氣流型飛行 的英文怎麼說
中文拼音 [qìliúxíngfēiháng]
氣流型飛行
英文
wind pattern flying- 氣 : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 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...
- 氣流 : 1 [氣象學] air current; airflow; wind current; airstream2 [語言學] breath氣流紡紗 open end spinni...
- 飛行 : flight; flying; aviate; voyage; volitate; hop
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Typical variable windfield models, such as large scale steady wind flow, downburst, turbulence, airflow over mountain, are developed and their physical specialities are discussed. furthermore, simplex modules are integrated to form complex model. facticity and application technique to flight simulation are discussed
討論了以下幾種典型風場模型(大尺度均值風模型、 dryden紊流模型、微下擊暴流模型和過山氣流模型)的物理特徵與建模方法,並對單一模型進行復合,建立變化風場模型庫,最後討論了各種模型的真實性與如何應用於飛行模擬; 3Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed
微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約,在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差,而且目前是非專業攝影機成像,這些都大大增加了其影像幾何糾正處理的復雜性。On the basis of these results, the relations of total - pressure recovery coefficient or flow coefficient and flight mach number, angle of attack and the second movable wedge angle of the inlet have been founded by hypersurface fitting, then the mathematical model of the inlet is established
根據流場計算結果並利用超曲面擬合方法建立了進氣道總壓恢復系數、流量系數與飛行馬赫數、進氣道攻角及二級可調斜板角度之間的關系,由此得到了二元混壓式超聲速進氣道數學模型。A comprehensive two - dimensional gas chromatography / time - of - flight mass spectrometry ( gc gc / tofms ) method has been developed for the characterization of phenols in mainstream cigarette smoke condensate
建立了卷煙主流煙氣粒相物中酚類化合物組成研究的全二維氣相色譜飛行時間質譜方法,並用所建立的方法對一種市售混合型卷煙主流煙氣粒相物中的酚類鎦分組成進行了表徵。Transitional feature of the arc and metal droplet in the welding process with steam shielded arc is investigated by means of analysing the waveforms of welding voltage and current under different welding regimes and it is found that there are two types of arc process behavor ? " arc starting - arc blowing out - short - circuiting " and " arc - starting - short - circuiting ". under the condition of constant diameter of welding wire and its feeding speed, the arc process behavor can be changed by adjusting the inductance of welding circuit as well as the voltage of power supply. if arc process behaves as alternative process of " arc starting - arc blowing out - short - circuiting " with minimum time duration of arc blowing out and maximum frequency of short - circuit transition, the welding process will be stable with less spatter and smooth weld bead
通過分析不同焊接規范下的焊接電壓和電流的波形.研究了水蒸氣保護下電弧及熔滴過渡的特點,發現其電弧過程行為有「燃弧?熄弧?短路」和「燃弧?短路」兩種形式.在焊絲直徑和送絲速度一定的情況下,通過調節焊接迴路中的電感量和電源電壓,可以改變電弧的過程行為形式.若電弧過程呈「燃弧?熄弧?短路」交替進行,並且熄弧時間最短時,短路過渡頻率最高,在這種情況下,飛濺小,焊道成型好,焊接過程穩定Upon above advantage, we can realise that the airboat is very suitalbe for every advertising company and enterprises, low cost, high efficiency, it brings the commercial advertising from the groung to the sky, from the static to moving, from silence to soundable, the shape of streamline is adopted to have very good ability of anti winding, stable flying and agility, it can take off vertically, forwarding or backwarding, presenting a fully new carrier to advertising circles, becoming a focus of people in the world
綜合以上的優點不難看出,遙控飛艇非常的適用於各廣告公司,各種企業購買使用,成本低,見效快,它將商業廣告從地面發展到空中,由靜態變為動態,由無聲變有聲,遙控飛艇採用流線外型,氣動性能好,抗風能力強,飛行平穩,機動靈活,可垂直起落,俯沖爬升,前進後退,空中懸停,拋撒資料,施放彩色煙霧,空中攝影攝像等,向廣告界展示了一個新穎的廣告載體。This article introduces the design and implement of flight simulator based on dsp which contains five parts. the first part establishs the math model of flight simulator which contains the model of aerodynamics and flight mechanics, the model of standard atmosphere and wind model ; the second part introdces primarily the arithmetic of numeric integral which is very important to dyanmic system simulant. the third part introduces the design of hard interface circuit and program. the fourth part introduces the data flow graph of the flight simulator software and gunge - kutta integral arithmetic. the finall part introduces the design of serial port communication software, it contains communication protocol, the process of upper machine and lower machine communication and the programing of serial port communication by vc + +
本文介紹了基於dsp的飛行器模擬器設計與實現,主要分為五個部分,第一部分建立了飛行模擬的數學模型,包括飛行器空氣動力學和飛行力學的數學模型、標準大氣模型和風模型;第二部分主要介紹了數值積分演算法,它在動態系統模擬中是很重要的;第三部分為硬體介面設計與編程;第四部分介紹了氣動模擬軟體的數據處理流程和runge - kutta積分演算法;最後一部分為串口通信軟體設計,介紹了通信協議、上下位機處理流程和vc + +串口通信編程。In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel
本文採用maccormack顯式時間分裂法、 b - l代數渦粘性湍流模型及氫-空氣兩步非平衡化學動力學反應模型,模擬了在不同的飛行馬赫數條件下,固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒流場。These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide
基於這一點,本文對大型高速巖質滑坡的流體化現象進行了全面而系統的研究:通過風洞模型實驗,研究了大型高速滑坡凌空飛行階段的空氣動力學效應,研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效應,通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效應,並應用離散單元法再現了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程,研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程,並對頭寨滑坡流體化運動機理進行了實例分析,取得了以下主要結論和成果: ( 1 )對于大型高速滑坡,大多在啟程活動階段已獲得了高速,這使得這類滑坡在其離開剪出口之後以凌空飛行的形式向前運動,在其飛行過程中,滑坡巖體與空氣強烈作用,並產生空氣動力學效應,滑坡巖體在因碰撞而產生的解體破碎效應及部分巖體的加速運動效應的作用下,在遠程活動階段,以高速碎屑流的形式向前運動。Before flying, glider and sailplane pilots may be interested to know if there is adequate lift due to upward air currents
在飛行之前,滑翔機師及模型機操作專家可能想知道有沒有上升氣流提供足夠的抬升動力。In order to have a better understanding of the air flow around chek lap kok, the government flying service conducted investigation flights using a twin - engined jetstream j - 41 fixed wing aircraft
此外,政府飛行服務隊為進一步了解赤角附近的氣流,亦在該段期間利用一架雙引擎捷流型jetstream j - 41定翼飛機進行飛行勘察。During the period, over 5000 pilot reports from commercial aircraft were received. in order to have a better understanding of the air flow around chek lap kok, the government flying service ( gfs ) conducted investigation flights using a twin - engined jetstream j - 41 fixed wing aircraft
此外,政府飛行服務隊為進一步了解赤?角附近的氣流,亦在該段期間利用一架雙引擎捷流型( jetstream ) j - 41定翼飛機進行飛行勘察。2. the model experiment aimed at the aerodynamic effect of large high - speed landslides has been accomplished in wind tunnel laboratory for the first time. on the base of testing research, the paper studies different factor which influence the aerodynaxnic effect of flying 1andslide, and numerically simulates the aerodynamic effect with the help of the hydrodynamics finite element
( 2 )首次在風洞實驗室進行了針對大型高速滑坡凌空飛行階段空氣動力學效應的模型實驗,研究了影響飛行滑坡巖體空氣動力學效應的不同因素;應用流體力學有限單元法對飛行滑坡巖體的空氣動力學效應進行了數值模擬。Recently, discrete particle model in which particles are directly tracked was paid widely attention due to the great development of computer hardware. in this model, gas phase is treated as continuous medium, and particle phase is treated as the discrete system. because particle movement is investigated in the particle - level, the multi - scales structure of fluidized bed can be simulated in both particle - scale and macro - scale
近年來,由於計算機硬體的飛速發展,直接對顆粒進行跟蹤的離散顆粒模型得到了廣泛的關注,此類模型將流體相處理為連續介質,顆粒相處理為獨立的離散體系,由於它對顆粒相運動進行的是顆粒層次的分析,因而可以從顆粒尺度與宏觀尺度模擬流化床氣固兩相流的多尺度結構。分享友人