氣體流導 的英文怎麼說

中文拼音 [qìtǐliúdǎo]
氣體流導 英文
gas conduction
  • 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...
  • 體 : 體構詞成分。
  • 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...
  • 導 : 動詞1. （引導） lead; guide 2. （傳導） transmit; conduct 3. （開導） instruct; teach; give guidance to
  • 氣體 : gas; gaseous fluid
  1. The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication

    詳細論述了導軌副的設計過程，運用數學上的拉格朗日條件極值求解法，建立最優化數學模型，求出環矩形負壓吸附導軌的結構參數的比例情況，並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。
  2. Measuring systems are affected by other properties such as thermal conductivity and thermal convection of the sample gas.

    測量系統還受樣品氣體的導熱性和熱對流性之類其他性能的影響。
  3. The research object of this thesis is a chip - array that is fixed on one of printed circuit boards ( pcb ), which are located in a forced air field ( forced convection ) in an electronic case ; and from the essential equations of airflow we can deduce the mathematical model of the turbulent flow ; then we can establish the finite element algorithm and apply the fe software to work out the equations of turbulent flow, finally we can use the software to display and analyse the field of flow and temperature

    本文以處于強迫空氣對流流場中的某pcb板及其板上的電子元件陣列作為研究對象，推導了紊流流場的數學模型，並建立了相應的有限元求解格式，應用有限元法分析軟體對該系統的紊流流場和溫度場進行了模擬分析：解算出pcb板上各電子元件的溫度分佈；並提出了用於求解系統風道特性曲線的cfd方法。
  4. The feasibility that kaufman ion source is applied in reactive ion beam etching is discussed. etching characteristics of materials, including pr, cr, quartz, are investigated. the etch rate and mechanisms of such materials are measured and analyzed as a function of ion energy, ion beam density and ion incidence angle in pure ar and chf3, respectively. the etch rate has shown a square root dependence on variation versus

    深入研究了光刻膠、鉻薄膜、石英等光學材料離子束刻蝕特性，分別以ar氣和chf3為工作氣體，研究光刻膠、鉻薄膜、石英等的刻蝕速率隨離子能量，束流密度和離子入射角度的變化關系，得到刻蝕速率與影響因素的擬合方程，為掩模的製作工藝路線提供了實驗依據和理論指導。
  5. According to gaseous " molecular kinetic, the mass diffusion rate is within finite value. so theoretical conclusion of mass flux ' s producing and the essential relation of flux vs. force could be drawn. with the assumption that local density states in near equilibrium and the distribution is gradual changed, the classical first pick ' s law was modified considering mass relaxation time

    根據氣體分子運動論對質量傳播速度為有限值情況下的質量流的產生及流與力之間的本構關系作了理論推導，在假定局域濃度處于近平衡態，其分佈為漸進的情況下得到了考慮質量鬆弛作用的經典fick第一定律的修正式。
  6. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  7. This paper, based on normalizing well logging data while drilling and correcting depth into true vertical depth and calculating reservoir parameters and etc, combining the practical ease of mobei oilfield, extracted logging and geological pattern characteristic of target oil - gas formation and geosteering mark formation, and used bp neural network and regressive analysis to create predicting mode of geosteering parameter to build relevant contrast curve ; adopted geometry geosteering method to fix on die drilling direction of bit upper and declination, the position in reservoir, to judge the real drilling case. all finely solved the problem to follow the geological target while drilling for three horizontal well these methods improve the drilling horizontal well ability by using the techniques to follow the geological target while drilling, and then it is convenient and practicable

    本文在開展隨鉆測井資料的標準化和斜井校正及儲層參數解釋與含流體性質判釋等工作的基礎上，結合研究工區莫北油田的實際情況，提取了目標油（氣）層和導向標志層的測井地質模式特徵，並採用bp神經網路法和回歸分析法建立了地質導向參數的預測模型、構造了相應的對比曲線；採用幾何導向法確定鉆頭上下傾鉆進方向及其在目標層的位置，以判斷實際鉆進地層情況，很好地解決了研究工區三口水平井的隨鉆跟蹤地質目標的問題。
  8. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  9. Standard guide for mixed flowing gas tests for electrical contacts

    電觸點的混流氣體試驗用標準導則
  10. With a careful theoretical analysis various physical parameters such as the gas density, temperature, and pressure, and the ultraviolet and ionizing radiation fluxes can be derived.

    通過仔細的理論分析，可以推導出如氣體密度、溫度和壓力等各種物理參量，以及紫外輻射和電離輻射的流量。
  11. You can adjust the flow in accordance with the applied welding current to save gas, but if the flow is too small resulting in the insufficient stiffness of the protecting gas, the welded point will not be covered completely

    為節約氣體，你可以根據不同的焊接電流工況選擇不同的流量，但過小的流量可能導致保護氣體挺度不夠，不能全部覆蓋焊點。
  12. The study of the interaction of magnetic fields and electrically conducting liquids or gases, such as molten metal or plasma

    磁流體動力學對磁場和導電的液體或氣體，諸如熔化的金屬或者等離子區之間的相互作用的研究
  13. Abstract : by using the 3 - d unsteady state heat transfer equation, the heat convection and radiation between the checker and the gas which flows through the checker holes, and the heat conduction among the checker in the chamber of the hot blast stove were studied. the time dependable gas temperature and the temperature distributions within the checker were obtained

    文摘:應用三維非穩態熱量傳輸方程，對高爐熱風爐在燃燒過程中蓄熱室內格子磚與氣體之間的對流和輻射傳熱，以及格子磚內部的導熱過程進行了耦合求解.得到了在燃燒期內格子磚及燃燒過程中燃燒廢氣的溫度分佈情況及其隨時間的變化規律
  14. In this thesis, active flow control with plasma has been investigated. a uniform, controllable, glow - charge surface plasma under one atmosphere has been generated successfully. and flow velocity has been induced in still air. consequently a new method about active flow control is discovered

    本文主要進行了在一個大氣壓下應用等離子體實現主動流動控制的研究，成功地在一個大氣壓下產生了均勻可控的射頻輝光等離子體，採用電流體（ ehd ）技術在靜止的空氣中誘導了流場，開創了主動流動控制的一條新思路。
  15. In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,

    根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。
  16. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  17. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相應的數學模型和數值計算方法，在材料內部建立了二維軸對稱的非穩態導熱控制方程，其中加入了材料熱解、熱解氣體流動以及炭化層內的化學反應等因素的影響，化學反應由化學動力學控制，通過arrhenius公式確定其反應速率。
  18. And flow velocity can be induced in still air. consequently a new method about active flow control is discovered. flow visualization has shown that plasma between symmetric streamwise electrode strips ca n ' t induce flow velocity at the same phrase driving but can at multi - phrase driving, and asymmetric streamwise eledtrode strips can induce flow velocity both at the same phrase and at multi - phrase driving in still air

    本文的主要工作表現在以下幾個方面：一、成功研製了高效、經濟、可控的輝光等離子體發生器，利用自行研製的等離子體發生器一個大氣壓下產生了均勻可控的輝光等離子體，並進行了流動顯示實驗，採用ehd技術在靜止的空氣中誘導了流場，開創了主動流動控制一條新思路。
  19. At the same time, when the gas flow passes the flow area of the inlet valve at a high speed, turbulent throw - outs will appear and lead to the generation of high frequency noises. as the flow area of the inlet valve keeps changing, the turbulent noise is of fixed frequency range ( generally over 1 000 hz )

    與此同時，當氣流以高速流經進氣門流通截面時，產生湍流脫體，導致高頻噪聲的產生，由於進氣門通流截面是不斷變化的，因此湍流噪聲具有一定的頻率范圍，主要集中在1000hz以上的高頻范圍。
  20. The keep - up pressure recovery of most oil - gas reservoirs and the gas storage measurement on some depletion reservoirs have been made in china, which have endlessly caused variation of pressure difference between inside - pore and outside - pore, followed by always changes of compressibility, porosity and permeability of rocks due to injection and production time and again of reservoir fluids

    摘要目前我國許多油氣藏進行了保壓開采措施及對部分衰竭油氣藏進行儲氣庫改造措施，油氣藏流體反復注采，使得孔隙內外壓差不斷變化，導致巖石壓縮系數、孔隙度、滲透率發生著不斷的變化。
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