measured thrust 中文意思是什麼
measured thrust
解釋
測出的推力-
It is determined now by calculation with mathematical relationship of the flight thrust to the physical quantities which can be measured directly. the optimization of the software development platform is also analyzed inspect of the solid rocket - ramjet developmental program
其次，為滿足固體火箭沖壓發動機試驗技術進一步研究需要，在深入分析labview圖形化編程軟體優化方法的基礎上，改進了現有的固體火箭沖壓發動機試驗測控程序，並應用於發動機試驗中。 -
B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results
在設計並製作了實驗樣機的基礎上所做的研究內容包括； （ 1 ）分別用能量法和麥克斯韋張量法推導電磁力的計算公式，並討論他們的不同應用范圍； （ 2 ）分別用等效磁路法和有限元法作直線力電機的靜特性分析，並比較分析它們的計算結果； （ 3 ）用有限元模擬軟體做直線力電機動態特性的模擬，分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性； （ 4 ）做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗，並將實驗結果與計算結果進行對比，實驗驗證了計算模型及計算方法的正確性。 -
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。 -
Abstract : introduces a method to eliminate influence of power supply and air - feed system on exact measurement of micro - thrust of electric rocket in the gravity field, so micro - thrust can be measured accuratelg and automatically
文摘:介紹了在重力場中，消除電火箭自重及其供電供氣系統對微小推力測量影響的方法，從而實現電火箭微小推力自動準確的測量。 -
Sedimentological and provenance data from tuchengzi formation in nuyingzi - goujiadian basin provide information about the links between erosional unroofing of adjacent thrust sheets and deposition within the basin. through field mapping, measured sections, and sedimentological analysis, we arrived at the following conclusions : 1
通過野外填圖、實測地層剖面及室內分析工作，取得了如下主要成果和認識： 1 、土城子組主要由一套分選性和磨圓度都很差的碳酸鹽質礫巖構成。 -
The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen
對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定 -
In this paper, based on the theory of radial - thrust floating ring hybrid bearing, the dynamic characteristic test for this kind of hybrid bearing is accomplished on the self - made test stand, the dynamic characteristics of the testing bearing are got, and the dynamic characteristic coefficients of the thrust part of the bearing are measured for the first time, the result of the test is compared with the theoretical calculation
本文是在徑向?推力聯合浮環動靜壓軸承理論研究的基礎上，利用自製的實驗臺完成了對該軸承的動特性試驗研究，首次得到了測試軸承的動態特性，並將實驗結果和理論計算進行了對比。
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