thrust test 中文意思是什麼
thrust test
解釋
推動試驗-
On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。 -
Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained
本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。 -
What ’ s more, the precision of thrust vector measurement is also calculated, depending upon the error analysis of nine - component model. a large - scale srm hot test is successfully done on the nine - component thrust vector stand. and the satisfactory results validate that the nine - component model is reasonable and the nine - component thrust vector stand design is feasible
在九分力推力矢量試車臺上成功地進行了一次大型固體火箭發動機地面熱試車，得到了滿意的試驗結果，驗證了九分力模型的合理性和九分力推力矢量試車臺設計的可行性。 -
In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。 -
Thermoplastics piping systems. non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings. test method for leakightness under internal hydrostatic pressure without end thrust
熱塑料管道系統.壓力管和模塑配件的合成橡膠密封環型接合.在無軸向推力時內部流體靜力學壓力下密封性試驗方法 -
Data gathering system of test - bed of thrust bear
推力軸承試驗臺的數據採集系統 -
All above, the test and the theoretical research formed the basis of practical application for the radical - thrust floating ring hybrid bearing
以上軸承的試驗研究及理論推導為徑向?推力聯合浮環動靜壓軸承的進一步研究和工程應用奠定了基礎。 -
Much works has been distributed to the development of a vacuum system to simulate the outer space and a measurement system to test the arcjet performance. ignition experiments in various operational modes have been done with argon as propellant. macroscopical working parameters including thrust, mass flow rate, voltage, current, inlet pressure and vacuity are obtained by the test measurement system and actual performance parameters including specific impulse, thrust efficiency, ratio of thrust and power and ratio of power and mass flow are calculated
以氬氣作為推進劑，在不同工況下進行點火實驗，測量獲得了其工作推力、電弧電壓和電流、推進劑流率和弧室壓力等宏觀參數，得到了不同實驗條件下其工作的實際比沖、推力效率、推力/功率比以及比功率等性能參數，分析了推進劑質量流率、電弧功率、電弧加熱發動機電弧室結構尺寸等因素對其性能的影響，為數值模擬研究和實際的低功率電弧加熱發動機優化設計及研製提供了實驗基礎。 -
A test device was designed which tested the properties of thrust according the theory of electromagnetism scale. using the hall - effect sensor to measure the scale displacement that could be converted the magnitude of the thrust
根據電磁天平的原理設計了一套微推力測試裝置，利用霍耳傳感器來測量推力產生的位移，進而通過計算轉換為推力器的推力大小。 -
Standard test method for wear rate and coefficient of friction of materials in self - lubricated rubbing contact using a thrust washer testing machine
用止推墊圈試驗機測定自潤滑磨擦接觸中材料磨損速率和摩擦系數的標準試驗方法 -
05. 02 wear rate of materials in unlubricated rubbing contact using a thrust washer testing machine, test for
用止推墊圈試驗機測定在非潤滑摩擦接觸中材料的磨損率的試驗 -
Finally, by practical test, experimental data obtained show that the dynamic thrust measuring system is dramatically available and successful. especially, it shows that when the impulse width is 20ms and the duty ratio is 1 : 3, the measured results are stable and reliable. hence, the system designed here can meat the test requirements of the actual applications, and the technology studied in the thesis also give a good foundation to future research work
最後，系統建成以後，通過多次調試試車、考核試車和實際型號試車的考核，試車結果表明，該系統的設計是成功的，動態推力數據穩定、可靠，可滿足發動機以20ms脈寬工作，占空比為1 : 3的情況下，進行發動機的動態推力性能指標測試，滿足實際應用的需求，為進一步進行動態推力測試技術研究奠定了良好的基礎。 -
For researching the flight test techniques of thrust vector controlled aircraft, dynamic models of thrust vector controlled aircraft were established, four post stall maneuver control laws were designed with the dynamic inverse method, tested and investigated according to a standard evaluation maneuver set ( stems )
摘要為研究推力矢量飛機的試飛技術，建立了推力矢量飛機的動力學模型，用動態逆方法設計了4種過失速機動控制律，並在地面飛行模擬器上參考標準評估機動動作集（ stems ）進行了飛行模擬試驗研究。 -
In the test, static - dynamic method is used to measure the stiffness, the eight stiffness coefficients of the radial part and the two stiffness coefficients of the thrust part can be obtained though loading slowly to the testing bearing which is in a equilibrium position
首先，對處于平衡位置的測試軸承分別沿水平方向、鉛垂方向及軸向緩慢施加載荷，根據靜動法原理求得各個轉速下測試軸承徑向部分內、外膜8個剛度系數以及推力部分內、外膜2個剛度系數。 -
Aiming at the design requirements of shield tunnelling machine for simulator test rig, hydraulic systems of shield were designed and manufactured by applying electro - hydraulic proportional control technology, which included thrust hydraulic system, screw conveyor hydraulic system and cutting wheel drive hydraulic system
摘要針對盾構掘進機模擬試驗臺的設計要求，採用電液比例控制技術設計製造了盾構掘進機液壓系統，包括推進液壓系統，螺旋輸送機液壓系統以及刀盤驅動液壓系統。 -
Thermoplastics piping systems - non - end - load - bearing elastomeric sealing ring type joints between pressure pipes and moulded fittings - test method for leaktightness under internal hydrostatic pressure without end thrust
熱塑管道系統.壓力管和模塑管件的無端負荷彈性密封環型連接件.在無軸向推力時內部流體靜壓力下密封性的試驗方法 -
Thermoplastics piping systems - end - load - bearing joints between small diameter pressure pipes and fittings - test method for leaktightness under internal water pressure, including end thrust
熱塑管道系統.小直徑壓力管和配件間端部負荷軸承接頭.在包含端推力的內部水壓下密封性的試驗方法 -
Plastics piping systems - injection - moulded thermoplastics fittings for elastic sealing ring type joints for pressure piping - test method for resistance to a short - term internal pressure without end thrust
塑料管道系統.壓力管道的彈性密封圈式連接件用注模製熱塑塑料性配件.耐無部端推力的快速內壓的試驗方法 -
Test results have shown that with discharge energy of 40 j, our ppt ' s thrust has reached more than 0. 605 mn, and its isp is 1188 s and weight is 4. 2kg, which reaches the level of current ppt used in the world
所研製的脈沖等離子體推力器樣機質量為4 . 2kg ，在放電能量為40j時，推力為0 . 605mn ，比沖為1188s ，達到國際同期空間試驗樣機的水平。 -
Based on widely assimilating the internal and overseas researches, the theory and methods of solid rocket motor ( srm ) thrust vector measurement and the automatic test technology are studied detailedly and comprehensively by means of theoretical analysis, engineering implement and experimental validation. the results attained are as follows
論文在廣泛吸收國內外研究成果的基礎上，藉助理論分析、工程實現和試驗驗證等手段，對火箭發動機地面試驗中的推力矢量測量理論與方法以及自動測試技術進行了系統深入的研究，取得了一系列研究成果。
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