翼縫 的英文怎麼說
中文拼音 [yìféng]
翼縫
英文
airfoil slot-
In addition to, the fatigue crack between web and upper flange of welded steel crane beam on heavy duty service was discussed, and based on long - term observation and research, the author classified fatigue crack into bearing type and middle type crack along the horizontal direction. the causation, distributive law and mechanism of the crack were analyzed, and the precautions to take and the measures to remedy crack were presented. the main defacts including damage, crack, erosion and aging in structures, especially in concrete structure were introduced ; the defact mechanism was analyzed and the precautions to take were also given
另外,作者對重級工作制焊接鋼吊車梁腹板與上翼緣連接焊縫的縱向水平疲勞裂縫進行了長期的觀察和研究,根據疲勞裂縫產生的不同機理,將其分為支點裂縫和肋間裂縫,並討論了兩類裂縫產生的原因、分佈規律、機理以及防治的措施;對工程中經常遇到的結構構件,尤其混凝土構件的幾種主要病害(損傷、裂縫、腐蝕與老化)進行了機理分析並提出了防治措施。Cracks have been found in the flange and web splices at groove welds in at least four bridges.
至少在四座橋梁的翼緣板和腹板拼接坡口焊縫中發現了裂紋。Based on the kinematical design criterion of equi - chord percent ratio and spatial rigid body guiding mechanism, three theoretical design methods of arc track, non - arc track, and helical track are proposed in this thesis, meanwhile, different design methods about prime flap and sub - flap driving mechanisms are completed. three cases of different three - gaps - fowler - flap tracks are designed
對后緣三縫富勒襟翼工作時的3個關鍵位置,按照「等弦長百分比」運動的設計準則和空間剛體引導機構的設計思路,提出了圓弧軌道、非圓弧軌道和螺旋線軌道等3種空間位置引導軌道的設計原理,並分別給出主襟翼和子襟翼驅動機構的不同設計方法。< uk > the configuration has two tractor propellers, full - span double slotted flaps deflected 45, and a high tail. < / uk >
< uk >實驗模型有二兩拉力螺旋槳,全翼展雙縫襟翼偏轉45 ,並有高置的水平尾翼。 < / uk >Many test cases are calculated to verify the above study. the cases are either real or standard testing models, including multi - element airfoil, wing - body configuration, cone / cylinder missile model and 3 - d high - lift systems, etc. the results of present calculation are in good agreement with experiment data, and show flexibility and accuracy of the approaches. base on the cartesian grids, this thesis has targeted the development and integration of many algorithms and techniques such as adaptive refinement, omni - tree data structure, hybrid grid method, etc. an analysis software and research methods are designed and developed for the steady - unsteady and viscous - inviscid flow complex systems and configuration
7 .運用上述研究成果和結論,進行了大量算例的實驗驗證,外形范圍包括多種標模與型號,涉及多段翼型、 m6機翼、細長體模型、翼身組合體、兩段機翼增升標模、帶縫翼和襟翼的三段增升翼身組合體等復雜外形,計算結果均與實驗吻合良好,充分說明了本文發展的各種演算法、流場求解、網格生成方法的正確性和魯棒性。The configuration has two tractor propellers, full-span double slotted flaps deflected 45°, and a high tail.
實驗模型有二兩拉力螺旋槳,全翼展雙縫襟翼偏轉45,並有高置的水平尾翼。Results showed that the ductility of bolt spjice is much better than welds, weaker splice joints develop larger plastic deformation, slipping between faying surfaces, bearing of bolts to hole surfaces and buckling of splicing plates are all ideal energy dissipation mechanism
試驗結果表明:螺栓拼接節點的延性遠好於樑柱焊縫連接;較弱的拼接節點產生較大的塑性變形;接觸面的滑移、螺栓與孔壁的擠壓和翼緣拼接板的屈曲都具有良好的耗能能力。Others carefully folded written prayers and wedged them into the cracks between the massive blocks of tone
另外有人小心翼翼地折好寫下的禱詞,塞進大石塊的縫隙中。The second crack is a crack originating at the groove weld toe of the column flange-girder flange connection.
第二種是產生於立柱翼緣與主梁翼緣連接處的坡口焊縫焊趾處的裂紋。Crews spotted the tear in the wing as they unfurled it on tuesday. the tear forced nasa to halt the process before the wing was fully extended
在周二展開機翼時全體人員都觀察到了機翼上的破縫。這個破縫迫使nasa在完全修理好機翼之前暫停進程。The aircraft would be made from composites that smoothed the airflow ; the design has no slots or flaps
飛機將採用表面光滑的復合材料製造以減少同氣流的摩擦,並且不再附有翼縫和襟翼等結構。It is called a cable car because the car is moved along by a loop of metal cable running continuously in a slot beneath the ground, powered by a steam - driven engine in a powerhouse
之所以被稱為纜車,是因為這種車輛是以一圈圈的金屬纜線所拉扯,在地面翼縫上行駛著,主要的動力來源是蒸汽引擎。Multi - gap - fowler - flap, while deflecting its rudders, simultaneously extends backwards by relatively large scope, which broaden the overall wing - camber and area, so that more additional lift could be attained through improving air - flow boundary layer
多縫富勒襟翼在襟翼舵面偏轉的同時發生較大幅度的後退,增加機翼整體彎度和機翼面積,通過縫隙氣流改善附面層狀況,因而得到加大的升力增量。Slat retraction speed
縫翼收起速度Did stephen obey his sign ? yes, entering softly, he helped to close and chain the door and followed softly along the hallway the man s back and listed feet and lighted candle past a lighted crevice of doorway on the left and carefully down a turning staircase of more than five steps into the kitchen of bloom s house
是的,他靜悄悄地走了進去,幫助把門關嚴,掛上鏈子,靜悄悄地跟在那個男子背後,腳上跋拉著用布邊做的拖鞋,手待點燃的蠟燭,打左邊那扇從縫兒里露出燈光來的門前經過,小心翼翼地走下不只五個階磴的螺旋梯,來到布盧姆家的廚房。Two horizontal slits in the endplate help to limit the increased turbulence caused by the element ' s enlarged dimensions
終板上兩條水平的狹縫用來幫助限制加大后的翼端帆所帶來的亂流。For specified three work positions as design inputs, the thesis evaluates their geometrical movements of the prime and sub - flaps, and some reasonableness are shown in view of kinematical geometry. the work can provide further aerodynamic analysis with variable wing geometrical data
以三縫襟翼的3個假定的工作位置作為設計輸入,算出了3種不同軌道下襟翼的運動結果,並從幾何角度進行了簡單對比分析,為進一步的氣動分析提供輸入數據。Look closely and you discover they are divided by a horizontal slit, in effect creating two tiny wing profiles, or a double flap
靠近看你會發現他們被水平的狹縫分離,成為兩片小翼,或是雙層的襟翼。With the demands of designing the large - scale cargo airplane, in this thesis, many technical materials about the mechanisms of current wing flap types, of foreign transport airplanes are carefully studied at first, and the mechanical composition of three - gaps - fowler - flap is summarized technically about its major basic components, prime mechanism ( track ), driving device, sub - flaps mechanism and the sub - flaps sequential control system
在本文中,針對大型運輸機機翼設計的需求,首先對幾種國外運輸機襟翼運動機構的資料進行仔細研究,對三縫富勒襟翼運動機構的組成進行了分析,總結歸納出了三縫富勒襟翼運動機構的3個基本組成部分:主機構(軌道) ,驅動機構,子襟翼機構及子襟翼運動控制機構。Copper and copper alloys - rolled, finned seamless tubes for heat exchangers
銅和銅合金.熱交換器用軋制翼片無縫管分享友人