空氣動力學地 的英文怎麼說

中文拼音 [kōngqìdònglìxuéde]
空氣動力學地 英文
aerodynamically
  • 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...
  • 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...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  1. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  2. The sampling test and aeromechanics experiment provers that the new formula is able to exactly draw the suitable angle for every shot - putter

    抽樣檢驗和空氣動力學實驗指出，新公式能夠準確地描述出高、中、低各種水平鉛球運動員的適宜出手角度。
  3. According to the measuremental data of the two ammunications, the anti - designed computation and analysis of aerodynamic characteristic, flight stability, exterior ballistic characteristic for the two ammunications are studied with the advanced methods of the exterior ballistics. using the monte calo algorithm, the statistic mathematical model about ammunication ' s intensity is established and the 1000 miter vertical target intensity and the fall intensity are discussed in detail for the two ammunications. the improval potential and the main technical approachs of these ammunication ' s exterior ballistic performances are presented by compositive optimal algorithm

    根據工廠對俄ak130艦炮彈藥的測繪數據，利用先進的外彈道數值分析方法對兩種彈藥的空氣動力特性、飛行穩定性特性、外彈道特徵量等進行了反設計計算分析；採用montecarlo方法，建立了艦炮彈藥密集度性能統計分析數學模型，對兩種彈藥的立靶密集度和地面密集度進行了詳細的計算分析；利用外彈道性能綜合優化設計方法對兩種彈藥的外彈道性能指標的改進潛力和主要技術途徑進行了分析。
  4. Using detailed computer simulations, its designers have arranged its orientation and aerodynamic exterior to accelerate the gale - force winds that blow over the pole and channel them underneath the station

    通過嚴密復雜的電腦模擬，設計師安排設計建築的方位和其空氣動力學外殼，讓強風加速吹過鋼筋柱使風力轉移到基地之下。
  5. ( 2 ) transient jet - interaction phenomena, challenge project, is analyzed by computational unsteady aerodynamic method. boundary condition of transient jet is established

    （ 2 ）將非定常空氣動力學數值計算方法創造性地應用於姿態控制發動機瞬態流場計算。
  6. A fair amount of theoretical and experimental work has been devoted at this agency to a better understanding of nonstationary aerodynamics.

    在這方面已經有了大量的理論計算和實驗工作可以更好地了解正常空氣動力學。
  7. A new method is put forward on thermodynamics combustion model to make imitating research on egr - a software is made to calculate the amount of no from the gasoline by connecting with the practical condition in our country, starting with thermodynamics and experiment at the same time make a system research to influence by the exhaust gas returning system on the gasoline, such as exhaust gas, fuel economy, and power, finally a new thought is afforded for optimizing all the egr parameter in chapter 6

    第五章採用上述診斷和預測模型對bj492q發動機進行了模擬計算和實驗研究，並探討了點火提前角、殘余廢氣系數、燃空比、壓縮比和火花塞位置對發動機性能的影響。第六章提出了基於熱力學燃燒模型對egr進行數值模擬的方法，系統地研究了車用汽油機加裝egr系統后對排放、油耗、功率的影響，並結合排放標準。提出了egr參數的全局優化的新思路。
  8. The front wing must not exceed 1400mm across, by 550mm deep and 200mm high

    利用地面加速氣流達到更高的速度，而不是賽車翼單單在空氣中，這是空氣動力學的關鍵原理。
  9. The paper introduces the basic principle of the inducement type ventilation in the province of aerodynamics : disturbed characteristic of high - speed cascade can effectively leads quiescent air around it and drive air flow, compares and analyzes the traditional ventilation type and inducement ventilation type applied in underground garage in the facets of airflow organization, practicability and economy, coming to the conclusion that the inducement type ventilation is applied to the underground garage in the facets of economy, practicality and high efficiency

    摘要介紹了誘導式通風利用空氣動力學中高速噴流的擾動特性，能夠有效地誘導周圍靜止的空氣，帶動空氣流通的基本工作原理，就傳統通風方式和誘導通風方式，在地下車庫應用中的氣流組織、實用性、經濟性等幾個方面做了比較，分析認為，誘導式通風因其經濟、適用、高效的特性適合在地下車庫應用。
  10. Through the competition of ionization equilibrium of zno22 - and precipitation reaction, the nucleation and growth process of znse have been adjusted, and monodispersed znse semiconductor hollow microspheres are obtained. these microspheres were found to form through aggregation of small znse nanocrystals sizes of which could be finely tuned by temperature control. a novel gas - liquid interface aggregation mechanism was proposed and this idea might be generalized in other systems

    以zno22 -陰離子提供鋅源，利用它在強堿性溶液中緩慢釋放出zn2 + ，並與se2 -之間的電荷排斥作用，成功地調節了反應動力學，獲得了尺寸和分散性都非常均勻的微米級znse空心球，並實現了空心球內部粒子尺寸的調控，提出了新穎的氣液界面團聚機理。
  11. The iterative algorithm for calculating the monin - obukhov length in the aerodynamic method is transformed into the problem of finding the fixed points of a one - dimension mapping in nonlinear theory

    將空氣動力學方法迭代求解monin - obukhov m - o長度的過程，轉化為非線性理論中求解映射不動點的問題，獲得穩定近地面層m - o長度的解析解。
  12. It is built as an open platform for scientific research on groundwater circulation at different scale, resource and environment effects, water - salt flux variation at interface and effects on the global climate induced by human activities, assessments of regional groundwater and the detective technology, isotopes during the groundwater evolution, numerical simulation and predict technique

    發揮我所尖端科研資源優勢，建設開放式創新研究平臺，主要支持開展不同時空尺度地下水循環演化過程、資源與環境效應及其動力學，層圈間不同界面水鹽通量變化及其對全球氣候變化和人類活動影響的響應機制，區域含水層系統探測技術與評價理論，地下水演化的同位素與數值模擬、預測技術等研究。
  13. In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received

    採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 （ 0 < x 1 / 2 ）層狀固溶體系列，綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響，確定出了最佳合成工藝:以硝酸鋰為鋰源，超聲波作為分散動力源，鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 ， 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳，在2 . 8 ~ 4 . 40v之間， 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。
  14. To study the aircraft - engine stability assessing technology about total - press distortion, four different structure insert - boards and testing schemes are designed, based on the technology of russian insert - board distortion and assessing compressor stability of english and usa. the low speed compressor ( lsc ) at college of energy and power in nuaa is used to carry out the all insert - board distortion experiments studies

    為了能夠更清楚地認識俄羅斯關于總壓畸變下的航空發動機穩定性評定的技術，本文在了解俄羅斯插板畸變試驗技術和英美等國家的穩定性評定技術的基礎上，設計了4塊不同結構形式的插板畸變擾流器裝置及試驗測量方案，利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，完成了各插板的畸變試驗。
  15. It indicates that the diffusion is the important factor of gas losing in binbei region. this paper researched the hydrodynamic pressure and its change characteristics in the space by means of the ion concentration of formation water, reduced pressure and its change characteristics in the plane, the result indicates that from north - east to south - west, the hydrodynamic conditions are better and better in binbei region, the areas near the binbei railroad are the favorable area for oil and gas to accumulate

    利用水化學離子濃度，折算壓力大小及其平面變化對濱北地區水動力強弱及其空間變化特徵進行了研究，結果表明濱北地區水動力條件變化趨勢為由東北向西南逐漸變弱的特點，由此推斷濱州線附近應是濱北地區油氣保存的有利地區。
  16. According to the definition and expression of the thrust, as well as the condition derived from them, a method of solid rocket ramjet thrust determination and its program are provided on the basis of engine ground simulation test

    本文以西北工業大學固體火箭沖壓發動機直連式試車臺為研究對象，探討固體火箭沖壓發動機地面試驗技術。首先，從推力的定義出發，建立了試驗中來流空氣流量、燃料流量與固體火箭沖壓發動機推力之關系。
  17. Abstract : based onmethods of foreign countries of using wi nd tunnel test and numerical flow simulation, optimum nose a nd tail shapes ofhigh - speed trains are studied to achieve optimum aerodynamic performance so as to efficiently reduce the influence of theaerodynamic phenome na on the train operation and the environment. research results of foreign countr ies are introduced

    文摘:針對國外利用以風洞模型模擬試驗和以流場數值模擬計算為主的方法來尋求高速列車最佳的頭尾部形狀，使列車的綜合氣動性能最佳，從而有效地降低空氣動力學現象對列車運行和周圍環境的影響進行了探討，介紹了國外在此方面取得的主要成果。
  18. Single - layer model is convenient to apply but the unclear relationship between radiative and aerodynamic temperatures is still a bottleneck in this field. a new method was developed to derive reliable surface heat fluxes from radiative temperature viewed from arbitrary zenith angle. aerodynamic and radiative temperatures are connected through a so - called optimum component fraction ( ocf ) parameter - the fraction of vegetation in the field of view when the two temperatures are equivalent in oblique viewing

    該方法利用表面熱輻射方向性和顯熱通量都是源於土壤和植被溫度的貢獻這一共同點，發現在一定傾斜角度的觀測下，視場中植被與土壤的比例可以較好地反映植被和土壤與大氣進行湍流熱交換的貢獻率，所以稱該方法為最佳組分面積比法，用最佳組分面積比可以將任意角度下觀測到的輻射溫度訂正為空氣動力學溫度，經過地面和遙感數據驗證表明，用該方法計算的通量精度高於普通的單層模型。
  19. The oxidation mechanisms of 3d c / sic composites in air, in water vapor and in oxygen / water vapor coupling environment have been clarified on the basis of oxidation behaviors and microstructure analysis of c / sic composites. the oxidation kinetics models of the composites in oxygen and in oxygen / water vapor have been established respectively based on the theories of chemical reaction kinetics and mass transport. the software platform of factorization for analysis of c / sic composites oxidation behaviors has been developed

    本文以3dc sic復合材料氧化行為的實驗研究為基礎，結合復合材料的顯微結構分析，系統地闡明了復合材料在空氣、水蒸汽和氧水耦合環境中的氧化機理，並運用化學反應動力學和傳質學的基本理論，建立了復合材料在氧氣環境和氧水耦合環境中的氧化動力學模型。
  20. In this dissertation, the author summed up the muti - technique in fluid dynamics, heat and mass transferring, mechanical designing and computational technique and studied the conventional pressure spray dryers with different air disperse structure and outlet equipment, at last put forward the theme i. e. the study on combined spin - flow pressure spray drying technology, the main contents were as follows : ( 1 ) the combined spin - flow pressure nozzle was designed whose novel structure has no report at present, and the structural designing parameters were obtained through analyzing the physical characteristic of materials and distribution of particles

    本文總結了國內外在壓力噴霧乾燥裝置的研究應用狀況，並分析了現有噴霧乾燥裝置設計方面的優缺點，運用流體力學、空氣動力學、傳熱傳質學、機械設計和計算機技術等多學科知識，綜合研究了傳統壓力噴霧乾燥系統的單噴嘴霧化裝置在併流、逆流以及混流乾燥中的應用和噴霧乾燥塔的不同布風裝置以及出風裝置的設置情況等，提出了新型旋流式組合壓力噴霧乾燥技術並對此進行了研究，其主要內容包括： （ 1 ）本文創造性地設計出旋流式組合壓力噴嘴的基本結構，並通過對料液的物化特性研究分析以及顆粒度的分佈要求，給出了噴嘴的不同結構設計參數。
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