rotor wake 中文意思是什麼
rotor wake
解釋
葉輪尾流-
Many factors were considered in the algorithm such as the helicopter nonlinear flight dynamic model, the time delay of rotor wake, the air compressibility at advancing blade, the stall of retreating blade, the unsteady flapping motion of rotor blades and the aerodynamic interaction among rotor, fuselage, tail rotor and empennage
根據這一方法可以確定為完成直升機機動飛行所需的駕駛員操縱輸入及直升機的飛行速度、角速度和飛行姿態的變化歷程。 -
In chapter 5, a new dynamic wake model is developed by employing the rotor free - wake method in chapter 2, and is used to investigate the curve distortion during the conversion of tiltrotor aircraft between helicopter flight conditions and airplane flight conditions
在第二章方法的基礎上，第五章建立一個傾轉旋翼動態尾跡模型，使用該模型對傾轉旋翼機傾轉過渡狀態的尾跡彎曲變形進行了研究，得出了一些結論。 -
Enhanced unsteady and nonlinear rotor wake model for real - time flight simulation
一種適合飛行模擬應用的非定常非線性旋翼尾跡增強模型 -
Transient analytical method of vane forcing response under stator - rotor wake influence
尾流激振情況下葉片強迫響應瞬態分析方法 -
This paper presents the test approach to the complex wake wind tunnel, including ( 1 ) basic principles of the test ; ( 2 ) design method and parameters of rotor and warship models ; ( 3 ) installation scheme and test conditions of the model ; ( 4 ) some test results and analyses
介紹了復合流場的風洞試驗方法，包括試驗的基本原則、旋翼及艦船模型的設計方法和參數、模型的安裝方案及試驗狀態，並給出了部分試驗結果及其分析。 -
The superposition between the helicopter rotor induced flow and the warship airwake leads to the formation of the complex wake, which affects the helicopter ' s control response and flight safety during take - off and landing from a warship
摘要直升機旋翼誘導流與艦船空氣尾流疊加后形成復合流場，對直升機艦上起降時的操縱響應及飛行安全有很大的影響。 -
Finally, an iterative method coupled between rotor free wake model and lifting wing panel model is given. by the method, the aerodynamic interaction of the rotor on its wing for tilt - rotor aircraft in hover are computed and discussed
最後，建立了一個耦合的旋翼機翼氣動干擾分析方法，計算分析了懸停狀態旋翼流場對機翼的氣動干擾影響。 -
This model is formulated as a non - linear state - space representation of helicopter flight dynamics, incorporating with blade element unsteady aerodynamics, a finite state dynamic inflow wake model, and flapping / lead - lag blade dynamic model. the formulation of the coupled rotor and fuselage equations enables the use of common solution techniques for trim and linearization in arbitrary steady flight condition as well as control response calculations
本項研究針對新機研製過程必須解決的品質評定、飛控系統設計等問題，按照ads - 33軍用品質規范的要求，建立了一個較完整的直升機非線性的、具有狀態空間表達形式的飛行動力學模型，進行了模型驗證工作，並以某樣例直升機為例，計算了ads - 33品質規范（ 3 -
In order to understand the rotor / wing interaction each other, firstly, the change of the isolate rotor thrust with the collective pitch and rotate speed is tested, secondly, the change of the rotor thrust with the collective pitch, rotate speed and the wing / rotor distance is scaled, when the wing is placed underside the rotor, lastly, the pressure on the wing due to the rotor wake is scaled
為了搞清楚它們之間的相互影響，本文首先測量孤立旋翼的拉力隨總距和轉速的變化；再測量有機翼時旋翼的拉力隨總距及轉速的變化以及隨旋翼機翼間的距離變化；最後測量旋翼尾流對機翼表面壓力的影響。 -
The principal contributions of this dissertation are : 1. a high fidelity and real - time rotor wake inflow model was built up. based on peters - he finite states wake theory, a new influence coefficient matrix for high speed flight was derived, the modified wake model is better suitable for the flight state with a large wake skew angle
本模型以peters - he有限狀態尾跡理論為基礎，修正了大尾跡傾斜角時的誘導速度影響系數矩陣，並結合了王氏渦流理論，導出了旋翼誘導速度垂向分量和旋轉分量的表達式，可計算平尾、尾槳和垂尾氣動中心處誘導速度各分量。 -
On the rotor blade pressure surface, the dominant frequencies of unsteady surface pressure are the up - stream blade wake passing frequency and its harmonics, and the amplitudes of pressure fluctuations decrease from leading edge to trailing edge
轉子葉片吸力面非定常壓力受葉片附面層和上游葉片尾跡共同影響，其主導頻率為上游葉片尾跡頻率及其倍頻，但是在吸力面前部氣流加速區壓力波動幅度沿流向增大，而在吸力面後部氣流減速區壓力波動幅度沿流向減小。
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