翼型改型 的英文怎麼說
中文拼音 [yìxínggǎixíng]
翼型改型
英文
airfoil modification-
Based on basic principles of grillage method, an improved grillage model of wide cantilevers bridge deck is brought forth and its effectiveness is verified after generalizing rules of grillage meshing and sectional characteristic
基於梁格法的基本原理，提出了寬翼緣上部結構分析的改進梁格模型，並總結了梁格單元劃分和截面特性計算的一般方法，最後通過算例驗證了該模型和方法的有效性。Until about 1770 pianos were abiguous instruments, tansitional in construction and uncertain in status. as modified harpsichords or clavichords their outward appearance and quality of sound betrayed their origins
直到1770年左右造型傳統、地位不明的鋼琴仍是一種模稜兩可的樂器。作為大鍵琴或翼琴的改進版，鋼琴出色的表現和音質將它的祖先遠遠的拋在了後面。Some typical schemes are implemented via this data structure ( loop subdivision, catmull - clark subdivision, do - sabin subdivision, hybrid subdivision, adaptive subdivision ). the technique of opengl is utilized to accomplish some basic operations, such as rotation, zoom, pan, pick and so on. finally the algorithms studied by our research group are integrated, and a prototype system based on subdivision surface is developed
（ 4 ）改進了適合於曲面細分的的翼邊數據結構，並實現了典型的細分演算法（ loop細分、 catmullclark細分、 doo - sabin細分、混合細分、自適應細分） ；採用opengl技術實現了旋轉、縮放、平移、拾取等圖形的基本幾何操作；最後將本課題組研究成果加以集成，開發了一個基於細分曲面的原型系統。In addition to a longer nose, aerodynamic modifications feature kfir - style small nose side - strakes to prevent yaw departure at high aoa, a pair of fixed delta canards on the upper parts of the air intakes, dog - tooth outboard leading - edge extensions, and short fences replacing leading - edge slots
除了一個加長的機鼻外，氣動布局的修改包括：在機鼻兩則裝上可以防止在高攻角下脫離偏航的「幼獅」式小邊條，一對固定在進氣道的三角鴨翼，鋸齒型外翼前緣，和代替前緣翼槽的短翼刀。Later in the war, the hurricane served admirably in north africa, burma, malta, and nearly every other theater in which the raf participated. the hurricane underwent many modifications during its life, resulting in many major variants, including the mk ia, with interchangeable wings housing eight 7. 7mm 0. 303in guns ; the mk iic, with a merlin xx engine ; the mk iid, a tankbuster with two 40mm anti - tank guns plus two 7. 7mm guns
颶風在它的發展過程中有過很多改進，發展出許多重要的變型，包括mk ia ，在翅膀上安裝8挺7 . 7 mm機槍「颶風」 mk iic型，裝備一臺「梅林」 mk xx發動機「颶風」 mk iid ，機翼上安裝兩挺7 . 7 mm機搶並且在機翼下吊掛兩門40 mm反坦克炮。Variable diameter rotor is an effective method to improve the aerodynamic performance of tilt - rotor in both hover and cruise state. on the basis the research before, the variable diameter tilt rotor structure design has been finish, and in virtue of the technology of virtual prototyping to simulate and analyze the kinetic, dynamic and intensity property of it
變直徑傾轉旋翼能有效的改善傾轉旋翼機懸停和巡航狀態下的氣動效率，本文提出了變直徑傾轉旋翼試驗模型設計方案，完成了可變直徑傾轉旋翼的結構設計，並利用虛擬樣機技術對變直徑傾轉旋翼的運動特性、結構動力學特性以及結構強度進行了分析、研究。The equijpment is improved in design and is made into a fully automatic h - beam assembling machine referred to the same foreign sort of products. the positioning of the flange and web is performed through hte plus and minus screw mandrel drivenby the mtr accurately. and there is a highly precise coder to feedb - ack and show the accurate size on the unit set to guarantee the flanges, the webs with different width different width within the specified range for accurate positioning and automatic alignmet. there is no need to make adjustment each time
該機是本廠參考國外同類產品基礎上改進設計而成的全自動h型鋼組立設備，其腹板翼板定位採用電機精確帶動正反絲桿夾緊，另一側設有小行程液壓夾緊，能確保規定范圍內的不同寬窄的腹板，翼板精確定位，自動對中準確，無須每次作調準。Mayday, mayday, mayday, tg612. we have just been hit by a light aircraft, left wing tip appears to have been torn off, we ' ll divert to kung ming for landing
遇險信號， tg612剛才我們與一架輕型飛機相撞，左翼尖好象被撞掉了，我們立即改航去昆明備降。Experimental data from the towing tank tests show that the hydrofoils give more water - drags on the raft ' s hull, and that the hydrodynamic performance of a ferrying raft will be improved by rational designs of the hydrofoils ' profile, angles of attack as well as the position of hydrofoil on the hull
船模水池中的模型拖曳試驗表明，盡管水翼會增加門橋的水阻力，但只要合理地設計水翼的翼型、攻角和安裝位置，可以改善和提高門橋水動力性能。At the end of the experiment, we reconstructed the subsystem of second air measuring, i. e. we used airfoil measuring equipment as a replacement of original equipment of flute pipe. we also demarcated the velocities of spouts of burner which can deal with correlative data, and which can provide some help for operation
最後又對監測系統二次風測量子系統進行改造，將原笛型管裝置修復為機翼測風裝置，對傳感器進行差壓標定;在爐內噴口處標定速度，將數據進行處理，提供給熱工控制顯示用，對運行調整提供了幫助。Numerical results show that the method provides an effective tool for refining and designing a fransonic airfoil
算例結果表明，本方法提供了一種跨音速翼型改型設計及新翼型設計的有效工具。Lastly, previous vane are analysed by fluent, we calculate the pressure distribution chart and report chart of each wing form, then alter the torsion angle and the airfoil form of the vane respectively, finally ascertain the influence curve of the torsion angle and the airfoil form of the vane on which act the lift power
最後，通過fluent對設計出的葉片分析，得出其壓力分布圖和報告圖。然後從改變葉片的扭轉角度和翼型兩個方面分析其對升力和阻力的影響。得出葉片的扭轉角和翼型對升阻比的影響曲線，在文章的結尾部分估算了無人機的一些性能參數。Wysic " s developing objects are rbecoming a major organization in maintenance of vessels which deadweights are below 5000mt, at the same time, the company would like to take chances to become a leader of demolition and used vessel trading. the general missions of the company for 2003 to 2008 are : focusing on maintenance of small / middle size vessels, and with two wings of small size vessel building up and demolition used vessels. they are aiming the models of developing with substantiality and intangibility, gradually forming a management model with the core of business and cost accounting, creating a service chain of dock equipment trading, setting up vessel management information system of up and middle rive, enhancing maintenance spaces of middle and small size vessels and exploring the capability of vessel construction and demolition
武漢長江輪船公司工業公司2003 2008年發展總戰略：形成以中小型船舶修理改造為主業，以小型船舶製造、舊船貿易與拆船為兩翼的基本經營戰略；形成以實物資產和虛擬資產交互增長的規模成長模式；形成以市場營銷職能為核心和成本核算為基礎的管理模式；形成以船塢設備的移動經營及長江水網中小船舶信息資源的虛擬經營為運作模式，全力拓展中小船舶修造的空間，大力延展中小船舶修造與相關貿易的服務增值鏈，適度發展中小型船舶的整船建造與拆卸能力，力爭成為長江中上游5000噸以下船舶修造的龍頭企業。After comparing between the finite - element analysis and experimental results, the author verified the fem. then according to the chinese code, the nonlinear finite model of the beam - to - column is established which are made of different size components. the responses of beam - to - column web moment connections which are made of different size components are compared and analyzed from three facets, and the conclusions about the joints behavior are drawn : thicken the connection plate, lengthen the connection plate or use a back - up stiffer can improve the connection behavior, consist of improving the behavior of load - supported and reducing the stress convergence in the flange moment plates
本文根據我國規范的有關規定，自行建立了12個不同構件尺寸的樑柱腹板連接的三維有限元模型，對不同構件尺寸的樑柱腹板剛性連接節點在單向荷載作用下的反應進行了研究，從結構的mises應力等值線示意圖、梁端加載處的荷載? ?位移曲線、翼緣連接板兩端的mises等效應力以及翼緣連接板與柱相連接的三邊的mises應力等值線示意圖四方面進行了比較與分析，從而得出了不同構件尺寸的樑柱腹板剛性連接的在受力行為上的結論：增加翼緣連接板的厚度、增加翼緣連接板的長度以及採用柱的橫向加勁肋均可以改善節點的受力性能：提高節點的承載能力；減小翼緣連接板內部與柱翼緣邊的的應力不均勻現象，從而避免試件過早地發生破壞。Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design
本文利用ansys有限元分析程序，對指定斷面，不同曲率的曲箱梁，建立完備的有限元模型，分別對二個方面的問題進行了分析:其一，通過對箱梁在有無跨中橫隔板時截面頂板及腹板的變形和應力分佈的對比分析，闡述了設置跨中橫隔板的重要性;其二，在相同工況下，通過改變橫隔板的設置間距，分析對箱梁翼緣及腹板的受力影響。Based on the cavitation chart it can be seen that the charging air with appropriate parameters on blade surface is efficient and feasible for improving the cavitation performance of propeller blades
根據翼型在充氣前後的壓力分佈，確定空泡斗的變化，從而可以認定按適當參數提供的二相流對于擴大空泡斗，以改善螺旋槳空泡性能是有益的和可行的。Numerical simulation shows that, at small and medium c, multi - slot circulation control can increase the lift of the airfoil and reduce the amount of the energy expense, and that it can improve the aerodynamic performance of cca at higher mach numbers by avoiding the “ compressibility stall ”
結果表明，多噴口環量控制方法可以在中、小c吹氣時提高翼型的升力和減小能耗，並能改善環量控制翼型在較高來流馬赫數下的氣動性能，避免「壓縮性失速」 。Abstract : this paper highlights the two ideas in approaching models of higher music teacher education reform : 1. the one - body - with - two - wings model of educational system and social services for higher music teacher education in non - central cities of culture ; 2. establishing a wider concept in regard of curriculum. a non - discipline - based curriculum as a way of such thinking and a student - centered learning model as realizing approaches are proposed
本文概要闡述了高等音樂師范教育改革的模式探索過程中的兩個觀念： 1 、非文化中心地區高等音樂師范教育的「一體兩翼一網」辦學和社會服務結構模式； 2 、建構廣義的課程概念，提出「非學科課程」以及通過以學生為主體的新學型操作使之模式固化的觀點。Attaching mesh generation sources to the moving boundary allows a reasonable mesh distribution after remeshing. quadtree data structure is used to accelerate the searching operation during interpolation. results of mesh deforming about a rotating airfoil show that the new spring analogy greatly improves the deforming ability and mesh quality without lowering the efficiency
以偏轉翼型動網格為例驗證了網格變形技術，結果表明：改進后的彈簧近似方法在保持原有高效率的同時，大大提高了網格變形能力和變形后網格質量。An improved numerical method is presented through in - depth numerical analysis of the factors affecting the accuracy of numerical calculation. by reasonably matching the numerical grids to the mathematic model used, the present method can make the numerical calculation processed with high accuracy. additionally, a local mapping method is presented for simulating the wave interaction
通過對影響機翼氣動力數值精度的多種因素的分析，對已有的數值方法進行了改進，使數值網格與數學模型合理匹配，確保數值計算結果精確可靠，大大提高計算效率，並給出了復雜條件下的非定常非線性數值結果。分享友人