高空模擬 的英文怎麼說
中文拼音 [gāokōngmónǐ]
高空模擬
英文
high-altitude simulation- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 擬 : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
- 高空 : high altitude; upper air; welkin高空病 airsickness; altitude sickness; aeroembolism; hypobaropath...
- 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
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Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing
文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力The system can display in 3d the robots with higher quality graphics on pc by adopting the solid model technology, and modify the model of robots according to the size given by users, so that the parametric modeling is realized under interactive mode. it realizes the graphics simulation of robots in kinematics in both articulatory space and cartesian space, and it also realizes the animated simulation of trajectory of linear interpolation in point - to - point mode. the movement of robots can be realized by graphics teaching or programming
該系統採用實體造型,能在微機上顯示較高質量的機器人的三維圖形,可以按照用戶給出的尺寸修改模型,在交互方式下,實現機器人的參數化造型;系統能夠在關節空間和笛卡爾空間中進行運動學的圖形模擬,能進行點到點直線插補軌跡的動畫顯示,機器人的動作可以示教再現,也可以由程序設定。Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。The simulative cloud image, made from the mixing ratios of cloud liquid water, rain water, ice crystal, snow, graupel which were outputted by the mesoscale model mm5, resemble the gms satellite infrared image very well and also show the cloud evolution of typhoon winnie from tropical cyclone to extratropical cyclone after landing
利用高解析度中尺度數值模式輸出的大氣中雲水冰水雨水雪水成功地模擬出1997年登陸臺風winnie的雲系結構。模擬雲圖與氣象衛星實際觀測的臺風雲圖非常相似。由於模擬雲圖可以給出大氣中不同形態水物質的三維空間分佈,彌補了衛星只能觀測雲頂表面的不足。As one of frame data of national spatial data infrastructure, digital elevation model excels contour line. it can express continuous gurgitation of ground, and it can also carry out relevant mathematical analyses and imitation, so it is applied broadly in various fields at present
=數字高程模型dem是國家空間數據基礎設施的框架數據之一,其彌補了等高線的不足,既能表示地面的連續起伏變化,又適合作相應的數學分析和模擬,現在已在各個領域得到了廣泛的應用。Numerical simulation of high temperature combustion for low heat value gas
低熱值煤氣高溫空氣燃燒數值模擬Adopting high resolution nested grid project and proper physical parameter, a mei - yu heavy rain process during eight july 22, 2002 and eight july 23, 2002 and the meso - b - scale systems alongwith it, were simulated by use of psu / ncar meso - scale nonstatic numerical forecast model mm5 in this paper. the simulation result describes successfully the spatial and temporal distribution of this rain process and the developing course of the concomitant meso - ? - scale systems
本文利用psu ncar的中尺度非靜力數值預報模式mm5 ,採用高解析度套網格方案和適當的物理過程,對2002年7月22日08時到23日08時的一次強梅雨暴雨過程和伴隨的中-尺度系統進行了數值模擬,結果很好地描述了本次暴雨降水的時空分佈及相伴隨的中-尺度系統的發生發展過程。We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful
綜合分析認為: ( 1 ) 、這次冷渦在其發生發展過程中,其移動路徑是沿經圈直線南壓,攜帶的冷空氣勢力較強,形成槽后較強的垂直運動; ( 2 ) 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸,把源源不斷的西南暖濕氣流輸送到遼西地區,也就是急流軸的左前方位置,為這次暴雨的產生提供了充足的水汽來源; ( 3 ) 、低空急流不但為暴雨輸送水汽,其造成的較強的垂直環流也是產生強降水的一個主要原因; ( 4 ) 、 mm5模式以四維同化資料作為初始場,最大限度地避免了觀測誤差可能造成的積分不穩定,提高了模擬結果的參考價值。Simulation results show that better atomization can be realized by enhancing the cavitation intensity via increasing the injection pressure difference or decreasing the nozzle inlet round angle - radius ratio
通過模擬計算可知,提高噴射壓差和減小噴孔入口圓角半徑都可以提高空穴強度,同時也發現提高噴孔長徑比可以使空穴在噴孔出口截面上分佈更為均勻。High pressure air is brought through the strut and simulates the engine air flow.
高壓空氣通過支板引入並模擬了發動機的氣流。The ncep / ncar global reanalysis data about 55 yean ; ( 1948 - 2002 ), the observed data about 2 years ( 1999 - 2000 ), the meiyu data in the mid - lower reaches of the yangtze river and the precipitation data at 160 stations in china duing 1951 to 2000 are used in the paper. we present a preliminary study on the relationship between the precipitation total for meiyu and the summerly precipitation in the eastern side of the northwest china. then using nonhydrostatic version mm5 with one nested grid, the effect of the circulation patterns for meiyu on the summerly precipitation in the eastern side of the northwest china was simulated by numerical simulation of full physics
本文採用1948 2002年ncep再分析資料、 1999 2000年的全球地面、高空觀測資料、 1951 2000年梅雨以及全國降水量資料,初步研究了長江中、下游地區梅雨事件與西北地區東部夏季降水的聯系,並用mm5中尺度非靜力模式模擬了多(少)梅雨環流型對西北東部夏季降水的影響;另外,還分析了梅雨與四川盆地、東南沿海地區夏季降水的聯系。The series h pump can be a backing pump when combined with another high vacuum smelting, vacuum drying, vacuum impregnate and high vacuum simulation testing, ect
廣泛地應用於真空冶煉、真空乾燥、真空浸漬、高真空模擬試驗以及其他真空作業上。The domestic artificial map cracking ( cavity ) core is first presented, which is accordant with prerequisites similar to the real permeability and the percolation spatial configuration of the reservoir, and successfully applied to the long - core test under the conditions of high pressure, high temperature, high salinity and high viscosity available
在國內首次人工製造出了同時符合油藏儲滲層滲流空間形態要求和滲透率要求的網狀裂縫(洞)巖心,並在四高,即壓力高、溫度高、礦化度高、粘度高的模擬油藏實際條件下成功應用人工製造網狀縫巖心完成了輪古地區長巖心驅替實驗。Method of test data processing for missile used turbojet - part2 : high altitude simulation test
彈用渦輪噴氣發動機試驗數據處理方法第2部分:高空模擬試驗Numerical study on supersonic ejector of simulated altitude test stand
高空模擬試車臺超聲速引射器數值研究The dynamic thrust measure technology for high - altitude simulation test of the attitude control liquid rocket engine was studied in the thesis
本文研究的是姿控發動機高空模擬試車中的動態推力測試技術問題。When an engine works under the vacuum condition. so existing experimental products can be proof - tested by it and all test results obtained will be used for reference for the aero craft. accordingly, the technology studied in the thesis is quite significative to improve the efficiency of the engines of space propulsion system, economize limited resources on the spacecrafts, and prolong their lives
其目的是建立一個能滿足小推力液體火箭發動機動態推力測試的系統,以便能夠根據空間推進系統對發動機越來越高的工作性能要求,真實有效地反映發動機在真空環境下的工作狀態等,對已經設計和生產出的發動機在高空模擬條件下進行實際測試,從而提供發動機的動態性能指標,為發動機的定型提供試驗數據和依據。The conception of the object - space separating modeling technique based on the triangular grids is introduced, and simplification calculation of the points of intersection between semi - finished material and cutting scanning body brings forward, which reduces calculation quantities in simulation, increases the speed of simulation and optimizes the effect of simulation
重點介紹了基於三角網格的物體空間離散建模概念,提出了刀具和毛坯求交計算的優化方法。建模方法和求交演算法的優化減小了模擬過程中的計算量,提高了模擬的速度,優化了模擬的效果。The full - digital servo control system of satellite antenna has already passed the whole satellite payload system test. the result shows that the system has good speed stability, high precision scan period and can work reliably under the simulative space environment
本文所設計的衛星天線全數字伺服系統已通過衛星有效載荷系統的聯試實驗,結果表明:該系統具有較高的轉速穩定性和高精度的掃描周期,可以在外太空模擬環境下長期可靠地運行。分享友人