x
uploads/rotorcraft.jpg

rotorcraft 【航空】旋翼飛機 (=rotary-wing aircr...

rotorturner

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,這種旋翼裝置有助于加大角速度阻尼,改善貝爾直升機的穩定性,但同時也降低了操作性。

With additional capabilities in rotorcraft , electronic and defense systems , missiles , rocket engines , satellites , launch vehicles and advanced information and communication systems , the company ' s reach extends to customers in 145 countries 加上旋翼飛機、電子和防御系統、導彈、火箭發動機、衛星、運載火箭和先進信息及通訊系統等方面的研制能力,本公司的客戶已經遍及145個國家。

Joe english , an xml expert working for advanced rotorcraft technology , inc . , famously explained these problems using mental health metaphors which i copy below see Joe english是一位在advanced rotorcraft technology , inc .工作的xml專家,他以使用精神健康的比喻來解釋這些問題而知名,我把他的比喻復制在下面(原文請參閱

Ahs members cover the entire spectrum of the international rotorcraft industry including representatives from government , military , civil operators , engineers , management , and academia Ahs國際組織的成員遍及整個國際旋槳飛機工業圈,包括來自政府部門、軍方、民航營運者、工程師、管理方面和學術界的代表。

Research on the aerodynamic interaction between the rotors and components of rotorcraft have been a very important aspect and a very challenging subject in rotorcraft aerodynamics 旋翼干擾空氣動力學問題一直是旋翼飛行器空氣動力學的研究熱點和難點之一。

This paper is a review of rotorcraft cfd in light of major unsolved problems , and some prospects and solution philosophy for solving them 本報告是依據未解決的重大問題、解決這些問題的若干前景和指導思想對旋翼機計算空氣動力學( cfd )所作的評述。

Besides , a flying quality evaluation code of the military rotorcraft is developed , and the quality levels in hover / low speed flightwere calculated according ads - 33d ( 3 . 3 ) 3 )節中懸停和小速度狀態的各項指標,得到了開環狀態的品質參數。

The research on the rotor blade - vortex interaction ( bvi ) noise is a very important aspect and a very challenging subject in the rotorcraft aeroacoustics field 旋翼槳-渦干擾噪聲問題是直升機氣動聲學領域的一個研究熱點和難點。

In 1945 c . j . ghu turned his attention to rotorcraft and designed a co - axial helicopter , known as the humming bird model a 1945年,朱家仁先生制造了一架共軸雙旋翼直升機,即蜂鳥一號。

Handling loads suspended from rotorcraft 裝卸旋翼機上懸吊的貨物