旋體機 的英文怎麼說
中文拼音 [xuántǐjī]
旋體機
英文
autogiro-
The stability of the tiltrotor in the heli copter mode is analyzed aiming t a semi span soft - inplane tiltrotor model with an elastic wing
集成了非定常動態人流方程與傾轉過渡狀態的多體動力學力程,建立了傾轉旋翼機時域非定常氣彈耦合分析模型。The pilot held a current airline transport pilot s licence ( helicopters and gyroplanes ) and a valid class one medical certificate. he had 3, 900 hours of operating experience
肇事直升機的飛行員具備有效的航空運輸飛行員執照(直升機和自轉旋翼機)和一級體檢合格證明書,並擁有3 , 900小時的飛行經驗。The multi - body analysis of the aeroelastic stability of the tiltrotor aircraft is presented
摘要通過多體動力學方法建立了傾轉旋翼機動力學分析模型。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。Our main products have j53, j54, j93, j67, j69 series double - disc friction screw press, brick press, series j55 clutch type screw press, mp high speed forging press, as well as the product repair and the spare parts manufacture, and carry on the user special request of the press, the brick press non - standard design and the manufacture. the company strengthens to the new product technology development, fetch in the world most advanced company technology to transform the 630 tons above specifications heavy press. j53 - 1000c, j53 - 1600c, j53 - 2500c, j53 - 4000c, j53 - 6300c series press and j54 - 1000c, j54 - 1600c, j54 - 2500c series fine press, j93 - 1000c, j93 - 1600c brick press rapidly seizes the market by its reliable performance
公司加強對新產品技術開發力度,引進世界最先進的雙盤磨擦螺旋壓力機製造企業德國哈森公司技術,對630噸以上規格的重型壓力機進行改造設計,設計與製造的630型至6300型分段機身四拉桿予應力結構的壓力機壓磚機,成為原整體機架壓力機的更新換代產品,其中j53 - 1000c型, j53 - 1600c型j53 - 2500型, j53 - 4000型, j53 - 6300型壓力機, j54 - 1000c型, j54 - 1600c型, j54 - 2500c型精壓機, j93 - 1000c型, j93 - 1600c壓磚機以其可靠的性能迅速占領市場。Optimized design model for general parameters of a rotary tiller
旋耕機總體參數的優化設計模型Within this analytical model, the factors as unsteady aerodynamic and blade flap / lead - lag coupled motion are both considered
旋翼機體耦合動力學模型考慮了非定常空氣動力和槳葉揮舞擺振運動耦合。Study of feasibility of kives of - rotary tliiers mde by banite steels
使用貝氏體鋼製作旋耕機刀片的可行性研究Analysis of dynamic performance of spiral seals for liquid
螺旋槽式液體機械密封的動力學性能分析In addition, instead of portal brake of j93 - 1000b model, the brake device of j93 - 1000c changes into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noises during the working of press. with cast steel as the material of slide, slide weight of j93 - 1000c model is increased 1 thousand kgs than j93 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j93 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former
J93 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j93 - 1000b型門剎車改為j93 - 1000c推板式剎車,制動可靠性大大提高,而且便於調整,平臺設計剛度增強降低了壓力機工作中的振動噪聲j93 - 1000c型滑塊支背材質鑄鋼j93 - 1000b型的為球墨鑄鐵而且j93 - 1000c型滑塊重量比j93 - 1000b型增加1000公斤, j93 - 1000c型機架立柱前後寬1000毫米比j93 - 1000b型機架立柱前後寬750毫米增加250毫米, j93 - 1000c機身重46 . 8噸, j93 - 1000b整體機身重38 . 5噸。In addition, instead of portal brake of j53 - 1000b model, the brake device of j53 - 1000c altered into rushing board brake, thus the dependability of braking is consumedly advanced, being convenient to adjust, and the rigidity strengthening of plate design reduces the vibration noise during the working of press. with cast steel as material of slide, slide weight of j53 - 1000c model is increased 1 thousand kgs than j53 - 1000b model with nodular cast iron as material. plus that the width from front and back of frame upright post of j53 - 1000b model is 750mm, while its 1000mm for j53 - 1000c model, increasing 250mm than the former
J53 - 1000c螺桿螺母螺旋副使用壽命及螺桿的剛度也增加剎車裝置由原j53 - 1000b型門剎車改為j53 - 1000c推板式剎車,制動可靠性大大提高,而且便於調整,平臺設計剛度增強降低了壓力機工作中的振動噪聲j53 - 1000c型滑塊支背材質鑄鋼j53 - 1000b型的為球墨鑄鐵而且j53 - 1000c型滑塊重量比j53 - 1000b型增加1000公斤, j53 - 1000c型機架立柱前後寬1000毫米比j53 - 1000b型機架立柱前後寬750毫米增加250毫米, j53 - 1000c機身重46 . 8噸, j53 - 1000b整體機身重38 . 5噸。Based on the " research on the new method for rotating machine faults diagnosis based on independent component analysis " ( national nature science fund project, no : 50205025 ) and " study on the new method of corba - based distributed calculation tactics construction in remote condition monitoring and diagnosis " ( zhejiang province nature science fund project, no : 501061 ), this paper aimed to the rotating machinery faults diagnosis oriented time - frequency analysis. the emd - based basic theories and methods were studied ; to weaken the emd method ' s end effect, some new data extention means were proposed ; to improve the emd method ' s precision and efficiency, some new algorithms were proposed ; the emd based time - frequency analysis software was designed and developed ; a experiment system at the base of rotor test bed was built to study the ro tor faults diagnosis using the new time - frequency analysis method, then studed several typical faults
本文結合「基於獨立分量分析的旋轉機械故障診斷新方法的研究」國家自然科學基金項目( 50205025 )和「基於corba分佈計算策略構建遠程監診的新方法研究」省自然科學基金項目( 501061 ) ,以面向大型旋轉機械故障診斷的時頻分析為目標,研究了該方法的基本原理和演算法:針對其端點效應等不足,提出了新的數據延拓技術;針對emd演算法的精度和速度上的不足,提出了新的改進演算法;設計和開發了基於emd時頻分析的軟體系統;以模擬轉子實驗臺為基礎構建了實驗系統,並進行了實驗研究。It has a domestically top production line for tankers, which is composed of special equipment and facilities such as automatic welding machine for particular barrel seams, six - meter three - roller plate roll, multifunctional head spinning machine and a large sand - blasting workhouse for barrels
擁有國內一流的罐式車生產流水線,包括異形筒體自動焊機、 6米三輥卷板機、多功能旋邊機、大型筒體噴沙房等專用設備和設施。Numerical simulations demonstrate that the multi body analytical model can analyze the aeroelastic stability of the tiltrotor aircraft in the helicopter mode
數值計算表明:建立的多體動力學模型能夠快速分析直升機模式下傾轉旋翼機復雜的旋翼機翼氣彈耦合動力學特性。This paper mostly is consisted of three parts, which is vibration of rotating machinery and vibration failure analyzes, the collectivity design project and the realization of software
本論文主要分三部分:旋轉機械振動機理及振動故障分析、燒結廠高溫風機在線監測系統的總體設計方案和網路通訊模塊及上位機系統的實現。Aimed at origin and propagation of mechanical sources, mixing models of mechanical sources were analyzed altogether, and their corresponding mathematic models were presented
從分析旋轉機械源的起源及傳播過程出發,整體論述了其混合模式,給出了相應的數學模型。An experimental investigation of the sealing characteristics of a zero pressure, zero leakage lubricated spiral groove mechanical seal
液體潤滑螺旋槽機械密封性能的實驗研究In order to make the full use of the facility to maintain the machine rotating system, the alternative excitation setting, which remains by altering the excitation setting, is changed into subsidiary generator running on the same shaft. and it can enhance the work capacity of the whole unit
為了充分利用設備,保持原機組的機械旋轉系統狀態,現將勵磁系統改造后空余出的交流勵磁機改為同軸運轉的副發電機,增加整體機組的工作容量。分享友人