穩翼 的英文怎麼說
中文拼音 [wěnyì]
穩翼
英文
bilge keels-
Palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞，棕櫚谷， 1977年，布魯斯?戴爾，光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。Bruce dale, palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞，棕櫚谷， 1977年，布魯斯?戴爾，光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。Secondly, the paper introduces the balanceable condition of airfoil steady fw. its middle part adopts geodesic fw and fw angle is a0. its both ends adopt nongeodesic fw and fw angle is variable
然後，本文介紹了機翼實現穩定fw的平衡條件，機翼中間段採用測地線fw ，纏繞角為定值_ n ；機翼兩端用非測地線fw ，纏繞角為一變量。First, moving with all care, i gradually baled out the coracle with my sea - cap ; then getting my eye once more above the gunwale, i set myself to study how it was she managed to slip so quietly through the rollers
我先是小心翼翼地用水手帽舀出小艇內的水，然後再一次從船邊向上望，看看它何以能夠在海浪中如此平穩地滑行。Discussion of stability of hydrofoil craft in wing navigation
水翼艇翼航時穩性探討Specification of model resistance test for self - stabilized hydrofoil craft
自穩式水翼艇模型阻力試驗規程The method of wing shape optimization of space shutlle has been developed with penalty function approach in which the objective function is the mass of the wing and the constraints are the hypersonic re - entry flight cross range, lift / drag ratio, and subsonic flight lift / drag ratio, the margin of the longitudial static stability and the magnitude of the horizontal landing speed etc
摘要介紹了在滿足高超音速再入橫向機動航程，高超音速再入飛行時的升阻比，亞音速進場飛行時的升阻比，縱向靜穩定性裕度和水平著陸速度等飛行性能設計要求下，用罰函數法尋求使航天飛機機翼質量為最小的外形優化方法並給出了算例。He would come up, close, co - altitude, within about three to five feet, was making gestures, pulled back a little bit, came back up again and made some more gestures, and then the third time his closure rate was too far. instead of under - running, he attempted to kind of turn and pitch up, and that was when his vertical stabilizer - - where it meets the fuselage of the aircraft - - impacted my number one propeller, basically pretty much tearing his aircraft apart
他追上來、靠近、與我們同一高度，距我們約3英尺到5英尺以內，他做了幾個手勢，後退了一點，再次追過來並做出更多的手勢，然後他第3次靠近，這次他離得太近了。他不是在下方飛行，而是試圖做出某種轉身和提拉，此刻他的垂直穩定翼同機身相接的地方撞到了我的1號螺旋槳，他的飛機基本上就斷裂了。Helicopter is hard to hover precisely for its bad stability. ordinarily, it is improved by flight control system, such like rotorcraft unmanned aerial vehicles which use bell bar or bell - hiller stabilizer bar. bell stabilizer bar, fixed across with teetering main rotor, consists of a bar and masses at two ends
貝爾穩定桿由一桿與兩質量塊組成，它與貝爾直升機的蹺蹺板旋翼垂直交叉放置，這種旋翼裝置有助於加大角速度阻尼，改善貝爾直升機的穩定性，但同時也降低了操作性。Apfsds armor piercing fin stabilized discarding sabot
尾翼穩定脫殼穿甲彈For the rod penetrators used for 30mm naval gun, the structures, the ballistic performance, the penetration and their design are studied systematically. in the paper, the reasonable design of sabot and projectile core is presented and the influence of various factors on ballistic performance of rod penetrators is analyzed. additionally, the optimum design techniques in exterior ballistics for the small caliber fin - stabilized and sabot discarded penetrators are developed
本文對海30艦炮適用的桿式脫殼穿甲彈的結構特性、彈道特性、穿甲威力及設計方法進行了系統研究，提出了合理的彈芯結構和彈托方案，研究了各種因素對桿式穿甲彈外彈道性能的影響，建立了一套小口徑尾翼穩定脫殼穿甲彈外彈道優化設計方法，並利用該方法在一定的戰術技術要求下對海30艦炮尾翼穩定脫殼穿甲彈進行了優化設計，得到了優化方案，研究結果對海30艦炮以及同類小口徑火炮桿式穿甲彈的設計有重要的指導意義。But jonathan livingston seagull, unashamed, stretching his wings again in that trembling hard curve … slowing, slowing, and stalling once more … was no ordinary bird
但岳納珊不是平凡的海鷗，他並不感到羞愧，反而重新振翼，再彎成顫抖不穩的弧形? ?放慢速度、再放慢，又失速墜落。The flying stability of the unguided projectile with wrap around fins could be influenced by the self - induced rolling characteristics and the cross coupling effects of the waf badly. it is necessary to study further on this special aerodynamic problems
卷弧翼存在自誘導滾轉特性、較嚴重的交叉耦合效應等特殊氣動問題，對于無控的卷弧尾翼彈而言，這很大程度上影響飛行穩定性。Structural modeling and aeroelastic analysis of high - aspect - ratio composite wings
飛翼飛機穩定性與操縱性研究Mathematical model and formulations of a new tilt - rotor aircraft for aeroelastic stability analysis
新型傾轉旋翼機氣動彈性穩定性分析模型Model experiment and damping identification for aeroelastic stability of helicopter rotor with elastomeric lag damper
帶粘彈減擺器旋翼系統氣彈穩定性試驗與阻尼識別As one of the basic problem of helicopter dynamics, the aeromechanical stability of the coupled rotor - body system has been paid a lot of attention
直升機旋翼/機體耦合系統的氣動機械動穩定性問題是直升機動力學的基本問題之一，長期以來一直受到人們的普遍關注。In order to analyze this model, a modified multi - blade coordinate transformation was proposed. at last, the aeromechanical stability problem was analyzed with the two
最後用上述兩種分析方法對帶葉間減擺器的旋翼/機體耦合系統的氣動機械穩定性問題進行了分析研究。To study the influence of this damper configuration to aeromechanical stability, some work has been done in this thesis. first, dynamic equation of the rotor - hub system was modeled with the generalized hamilton principle, which can be used to analyze the stability problem in different conditions like on - ground, hovering and flight. when fastening the fuselage, the model can also be used to analyze the stability problem of isolated rotor system
為了研究這種新型布置減擺器對直升機穩定性的影響，本文所作研究工作如下:首先，本文利用廣義的hamilton原理建立了適用於不同狀態（地面、懸停和前飛）的旋翼/機體耦合系統的動力學模型，該模型中將機體固定可以用來分析孤立旋翼的穩定性問題。Several icing parameters were imported to calculate the change of drag coefficient and typical derivatives between clean aircraft and iced aircraft, and the aircraft flight envelope change of iced and un - iced situation was computed, and the small disturbance flight dynamics model was modified to study the effect of the ice accretion on the aircraft dynamics by importing the ice parameter to it, and the longitudinal and lateral stability and the elevator, aileron and rudder step response were also studied and simulated
根據這些參數計算了飛機結冰后阻力系數以及典型氣動導數的變化，並計算了結冰前後飛機的飛行包線；同時對結冰前後飛機的縱向、橫側動穩定性以及升降舵、副翼和方向舵階躍操縱響應進行模擬計算。分享友人