螺旋槳葉 的英文怎麼說
中文拼音 [luóxuánjiǎngyè]
螺旋槳葉
英文
propeller blade; airscrew blade; blade of propeller螺旋槳葉面積 propeller-blade area- 螺 : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
- 旋 : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
- 槳 : 名詞1. (劃船用具) oar; paddle 2. (螺旋槳) propeller
- 螺旋 : 1 (具有螺紋的圓柱體 屬于斜面類的簡單機械) corkscrewspin; screw; spiral; helix 2 (螺旋現象;尾旋...
- 槳葉 : awe; paddle
-
Airscrew blade area
螺旋槳葉面積Three bladed propeller
三葉螺旋槳A board on a paddle wheel
明輪翼螺旋槳上的寬闊葉板The two astazou turboprops are mounted in slender nacelles in the leading edges of the wings and drive three - blade propellers
兩臺發動機安裝在機翼上小巧的發動機艙內,各驅動一個三葉螺旋槳。A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion
翼剖面;機翼;翼面一個部件或平面,如機翼、螺旋槳葉、方向舵等,其形狀或方位控制穩定性、方向、抬升、沖擊或驅動Calculation of manufacturing values of the curve surface of blades of the propeller
螺旋槳槳葉葉面加工過程中加工量的計算Design method for controllable pitch propellers by employing methodical series test diagrams
可調螺距螺旋槳槳葉圖譜設計計算方法The surface of propeller, hub and the vortex of blade is discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution
槳葉、槳轂表面和螺旋槳尾渦面採用四邊形雙曲面元離散,以消除面元間的間隙。For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed
本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進,在原來使用無邊界螺旋槳進行等效的基礎上,使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效,並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素,以及給出了動態計算軸向水推力的公式,通過計算表明,使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。Under the condition of knowing the mass, stiffness, damping and the real vibration response of stem, the propeller pressure impulses of blade frequency are deduced, these belong to structure dynamics problem that is loading identification problem
摘要在已知船舶的質量、剛度、阻尼以及實測尾端振動速度的條件下,反推出螺旋槳葉頻激振力。Comparisons also made among the calculated data of above two methods for the pressure distribution on blade section of the hd propeller and mau propeller, the results shown that the pressure distribution of the hd propeller is much uniform than the those of mau propeller
兩種理論預報的滬東型( hd )螺旋槳和mau圖譜槳的葉切面壓力分佈比較,結果表明,滬東型( hd )螺旋槳葉切面的壓力分佈較mau圖譜槳均勻。To improve the efficiency of solution, the solution method to determine the cavitation range of blade is carried out for each chordwise string, the interaction between strings is included by spanwise iterative procedure
為了提高求解效率,本文在確定螺旋槳槳葉上空泡范圍時採用的求解方法是針對每一個弦向「條帶」進行的, 「條帶」之間的相互影響通過沿槳葉展向的迭代考慮。This paper presents a design method of propeller blade section operating in non - uniform flow field and an idea of equivalent operating curve with unchanged cavitations characteristic on blade section, the method for selecting the curve is set up
摘要給出了非均勻流場中螺旋槳槳葉剖面的設計方法,提出了保持剖面空泡特徵不變的等效運轉曲線的思想,並創建了等效運轉曲線的確定方法。Numerical optimization of circulation distribution on marine propellers
船舶螺旋槳葉片環量的數值優化Hd propellers are a type of marine propellers having new blade sections, moderate skew and a small area - ratio, with the virtues of higher efficiency, lower vibration and noise and lighter weight
滬東型( hd )螺旋槳是一種新型的葉剖面、中等側斜、小盤面比的螺旋槳。它具有效率高、振動和噪音低、重量輕等優良性能。In the present work, there are two methods to design the shrouded - propeller. one is based on the blade element and momentum theory, the other is based on the ufbng - line ( surface ) theory derived from circumfluence theory
在實際工作中,函道螺旋槳的設計有兩種方法,一種是基於葉素理論與動量定理的工程方法;另一種是基於升力線(面)方法的環流理論方法。When the propeller operates in the spatially non - uniform velocity field behind the ship, the unsteady cavitation on the blades often causes the vibration of ship structure, the propeller noise and the cavitation erosion on the blade
在船尾非均勻流場中工作的螺旋槳,常常由於槳葉上產生了非定常空泡,導致船尾振動和螺旋槳噪聲,致使槳葉表面出現空泡剝蝕。The low - frequency discrete noise of the propeller is induced by the interaction between blades of the propeller and wake of the marine, and the low - frequency broadband noise of the propeller is produced by the interaction of blades and turbulent field of the marine stern
螺旋槳的低頻離散譜噪聲是由船尾伴流場和葉片的相互作用引起的,而低頻寬帶噪聲是由船尾粘性湍流場和葉片的相互作用產生的。Prediction of noise induced by interaction between turbulent flow and propeller blades
船舶螺旋槳葉片與艉部湍流場互作用噪聲的預報研究Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program
目前,螺旋槳誘導的船體表面脈動壓力的理論預報方法,大多是以無限流場中點脈動源誘導的周圍流場的脈動壓力的計算方法為基礎的,本文採用該方法編制了計算程序,可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈動壓力。分享友人