渦動渦流 的英文怎麼說
中文拼音 [guōdòngguōliú]
渦動渦流
英文
swirl-
How often does severe clear air turbulence occur over tropical oceans
熱帶海洋晴空發生強氣流渦動的頻率如何?The study of the vortex loss of the magnetic airproof driver
磁力密封傳動器中渦流損失的研究A sprinter ' s greater visibility is also assisted by the bow wave being bigger and the following trough being deeper
游的快的運動員的可見度也得益於前面更大的渦流和其後的更深的波谷。Engine load simulated control system was consisted of two unattached parts of work resistance simulated control subsystem and electric bow wave dynamometer control subsystem. with the mathematic models of engine load simulation controller, which transferred the work resistance ' s change to engine load change immediately, the system can met the need of the simulation control system
發動機負荷模擬加載控制系統包括彼此獨立的作業阻力模擬控制子系統和電渦流測功機控制子系統兩部分,應用發動機負荷模擬控制器數學模型,使作業阻力的變化及時轉換為發動機負荷的變化,能夠滿足模擬系統的控制要求。Vortex injection provides a form of swirl or cyclone combustion for a rocket engine similar to systems often employed in industrial furnaces.
渦流噴射在火箭發動機中產生一種渦流或旋渦形式的燃燒,與工業爐中常採用的系統相似。As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results
通過分析發現電磁阻尼器線圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因,推導了波動電流、阻尼系數的計算公式,並通過實驗展示了被動式電磁阻尼器的阻尼效應。By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve
通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並對氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。Research on dynamic characteristic of eddy acceleration geophone
渦流檢波器動特性的研究Numerous and extensive eddy cavities retard the turbulent mixing process.
多而大的渦流區延遲了擾動的混合過程。Only the muddy water at wrightwood flowed turbulently.
在賴特伍德只有泥水才以渦流的方式流動。Numerous and extensive cavities retard the turbulent mixing process.
多而大的渦流區延遲了擾動的混合過程。Measurement of fluid flow in closed conduits - velocity area methods - methods of flow measurement in swirling or asymmetric flow conditions in circular ducts by means of current - meters or pitot static tubes
封閉管道內液體流量測量.第2部分:速度范圍法.第3節:用流量計或皮托靜壓管在圓形管道中渦流或不平衡流動條件下測量流量The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。Because of its special structure, the high velocity flow under the shield, big vortex and upcast flow behind the shield will affect the spray drift. if these situations could be changed, the drift can be reduced further
但由於該罩蓋的結構特點,其下方產生較大速度的運動氣流和罩蓋後部產生的渦流以及上旋氣流,將直接影響霧滴的飄失。Numerical investigation on the swirling flow inside a volute influenced by distorted inflow
離心風機蝸殼進口周向來流的非均勻性對其旋渦流動影響的數值研究On the basis of axial vortex theory, the aerodynamic performance of tilt - rotor model has been built, and using it to analyze the aerodynamic performance of xv - 15, comparing to the actual data to prove the model ’ s validity, finally studied the variety of aerodynamic performance relative to the variable rotor diameter
以軸向渦流理論為基礎,建立了適合於傾轉旋翼機氣動分析模型,以xv - 15傾轉旋翼機作為算例,通過結果的對比,表明本文的氣動模型能較好的分析傾轉旋翼機的氣動性能,並在氣動性能的基礎上分析了直徑變化對傾轉旋翼機氣動性能的影響。The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed
並且將兩種定位演算法進行了比較,說明了優劣;結合直升機的結構分析了旋翼的空氣動力特性,論述了直升機旋翼產生拉力的滑流理論和渦流理論,結合渦流理論論述了直升機旋翼流場誘導速度的計算方法,在此基礎上分析了直升機旋翼流場對聲音傳播的影響。Boeing wants to use existing wing and tail control surfaces that shift up and down about 20 degrees in a coordinated fashion to disrupt the vortical flow
波音公司則利用現成的機翼與機尾控制面,讓它們互相協調、上下移動20度,以擾亂渦流。Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis
摘要根據水平軸風力機轉子的渦流氣動模型,從能量的角度入手,考慮干涉因子和翼型阻力,提出了葉片翼型設計的一種新型計算方法。Measurement method of comprehensive properties for automatic eddy current flaw detection system for steel tubes
鋼管自動渦流探傷系統綜合性能測試方法分享友人