翼型特性 的英文怎麼說
中文拼音 [yìxíngtèxìng]
翼型特性
英文
airfoil characteristics- 翼 : Ⅰ名詞1 (翅膀) the wing of a bird 2 (像翅膀的東西) the wing of an aeroplane etc : 鼻翼 wing of...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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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。Based on the real structure of the forewing and hindwing of dragonfly, the plane geometric models of biomimetic wings are created using some cad software. then the three - dimensional finite element models of biomimetic wings are built by choosing the suitable element types and characteristic parameters
本文基於蜻蜓真實的翅翼樣本,利用相應cad軟體分別建立了前、后翅翼的幾何結構模型,並通過選擇適當的單元類型及設定特性參數,完成三維仿蜻蜓前、后翅翼的有限元建模。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。On comparing flutter characteristics of three supercritical airfoils in transonic flow
超臨界翼型的跨聲速顫振特性研究In chapter 2, a simplified analytical model is presented for the analysis of the bvi mechanism, adopting the beddoes " prescribed wake model. by this model, the azimuthal location and miss - distance of the bvi and the radiation directivity of the bvi noise are calculated and discussed, and some conclusions are obtained
在第二章,使用beddoes預定尾跡模型,建立了一個用於旋翼槳-渦干擾特性機理分析的簡化數學模型,分別對旋翼槳-渦干擾位置、槳-渦干擾距離和聲輻射方向性等進行了計算和分析,得出了有意義的結果。First, the repeated structural analyses for static and dynamic characteristics are needed in the integrated optimization of composite wing structures. in this situation, the finite element model ( fem ) is time - consuming, while the continuum equivalent plate model ( epm ) is more efficient and often used
首先,復合材料翼面結構綜合優化設計需要反復進行結構靜力和動力特性分析,如果採用有限元模型( finiteelementmodel ,簡稱fem ) ,則其工作量太大。4. for steady incompressible flows, the effects of reynolds number and thickness of airfoils on the aerodynamic characteristics are studied
研究了在二維定常不可壓流動狀態下雷諾數和翼型厚度等參數對翼型氣動特性的影響。To study the acoustic unsteady combustion of srm, built the acoustic model of chamber. deduced the little amplitude sound wave 3d equation, used the finite volume discrete method to simulate. got the vibration model of three kinds of chamber
為研究固體火箭發動機聲不穩定燃燒特性,建立了燃燒室內聲學特性分析的物理數學模型,推導了小振幅聲波三維波動方程,採用有限體積離散方法進行模擬,得到圓柱型、四片翼柱彤和五片翼柱型藥柱三種燃燒室形狀聲學振動基本模態Finally, the 2d unsteady navier - stokes flow solver is coupled with two - degree - of - freedom flutter motion equation in time domain to investigate the flutter characteristics of several supercritical airfoils
最後,本文將二維非定常nayier - stokes方程解算器與顫振運動方程耦合,研究了超臨界翼型的跨音速顫振特性。20 src eccentric loading specimens were designed taking the relative eccentricity e0 / h the slendemess ratio 10 / h as the factors. according to the mechanical behavior of eccentric loading columns, unidirectional embedded electronic steel - concrete slip transfers and double - directional embedded electronic steel - concrete slip transfers were respectively placed inside these 20 specimens and electronic strain gauges were also installed on the steel shape flanges webs and concrete. the change of the mechanical behavior and interior slip of the 20 specimens in the whole process of loading was fully observed
設計了以長細比、偏心距為主要參數的20個偏壓柱試件,根據偏壓柱的受力特性,在試件中分別放置了單向內置式鋼?混凝土電子滑移傳感器和雙向內置式鋼?混凝土電子滑移傳感器,並分別在型鋼翼緣、腹板和混凝土上布置了電子應變片,對試驗柱在受荷全過程的受力性能、和內部滑移的變化進行了細致的觀察。Numerical simulations demonstrate that the multi body analytical model can analyze the aeroelastic stability of the tiltrotor aircraft in the helicopter mode
數值計算表明:建立的多體動力學模型能夠快速分析直升機模式下傾轉旋翼機復雜的旋翼機翼氣彈耦合動力學特性。In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance
本文建立了主體機構靜力學模型,研究了主體機構的結構參數對微位移放大性能的影響;建立了主體機構振動模型,研究了主體機構在無液體阻尼和有液體阻尼情況下的振動特性;根據流體力學平板繞流理論,研究了驅動翼產生的推進力和微機器人在流體中受到的阻力;在此基礎上國內首次建立了泳動微機器人的動力學模型,並對模型進行了深入的研究,詳細闡明了驅動信號頻率、主體機構放大性能、主體機構振動特性、驅動翼面積、液體性質等因素對微機器人泳動特性的影響。Abstract : aimming at the defects of the brick masonry norm, through test on masonry wall models, the monolithic spacial effect for longitudinal and lateral walls of brick masonry buildings is studied and suggestions of calculated formulas for seismic resistance design and analysis are proposed
文摘:針對砌體規范中墻體抗震驗算中的不足之處,通過模型磚墻試驗,研究了帶翼緣墻在水平荷載作用下的恢復力特性曲線、磚墻破壞特徵以及縱墻的影響等,並提出了在墻體抗震驗算中應當考慮縱橫墻共同作用的建議4. the influence of reynolds number to aerodynamics and boundary layer is investigated. 5
( 4 )研究了雷諾數對翼型氣動力和附面層特性的影響。Along with development of tiltrotor vehicle ’ s research some theoretical productions have been appeared in some project ( aerodynamic behavior of rotor, kinetic behavior of rotor, rotor / wing aerodynamic interactions, etc. ). in order to carry on further research and experimentation of these project, national - defence science and technology helicopter rotor kinetic lab of our school begin to building tiltrotor model bench. base on need of this bench, this paper study / design pitch control system on it
隨著對傾轉旋翼飛行器的深入研究,傾轉旋翼的氣動特性、動力學特性、旋翼/機身間的氣動干擾等課題方面已有一定的理論成果出現。為了對這些課題進行深入研究和試驗驗證,我校直升機旋翼動力學國防科技重點實驗室著手建造了傾轉旋翼模型實驗臺。The investigation in this dissertation shows the capabilities of ausm + scheme, such as the exact resolution of shock, low numerical dissipation, simple and requiring less computational effort. the successful applications on supercritical airfoils and wings show that the present flow solvers based on ausm + scheme are of valuable and promising in practical application
通過本文的研究工作,展示了ausm +格式的激波高解析度、數值耗散小、編程簡潔、計算量較小等特性,同時,將其成功地應用於跨音速超臨界翼型、機翼的定常或非定常氣動特性的數值模擬和顫振研究中,具有一定的工程應用價值和良好的發展前景。Icing research on airfoil and multi - element airfoil based on flow field and aerodynamic performance
結冰對翼型和多段翼型繞流及氣動特性影響研究Applying this dissertation, the aerodynamic characteristics of flapping wing can be calculated, the effects of every factor can be analyzed and some qualitative instructions can be given
運用本文可以計算撲翼的氣動特性及分析各參數對撲翼氣動特性的影響,進而指導撲動翼微型飛機的初期設計。5. effects of unsteady flows on the aerodynamic characteristics are also analyzed. the results of this dissertation are useful for the further investigations of three - dimensional flapping wing
對于非定常不可壓流動,分析了運動參數對翼型氣動特性的影響,為進一步研究繞三維撲翼的非定常流動打下基礎。3. the effects of every flapping control parameters on the aerodynamic characteristics of flapping wing are investigated. its results lay a foundation for the further investigations of flapping wing micro air vehicles
3 、研究了運動各參數對撲翼的氣動特性的影響,為撲翼微型飛機的進一步研究設計打下了基礎。分享友人