrete. kenney says rubber sidewalks could also reduce the number of slip - and - fall accidents and the resulting lawsuits
肯尼同時還透露,人們將會從廢舊輪胎的那裡獲取那些橡膠,橡膠不會出現裂縫且其使用壽命會長于混凝土路面。Welding repair of crack on supporting roller of rotary kiln
回轉窯托輪開裂的焊接修復The life of the initial crack expanding to the visible crack is the majority of the life of fgh95 pm superalloy turbine disks containing alo3 inclusions
並建議將第一階段裂紋擴展壽命作為含al _ 2o _ 3夾雜的fgh95粉末高溫合金渦輪盤的壽命。The main contents are as following : ( 1 ) finite element method ( fem ) is used to study the effects of broken inclusion and debonded interface on the stress intensity factors ( sif )
本文圍繞含夾雜粉末高溫合金渦輪盤的裂紋擴展壽命問題,開展了以下工作: ( 1 )用有限元法研究了夾雜裂開以及夾雜與基體界面脫開對應力強度因子的影響。Powder metallurgy turbine disks are worldwide adopted in most advanced aeroengine nowadays. the research of engineering application of them is actively being carried out in our country, and the key problem urgently needed to solve is their low cycle fatigue life prediction. the low cycle fatigue failure of powder metallurgy turbine disks is mainly caused by inclusions, so it ' s important to study the effect of inclusion on the stress intensity factors ( sif ) initiation and development of crack in powder metallurgy turbine disks
當前世界上大多數先進航空發動機均採用了粉末冶金渦輪盤,我國目前正在積極開展粉末冶金渦輪盤的工程應用研究,其低周疲勞壽命預測成了亟待解決的關鍵問題,夾雜物是引起其低周疲勞失效的主要原因,因此開展夾雜物對粉末冶金渦輪盤應力強度因子及裂紋萌生與擴展的影響具有重要意義。Another flash showed him four men clinging to the shattered mast and the rigging, while a fifth clung to the broken rudder
又一閃電使他看到有四個人緊緊地抱住了折斷的桅桿和帆索,而第五個人則緊抱著那破裂的舵輪。3 ) locale tests of a hydraulic turbine were made. based on the tests, the problems of its acute vibration, noise and crack were settled down
3 )對某水輪機進行了現場測試和計算,綜合研究分析,得到該水輪機的劇烈振動、噪音及葉片開裂的原因,並提出解決問題的指導意見。分享友人