氣動阻力件 的英文怎麼說

中文拼音 [dòngjiàn]
氣動阻力件 英文
air-resistant member
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. 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流分佈規律.在此基礎上,比較了2種不同設計方案的流流特徵,尤其是研究了燃燒器空通道內流板的設置與否對空和煤的流和混合的影響.結果表明,流板的設計對加強空和煤的混合有著極為重要的作用,同時也增加了空管道的損失,在同樣的工況條下需要提高管道系統的總壓
  2. In education, the author explains that the educational innovation served as premise and security for the development of physics via in - depth analysis on the college education and educational system of physics in germany ; ln philosophy, to avoid the superficial and rigid opinions that philosophy either guides or hinders physics, which is resulted from one - way analysis on the influence of physical knowledge by specific philosophical knowledge, based on the combination of physical achievements by philosophy and profound philosophical knowledge, the author illustrates that the influence on german physics by philosophy reflects more on a kind of spirit a nd this very spirit brings the new quality into the german physics ; in mathematics, by means of analyzing integration of mathematics and physics at different stages, the author is tended to testify that the blooming mathematics in germany is the indispensable condition for the prosperity of german physics because. 2 mathematics provides language tools for the development of physics ; ln culture, by way of analyzing the common features of german physicists and connecting the brilliant german culture, the author audaciously brings forward that the wissenschaft ideas and faust ideas is the important driving force for the prosperity of the development of german physics

    在教育方面,通過對德國大學和物理教育體制的形成的分析,說明教育改革是物理學發展的先導和保證;在哲學方面,作者避免了從具體哲學知識對物理知識影響的單一方式出發而得出「要麼指導要麼礙」的兩種簡單僵化觀點的弊端,將哲學對物理學成就的影響和德國物理學家群體很高的哲學素養結合起來分析,說明哲學對德國物理學的作用更多的是體現在一種質、精神上,正是這種質和精神為德國物理學的發展注入了一種新的特質;在數學方面,通過對不同時期數學和物理學融合程度的分析,證明了發達的數學是德國物理學繁榮和領先的必不可少的條,它為物理學的發展提供了語言工具;文化方面,通過對物理學家群體特點的分析聯系燦爛的德國文化,作者大膽提出其中蘊涵的wissenschaft思想和浮士德精神是德國物理學繁榮和領先的重要
  3. And experimental study on the heat transfer performance and pressure drop characteristic of the process of bubbling evaporative cooling are carried. as there are so little attention and studies on the process bubbling evaporative cooling about heat transfer in the world at present, this paper mainly deals with the effects of the different bare tower velocity, weir height, heat flux density and plate perforation geometries on the heat transfer coefficient and the pressure drop of the process of air flowing

    由於目前國內外對鼓泡蒸發冷卻過程在換熱方面的關注和研究較少,本文對不同空塔速度、不同堰高、不同熱流密度、多孔板的不同幾何尺寸對換熱系數及空過程的影響進行了實驗研究及理論分析,總結了本實驗條下換熱及的實驗關聯式。
  4. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用控制理論和三維歐拉方程的機翼反設計研究,以及有升約束情形下機翼跨音速減問題研究,分別推導了相應的共軛方程及邊界條數學表達形式,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、流場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的反設計和跨音速減優化設計程序,成功地進行了多個設計算例研究。
  5. The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined

    具體方法為:由學測量系統測得活速度和室壓;分析活的受,建立學模型;以運代替水平方向上的摩擦和水,獲得各運階段的速度關系曲線;利用室壓經驗公式和速度關系曲線,對水下突擊步槍進行初步的學分析,確定其構造型式及主要參數。
  6. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的流看成是理想流體的一維恆定流,通過對二郎山特長公路隧道半橫向通風系統建立隧道內的空學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風下隧道中的風速分佈及流量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半橫向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半橫向通風公路隧道的火災通風提供科學的方法。
  7. Temperature kits : contact must be properly fixed in the evaporator export pipelines, real - time communication evaporator components to temperature degrees, the material will be filled through interlinked capillary pressure due to the expansion of corrugated boxes ; swelling corrugated boxes on the pressure for change in the thrust pole with an adjustment screw and spring - loaded ball - type valves to adjust the resistance of the degrees of refrigeration volume precision adjustments

    感溫包:是必須妥善接觸固定在蒸發器的出口管道上,感知蒸發器實時回溫度的部,它將充填物質的熱脹冷縮壓通過相通的毛細管提供給膨脹波紋箱;膨脹波紋箱依據壓的變化推桿結合過熱度調整螺絲和彈簧的來調整球型閥的開度,實現製冷量的精確調整。
  8. Devices to prevent pollution by backflow of potable water - pipe interrupter with atmospheric vent and moving element dn 10 to dn 20 - family d, type b

    防飲用水迴流污染的裝置.帶大孔和移的管流器dn10至dn 20 . b型d系列
  9. The regularity of accumulation distribution is ascertained and directs the exploration orientation. the main results obtained in this paper are : 1. the analyses of hydrocarbon - bearing rock, reservoir, caprock and oil & gas reservoir indicate the source of oil & gas, the space for reservoir, requirement for preservation, reservoir type and its basic characters. 2. it is realized by the analyses of sealing up capability of caprock and faults, and fault ' slatter stability from microcosmic and macroscopic that the wide - spread regional caprock of nm t prevented oil & gas of neogene from diffusing fault movement in neogene less violated and fault displacement decreased, which are advantageous for the preservation of oil & gas reservoir. and latter structure movement usually formed the accunulation of oil & gas in neogene. 3. the research of history of hydrocarbon generation and expulsion of main hydrocarbon - bearing rock in qikou depression reveals the threshold depth and the fime of hydrocarbon generation and expulsion

    項目研究取得了如下認識: 1 、對烴源巖、儲集層、蓋層及油藏展開分析,明確了歧口凹陷上第三系油藏的油來源、儲集場所、保存條和油藏類型及其基本特徵; 2 、從微觀和宏觀上對蓋層的封蓋能以及斷層封堵和後期穩定性進行分析,認識到明下段區域蓋層的廣泛分佈止了上第三系油藏的油逸散,同時上第三系斷層活減弱,斷距較小,對油藏的保存較為有利。
  10. By means of the theoretical analysis of the micromachined vibratory rate gyroscope, we get following conclusions : the microgyroscope can be driven by tangent electrostatic force produced by fence structure electrodes, and the normal electrostatic force can be neglected for the influence of the device property ; the parasitical capacitance and fringing effect can ’ t be neglected for the calculating of the detection capacitance ; the coefficient of damping force is comparatively little when the air damping in the driving mode and the sensing mode of the device is the couette flow damping

    主要內容如下: 1 .分析了微機械陀螺的運特性、靜電驅特性和在大下的尼特性,分析結果表明,可以運用切向靜電質量塊振,法向靜電對器特性的影響可以忽略;在計算微結構電容時,電容的邊緣效應和寄生電容不可忽略;在器所受尼主要為庫埃特流尼的情況下,系數較小。
  11. Based on the mechanism of slipstream interaction, described in this thesis is firstly the interaction of the propeller slipstream with the wing 、 fuselage and horizontal tail. subsequently, the changes in lift 、 drag and pitching moment are derived, giving an engineering model for the prediction of the increments in the aerodynamic characteristics caused by the interference between the propeller slipstream and the other parts of aircraft. this method offers a powerful means to the calculation of the aerodynamic interaction between the propeller and the aircraft, providing reliable data for the design of and aerodynamic calculation on propeller - powered aircraft

    本文以滑流干擾的機理為出發點,研究了螺旋槳滑流與飛機機翼、機身、平尾組合體之間的相互影響,推導出滑流引起的飛機升和俯仰矩的變化,給出了滑流干擾對機體特性影響的工程估算方法,為研究螺旋槳與飛機部之間的相互干擾提供了有的工具,為以螺旋槳發機為的飛機的設計和計算提供可靠的依據。
  12. We generated its grid surface on the fuselage or missile body according to the geometry projection relation between aerodynamic components and the bilinear interpolation approach. finally, we successfully developed a new algebra grid generation technique in virtue of the improved four - boundary interpolation. in this thesis, we put emphasis on the researches of aerodynamic inverse design and drag reduction questions for airfoil and wing using euler equations and control theory proposed by jameson

    ( 2 )進行了應用控制理論和二維歐拉方程的翼型反設計,以及有升約束情形下翼型跨音速減問題研究,分別推導了相應的共軛方程及邊界條的數學形式,並給出了相應的梯度求解公式形式,研究發展了共軛方程及梯度的數值求解方法,成功進行了多個翼型的反設計和減問題研究。
  13. Since frosting is inevitable so long as some physical factors are satisfied, it will enlarge the resistance of airflow, cut down the airflow rate of air cooler and reduce the coefficient of heat transfer. in order to keep the refrigeration system run smoothly, frost must be removed

    結霜只要滿足一定的物理條就是不可避免的,霜層增厚增加了空的流,冷風機盤管流量減少,同時霜層增厚也會導致傳熱系數下降,因此為保持系統高效運行,除霜是必須的。
  14. In addition, aerodynamic stiffness and aerodynamic damping on the system are already obtained in the condition of fluid - structure interaction. it is known that aerodynamic loads are associated with blade vibration. the systematic eigenvalues are used to judge whether the flutter occurs so as to find the stable operating range of a wind turbine

    本文把風機葉片簡化為懸臂梁,對梁截面的二維葉型建模,完整推導了二維葉型的線性運微分方程和流構耦合條下系統的剛度和尼,此時載荷與結構的位移矢量以及速度矢量是相互耦合的,再利用系統的特徵值來判斷葉片顫振是否發生,從而獲得風機的穩定工作范圍。
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