空氣運動數據 的英文怎麼說

中文拼音 [kōngyùndòngshǔ]
空氣運動數據 英文
air movement data
  • : 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...
  • : 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...
  • : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • 空氣 : 1 (大氣) air; atmosphere 2 (氣氛) atmosphere 3 (氣閘) air brake4 pneum ; pneumo ; pneumat ;...
  • 運動 : 運動[舊時用語] arrange things or get things done through pull
  • 數據 : data; record; information
  1. Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process

    論文在對研究區土地荒漠化現狀野外調研和不同時相( 1987tm 、 1996tm和2000ccd )遙感圖像土地荒漠化信息提取和演變分析的基礎上,結合研究區已有的多元信息基礎資料及研究成果(包括地質、地理、多時期的水文象、經濟、人文以及dem等) ,用gis強大的間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等學方法綜合研究了土地荒漠化與各驅因子之間的相關關系,揭示了研究區土地荒漠化的主要驅因素,探討了荒漠化態演化規律。
  2. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲力發生器泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根實驗來討論霧化質量隨各種結構參行參的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。
  3. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流特徵進行了比較全面的測量,包括腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井深進行了優化試驗研究,發現消力井合理深度為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻量估算方法,為導流洞排方案的設計提供了參考依;六、在高水頭、大流量條件下,豎井腔段下部流速很高,盡管水流螺旋引起的離心力可以確保井壁壓強保持正壓,但依然較低,因此豎井的蝕始終是工程界關注的重大問題。
  4. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對圈式直線同步電機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根安培定律推導出圈式直線永磁同步電機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立圈式直線永磁同步電態模擬模型,模擬不同驅方式下電機起、穩態行時電磁力、速度、位移的變化情況。
  5. The first, in this article analyzed the development of the hydraulic spring operating mechanism and based on the theory of energy and liquid, founded the athletics equation in the case of no load. so it was certainly to know the fluence of the data which come from the mechanism

    本文首先總結分析了當今電力市場上極為走俏的彈簧液壓機構發展歷史和工作原理,然後根能量守恆定律和貝努利方程,建立了選用彈簧液壓機構的壓式開關在載情況下的機械方程式,分析了彈簧液壓機構各有關參對斷路器分、合閘過程的影響。
  6. The primary measures for control precept are : sufficiently and effectively utilizing the the air compressors " interior data, realizing online surveillance and alarming for failure of the the air compressors " running interior parts ; letting the air compressors running by master and slave manner, by reasonable arranging the alignment of the air compressors, making the masters yielding pressed air and the slaves adjusting the pressure of the air. this decreases the times of loading and unloading greatly and the decreased failure of air compressors and low maintain ; at the same time we adopt abundant value of the set pressure for stabling the compressure. the air compressors become loaded or unloaded ahead by the abundant value ; caning unloading control for saving power, when the air compressors get along with unloading for a while, the system will stop them ; consummating the purposes for control, enhancing offline control for over - press and low - press, continual loading control and unloading control

    經過分析研究,針對原來存在的問題,在控制方案上主要的改進措施有:充分、有效地利用了壓機的內部參,對壓機的內部部件的行情況實現了在線監視及故障報警;對壓機採用了主、輔結合的行方式,通過對壓機加、卸載隊列的合理排序,使壓機自實現主機產、輔機進行壓調節,減少了壓機的加載和卸載次;在壓縮壓力的穩定上進行了裕量控制,在壓縮壓力不到供能品質所規定的上、下根就根一定的裕量提前進行卸載和加載操作;在節約電能方面對壓機進行了卸載停機控制,當壓機在一定時間內一直處于卸載狀態,系統就認為該壓機沒有行的必要,自將其停機;完善了控制效果,增加了超壓低壓脫網控制、連續加載控制、連續卸載控制等功能。
  7. In the present paper, according to the characteristics of the dynamic running of the thermoelectric refrigerating devices and its components for the refrigerator is analyzed and the independent components " models are established. the entire model describing the working procedure of the refrigerating system is set up with the method of parameters coupling to combine the models of the refrigerating system, load, cabinet and air in the cabinet. the running characteristics of thermoelectric refrigerators on the effects of received current, load and ambient temperature are investigated using small - signal linearization method

    本文根熱電製冷系統行的特點,分析了電冰箱製冷系統及各個部件的熱物理過程,用參耦合的方法把製冷系統、負載、箱體及箱內模型有機地結合在一起,建立了完整的製冷系統工作過程模型,用小階躍信號線性化法分析了電流、負載功率和環境溫度波共同作用下的熱電製冷器工作特性。
  8. In this paper, the working fluid is air. experimental study of the nine different structure parameters of 3 - d ift with staggered arrangement fins in the reynolds number range of 250 to 30000 is performed to investigate the characteristics of heat transfer and flow friction behavior. analyses and reduces the experimental data by the least square method, obtains the nusselt and fanning friction fitting criterion equations

    本文以為工質,在re 250 30000范圍內對九根具有不同肋形結構尺寸的肋叉排三維內肋管的換熱及流特性進行了研究,並用最小二乘法分析和處理實驗,獲得努謝爾特,范寧摩擦系與雷諾,肋幾何參的準則方程式。
  9. The paper analyses the stress of bulk cargo, puts forward the analytic method of working out the separating interface between gas and material and establishes t he model calculating model and the movement characteristic parameter equation according as the moment balance law to determine the size, rotate speed, the drive power of screw and the productivity

    分析了物料間的應力狀態,提出了物料與分離界面的解析法,根物料的力矩平衡建立了螺旋阻力矩的計算模型和物料的特徵參方程,以確定螺旋的尺寸與轉速、螺旋驅功率和輸送量。
  10. These have been developed by the numerical integration of the differential equations of gas motion for a spherical blast wave in air.

    這些都是根中球形爆震波的微分方程的值積分得到的。
  11. So far, work has progressed in a satisfactory manner. trials have been conducted for automatic dependent surveillance ( ads ), controller - pilot data link communications ( cpdlc ), satellite communications ( satcom ), aeronautical telecommunication network ( atn ), digital - automatic terminal information services ( d - atis ) and digital - meteorological information for aircraft in flight ( d - volmet ), pre - departure clearance ( pdc ) delivery via data link, etc. encouraging results and favourable feedback from pilots and airlines have been received

    到目前為止,各項工作均進展順利。自從屬監察系統、管制員和飛行員用鏈路作通訊的系統、衛星通訊、航通訊網路、化自航站情報服務及化遠航象情報服務、經鏈路發放起飛前放行指示等服務都已經過試行作,效果令人鼓舞,備受飛行員和航公司推許。
  12. The visualization of vector fields has consistently been a challenging issue in the visualization field. it can directly display the motion of the vector field by graphics and image and availably penetrate the intrinsic essence and variational law of the vector field. the visualization of vector field has been widely applied in many fields as compute hydrodynamics, aviation kinetics, atmosphere physics, weather analysis and so on

    矢量場可視化是科學計算可視化中最具挑戰性的研究課題之一,它以直觀的圖形圖像顯示場的,透過抽象有效洞察其內涵本質和變化規律,廣泛應用於計算流體力學、航力學、大物理和象分析等領域。
  13. In large rotating machinery using filmatic bearing ( turbogenerator, air compressor, etc. ) there is a potential trouble from impefect installation or running conditions, a metals " contact between rotors and shells. the trouble is usully called rubbing. the advantage of ae technologe in the rubbing diagnosis and early detection is showed. instead of classical ae characteristic parameters ( counts, amplitude, energy, duration and the other ones ) a new feature extraction by frequency analysis of ae envelop signals is discussed. both research of ae process and field experements indicate that periodic components in the envelop spectrum related to rotational speed increase evidently at the beginning of rubbing production, hence are highly sensitive to the rubbing fault diagnosis. according to the new design an acoustic emission equipment for the rubbing diagnosis named buaa ae testing system is developed and described

    汽輪發電機、壓縮機等採用油膜支撐的大型轉機械,由於安裝或行中的原因,在轉子旋轉過程中,可能和器壁發生輕微的摩擦和碰擊,簡稱碰摩.聲發射技術在碰摩發生特別是故障早期診斷上有優越性.本系統的特點是沒有沿用傳統的計、幅度、能量和持續時間等聲發射特性參,而是在聲發射包絡信號的頻率分析中進行特徵提取.聲發射發生的過程分析和現場試驗都表明這種方法對碰摩檢測很敏感,在碰摩發生的起始階段,包絡譜中與轉速同步的周期性分量顯著增加.根這種新的設計思想自行研製了buaa碰摩聲發射檢測儀並對此作了介紹
  14. First, being based upon kalman filter, extended kalman filter formulas was established ; second, with using extended kalman filter in non - linear dynamics system maximum likelihood identification method, the self - contained formulas of estimating parameter was established ; third, according to the air layout of the missle, the aerodynamic parameters identification calculating model was gained, with applying to the non - linear dynamics system maximum likelihood identification method ; finally, with using the calculating model, the aerodynamic parameters were gained. the results which were gained from the calulating model were almost consistent with which were gained from the wind tunnel experiment. thus, it was viable to use the method to estimate the aerodynamic parameters

    首先,以卡爾曼濾波為基礎,將其推廣于非線性力學系統,建立了廣義卡爾曼濾波算式;其次,把廣義卡爾曼濾波算式應用於非線性力學系統最大似然演算法和非線性力學系統最大似然遞推演算法中,建立了各自的參估計完備算式;再其次,以所建立的傾斜穩定導彈學模型為基礎,根該導彈的布局,推導並建立了該導彈學模型,將最大似然遞推演算法應用其中,建立了導彈力參辨識的學模型;最後,利用該模型,估算出了力參,所得結果與風洞實驗基本吻合,從而認為採用此方法是可行的。
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