超速試驗 的英文怎麼說

中文拼音 [chāoshìyàn]
超速試驗 英文
excess speed test
  • : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 名詞(古代占卜用的器具) astrolabe
  • : 動詞1. (察看; 查考) examine; check; test 2. (產生預期的效果) prove effective; produce the expected result
  • 超速 : 1 (超出速度限制) exceed the speed limit; overspeed; over speed 2 [力學] hypervelocity; 超速保護...
  • 試驗 : trial; experiment; test
  1. Furthermore, it is also verified by chassis dyno tests that lpg motorcycle has better emission performance than gasoline engine, and has better acceleration performance e. g. exceed acceleration than former gasoline engine, and has low noise level characteristics as well as has ability to achieve equivalent level fuel economy performance compared with former gasoline engine

    整車動力性、經濟性和排放性轉鼓臺架對比表明: lpg摩托車整體排放性能優于汽油摩托車;最高車略有下降但加性基本與汽油摩托車相同(越加性優于汽油摩托車) ; lpg摩托車具有良好的低噪聲特性,且整車燃料消耗率及其經濟性與原機基本相當。
  2. Overspeed text methods of tractor clutch

    拖拉機離合器超速試驗方法
  3. Overspeed test for industrial fan impeller

    工業通風機葉輪超速試驗
  4. In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory

    由直流脈寬調系統( pwm )和位置環構成的定位系統中,度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快、無調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業中,取得了滿意的結果
  5. Hypersonic propulsion test facility is important for the scramjet ground tests

    摘要高推進風洞是進行燃沖壓發動機模型地面模擬的重要設備。
  6. Try this super test your speed and wisdom of the game, to experience the brutality of war

    這款級考您的度與智慧的游戲,體一下戰爭的殘酷!
  7. The developing ratio of its long - term fc is up to 25 %. and the ultrasonic velocity was inspected out by way of ultrasonic - concrete technique : the maximum value was 5376m / s ; the minimum was 4386m / s. this explained that hpc in the experiments was very close - grained

    採用聲波混凝土檢測技術測得件28d的最大波值為5376m s ;件最小波也達到了4386m s ,這表明本所獲得的混凝土件的密實程度是相當高的。
  8. Abstract : it is expounded the composition and detection method of the diagnostic system of dynamic failure for locomotive running gear. also discussed are the key technologies as ultrasonic resonance demodulation, identification of locomotive type & speed, message sampling of sensors tracing running mechanism and three dimensional diagnosis, as well as the feasibility test

    文摘:闡述了機車走行部動態故障診斷系統的組成及檢測方法,介紹了聲共振解調、車型車識別、多個傳感器跟蹤運動機械的信息采樣、三維診斷等關鍵技術及其可行性情況。
  9. The tests were conducted in the hypersonic low density wind tunnel at nominal test conditions of mach 16, stagnation temperature 923k, stagnation pressure 1. 40mpa and 7. 30mpa. heat - transfer data were obtained on a hemisphere model, a sharp cone and a big blunt cone respectively by means of infrared thermal mapping techniques, that of a 0. 5mm thickness blunt cone by virtues of thermocouples. furth ermore, heat - transfer on all those models was calculated with the theoretical method

    最後在名義m _ = 16 、 t _ 0 = 923k 、 p _ 0 = 1 . 40mpa及7 . 30mpa的高低密度風洞中,利用紅外熱圖技術獲得了半球圓柱、尖錐、大鈍頭三個模型表面熱流分佈,利用薄壁法技術得到了一壁厚為0 . 5mm的鈍錐模型表面的熱流分佈,並通過工程理論方法計算了模型表面的氣動熱,把理論計算結果與上述結果比較,幾者符合得較好。
  10. Abstract : this paper uses the supersonics wave inspecting method for judging the damage degree of fire hazard tunnel lining, and puts forward the correlation of concrete supersonics wave speed with relative physics and mechanical properties through test, and gives evaluation and suggestion about conventional supersonics wave inspecting method used in fire hazard tunnel

    文摘:將聲波檢測法應用於隧道火災后的初砌損傷評定,通過研究給出了砼聲波與砼有關物理力學性能的關系,並對聲波檢測常規方法在隧道襯砌火損后的應用給出了評價。
  11. The experiments show that ultrasonic motors can operate under vacuum condition, but the performance is different from that under general condition, its unloaded speed decreases significantly, while the stall - torque increases a bit

    結果表明,聲電機可以在真空環境下工作,但性能較常態環境下有所變化,其空載轉明顯下降,堵轉力矩有所增大。
  12. Exploration enhancing strain stress of superplastic deformation using pendant hammer type tensile tester

    採用吊垂式拉伸機探討塑性變形度的提高方式
  13. This paper starts with resolving reliability of steam sets, then illuminates the problem and design principle of oil test device of overspeed protection system, which is made by shanghai turbine company ltd.

    =本文從提高機組可靠性的問題入手,探討了上海汽輪機廠所產保護系統注油裝置存在的問題及改進原理。
  14. So we ca n ' t do oil filler test when the units in operating to test the reliability of overspeed protection system. firstly, this thesis presented the theory of overspeed protection system. and pointed out the reason why the emergency stop system is often fails in stroke

    本文首先分析了該型保護的動作原理,指出該型危急保安器注油拒動的原因;首次利用流體力學的相關理論引入射流的概念,提出了改造方案,同時對該型危急保安器注油裝置改造后飛環提前動作作出了理論分析。
  15. The effect of oil filler test that is improved is correspondence to the overspeed test, so it is no use to do overspeed test repeatedly. it can reduces the deterioration of the rotor ' s longevity, and that, it can reduce the starting time of the units, which can reduce the cost of fuel consumption and steam deterioration. especially to large capacity steam units that use the same style device, it will get large economic effectiveness

    對使用同一原理的裝置而言,這種新的技術思路具有指導性意義,改進后的注油使用起來的效果可以與超速試驗相對應,不需要重復做超速試驗,可以減少對因對轉子的壽命的損耗,並且還縮短了所需要的時間,相應減少機組的啟動耗時,節約燃料成本及汽水損耗,尤其是對使用同類裝置的大容量機組而言,能夠獲得的經濟效益將是巨大的。
  16. The damping supporting of principal axis system in the overspeed tester for turbine expander impeller

    透平膨脹機葉輪超速試驗臺主軸系統的減振支承
  17. After the theorical research and experiment of the damper, it has been practically used in nr15 rotor spin tester

    在完成理論研究和論證之後,在超速試驗臺上做了實際應用。
  18. We still ca n ' t solve the problem about the spin testing for impeller with long shaft as nr15, a new type of rotor. this paper describes a new supporting with a good damping structure

    本文通過在浙江大學化工機械研究所原有30000r min超速試驗臺基礎上,通過設計上、下阻尼支承結構,實現了nr15帶柄轉子的超速試驗
  19. There are very important values of superspeed testing technique for rotating machinery industry. the products are tested by this technique whether the defects on strength were existed or not and also this technique can bring about the strengthening action for products

    轉子超速試驗臺就是用來進行此種的機器。 nr15帶柄轉子由於外形尺寸和製造工藝的特殊性,其超速試驗目前國內還未能很好解決。
  20. Using this kind of bearing, we finish the spin test at 67000rpm. also, we add the controlled passive magnetic damper ( cpmd ) to the rotor tester, which is used to reduce the vibration the main achievements are as follows : 1. we analyzed dynamic characteristic of nr15 rotor with long shaft, and get its critical - speed and response to unbalanced mass

    本課題的研究,我們做了以下工作: 1對nr15帶柄轉子的動力學特性做了分析,得到了不同剛度支承下,轉子各階臨界轉及相應振幅參數;並在原有超速試驗臺基礎上,通過設計上、下彈性阻尼支承結構,實現了nr15帶柄轉子67000rpm的超速試驗
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