飛行振動 的英文怎麼說
中文拼音 [fēihángzhèndòng]
飛行振動
英文
airborne vibration- 飛 : Ⅰ動詞1 (鳥、蟲等在空中活動) fly; flit 2 (利用動力機械在空中行動) fly 3 (在空中飄浮遊動) fly...
- 行 : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 飛行 : flight; flying; aviate; voyage; volitate; hop
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
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The active vibration control aimed at aircraft empennage has huge practical values in the aspects of adding the fatigue life of vertical tail, increasing the capability and availability of the aircraft, reducing the through - life - support costs and so on
飛行器垂直尾翼的振動主動控制對于提高尾翼的疲勞壽命、飛行器的機動性以及減小飛行器的維護成本具有較大的實際意義。The aerothermoelastic analysis of missile structure includes the thermal stiffness, thermal vibration and thermal flutter analysis. this dissertation emphasizes on thermal vibration analysis of the aerial vehicle under aerodynamic heat condition
本文研究背景是彈體這類典型結構在高速飛行情況下,由於氣動加熱引起的高溫對結構氣動熱彈性分析,包括熱剛度、熱振動問題的研究。During helicopter slung - load flight, the main flight quality modes include : phugoid, dutch roll, longitude and latitude slung - load oscillation. according to the ads - 33e - prf specifications, the flight stability qualities had been evaluated
直升機機外吊掛飛行過程中,體現飛行品質的運動模態主要為荷蘭滾模態、縱向浮沉振蕩模態,以及吊掛物橫向、縱向振蕩模態。In this paper, combined with directional blasting of cooling tower engineering, some safety problems such as flying rock, blasting vibration, morphology vibration and blasting dust are introduced and analyzed, and more safeguard technologies are advise
摘要文章結合冷卻塔定向爆破拆除的實例,分別介紹了由爆破引起的爆破飛石、爆破振動、塌落振動、碎碴飛濺和爆破煙塵等爆破安全間題,並對這些問題進行了分析,提出進一步提高爆破安全的技術措施。Compared with non - slung - load flight, additional aerodynamic load, gravity load should be considered in the slung - load system. so the moment to the gravity center, flight mode and the natural frequency will change
直升機吊掛飛行,與直升機非吊掛飛行狀態相比,增加了新的氣動載荷、重力載荷,和因此產生的對直升機重心的力矩,其飛行運動模式、低頻振蕩固有頻率均發生改變。It supports the aircraft during parking and endures the loads during ground maneuvers. most of the vertical and horizontal kinetic energy are absorbed and dissipated by landing gear. it plays an extreme important role in preventing the airframe from vibration and excessive impact forces, improving passenger comfortable characteristics and increasing aircraft flight safety
飛機起落架作為飛機結構的一個重要部件,承受著飛機與地面接觸時產生的靜、動載荷,吸收和消耗飛機在著陸撞擊、跑道滑行等地面運動時所產生的能量,在減緩飛機發生振動,降低飛機地面載荷,提高乘員舒適性,保障飛機飛行安全等方面發揮著極其重要的作用。This thesis, which is devoted to the research on the smart rotor with actively controlled trailing - edge flap for hub oscillatory load reduction, offers a potential approach for the vibration reduction of helicopter
本文對帶有主動控制后緣附翼的智能旋翼用於降低槳轂交變載荷進行探索性的研究,為降低直升機飛行中機體振動水平提供一條有效的新途徑。In our experiments, these complexes, produced in supersonic beam expansions, are amenable to high resolution resonant two - photons ionization spectroscopy, which make it possible to obtain detailed information on their electronic - vibrational states. through resonant ionization spectra and together with time - of - flight mass spectrometry in supersonic molecular beam, the internal rotation for ch3 and intermolecular vibration for atom ar ( or n2 ) in the complexes ( c6h5ch3.
實驗中採用了高解析度的共振電離光譜技術和超聲分子束技術,通過共振電離光譜和飛行時間質譜技術的手段探明了復合物c _ 6h _ 5ch _ 3 … n _ 2 、 ar的電子態、振動態以及甲基( ch _ 3 )內轉動的詳細情況。But in many cases, vibration is harmful and could affect the user ' s comfort, even cause giant safe accidents. for examplethe vibration of the wings of a plane in the airflow effect and the vibration of the running cars in the road effect, and so on
但在許多情況下,振動是有害的,如飛機機翼在氣流作用下的振動、行駛的汽車在路面作用下的振動等等,它們都會影響到使用的舒適性,嚴重時甚至造成重大安全事故。At the end, the vibration responses are displayed in polar diagram synthetically, in which the displacement, the static offset and the deflection angle of rotor could be shown altogether
提出用極坐標表徵轉子振動特性的方法,可以更直觀、全面地反映轉子的振動幅度、機動飛行時的靜態偏移以及偏擺角。Then the steady and unsteady subsonic, transonic and supersonic viscous flows around airfoil and some aircraft are numerically simulated. the 3 - dimensional unsteady navier - stokes equations are solved using the implicit lu - nnd algorithm, with baldwin - lomax turbulent model. on the basis of simulating unsteady viscous flow, coupling the structure dynamics equations, the problems of static aeroelasticity and flutter are investigated for wings and elevator
在模擬非定常粘性繞流的基礎上,與顫振運動方程相耦合,分別對機翼和全機流固耦合現象中顫振問題進行了研究,準確求解跨音速顫振臨界速度,分析機翼和全機的從亞音速到超音速范圍的顫振規律,並研究分析了機翼飛行迎角變化對顫振速度的影響。This kind of shaker has such features : its self - cleaning effect is powerful, no phenomena of screen pasting and screen jam happen, when improving the treating capacity by increasing throwing coefficient, the phenomena of drilling fluids spattering can be avoided, so that screening - separating drilling fluids in closed space can be realized. hence, this new kind of shale shaker will find its application in the new drilling techniques such as under - balanced drilling
其主要特點是:自潔作用很強,沒有「篩糊」 、 「篩堵」現象;採用大拋擲指數提高振動篩處理能力時可避免鉆井液的劇烈飛濺現象;可實現在封閉的空間里進行鉆井液的篩分,因而在欠平衡鉆井等新鉆井技術的應用中也可發揮其用武之地。Accurate calculation of aircraft steady and unsteady aerodynamics and flutter characteristics, especially in the transonic speed range is a crucial problem for aircraft designers. it is very important for us to develop an efficient, accurate, robust navier - stokes / euler flow solver that could be used to study transonic steady and unsteady flowfields
飛行器的定常和非定常氣動力的準確數值求解及顫振特性研究,特別是跨音速范圍內的準確數值求解及研究,一直以來都是飛行器設計工作者必須面對的重要研究難題。Vibration reduction of attitude control for flexible spacecraft
撓性飛行器姿態機動的振動抑制Environmental tests for aircraft equipment - part 3. 4 : acoustic vibration
飛行器設備的環境試驗.第3 . 4部分:聲學振動For the signal transform device, a commonly met dynamic loading is random vibration, as met in the flight experiments, etc. therefore, analyzing the dynamic response of some key components under random vibration, and further minimizing its adverse consequences on the products is very important for the signal transform device designs
信號變換裝置在飛行試驗等試驗中常常要經受隨機振動。因此,對于信號變換裝置來說,分析隨機振動下關鍵器件的動力響應並進一步最小化不利影響是非常重要的。Flutter is the most important instable problem and it restricts the flight envelope and performance of a vehicle. aeroservoelasticity, including active flutter suppression technology, is a multidisciplinary optimization technology that studies the interaction of flexible structure, unsteady aerodynamics and flight control system
以主動顫振抑制系統設計為代表的氣動伺服彈性力學( ase )是一門涉及柔性結構、飛行器運動引起的定常和非定常氣動力以及飛行控制系統相互作用的多學科技術。Panel flutter is a classical supersonic aeroelastic phenomenon that is usually accompanied by temperature elevation on the outer skin of high - speed aerospace vehicles
壁板顫振是發生在高速飛行器上的一種典型的超音速氣動彈性現象。Experimental modal analysis based on ambient vibration is mainly to deal with the engineering problems from with we can hardly achieve the input signals, such as the operational modes of a flight vehicle during the flight or the dynamic behavior of a large - scale structure like an offshore platform, a bridge as well as a skyscraper on which we can ’ t exert a heavy kick
基於環境振動的實驗模態分析主要針對一些激勵不可測的工程問題,如研究飛行器在飛行中的運行模態,或諸如海洋平臺、橋梁、摩天大樓之類難以施加激勵的大型結構的動態特性。本文重點研究了隨機子空間方法在環境振動模態分析領域的應用。Identification of periodic component in the signal of aircraft flight vibration
飛機飛行振動信號中周期分量的識別分享友人