推力值 的英文怎麼說

中文拼音 [tuīzhí]
推力值 英文
thrust magnitude
  • : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. Deere k a. computational investigation of the aerodynamic effects on fluidic thrust vectoring. aiaa 2000 - 3598

    喬渭陽,蔡元虎.基於次流噴射控制矢量噴管的實驗及數研究.航空動學報, 2001 , 16 ( 3 )
  2. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以矢量發動機的燃氣舵為研究對象,採用三維、粘性、湍流流動模型和數分析的接觸網格技術,在定常流動計算的基礎上,對包含舵基、舵片和發動機殼體的區域進行詳細數分析。
  3. Does the ability to map the unknown deserve less credit from society than the ability to retrace the known ?

    預測未知的能,難道不如追究已知的能得社會重嗎?
  4. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受和變形特點,採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分,並對接觸單元採用柔體-柔體的處理方法,將溫度場作為體載荷處理,建立了符合實際的加熱彎管問題數模擬學模型:在此基礎上,應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究,獲得了成形時、彎矩、支撐大小及其變化趨勢。
  5. According to the problem that sampling position has certain influence on precision of the gm ( 1, 1 ) model, in this paper, we try to find out the best sampling position to solve maximum value of stress or strain when using electro motive strain and extr apolating method of gm ( 1, 1 ) model, so as to offer a theoretical foundation for applying electro motive strain more reasonably

    針對采樣位置對模型精度有一定的影響這一問題,本文通過三個具體例子來研究采樣位置對模型精度的影響,探求用應變電測法和gm ( 1 , 1 )模型外法求最大應時最佳的采樣位置,從而為更合理的運用應變電測外法提供一個理論依據。
  6. 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、室燃燒性能和轉工況性能研究,得到了大量重要結果。
  7. 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的軸向水與模型試驗大小相當;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軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  8. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數計算,並在此基礎上,運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析,得到電機運行過程中的電磁、法向、初級電流、氣隙磁密等曲線,通過改變直線電機參數,分析了電機氣隙對其瞬態性能的影響。
  9. The estimation of the gravity value in qomolangma peak

    略論珠穆朗瑪峰重
  10. In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed

    在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數模擬,建立了mpt的小測量系統,協同進行了mpt真空環境實驗研究。
  11. Gas supply systems - pipelines for maximum operating pressure up to and including 16 bar - general functional recommendations

    燃氣供應系統.最大工作壓達到和超過16巴的管線.通用功能
  12. Gas supply systems - pipelines for maximum operating pressure up to and including 16 bar - specific functional recommendations for steel

    燃氣供應系統.最大工作壓達到和超過16巴的管線.鋼特定功能
  13. Gas supply systems - pipelines for maximum operating pressure up to and including 16 bar - specific functional recommendations for renovation

    燃氣供應系統.最大工作壓達到和超過16巴的管線.修復的特定功能
  14. This paper try to mix the finite strip method and hybrid stress element, and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop. for ) with fortran - 77 language, and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing, prove that the mixed hybrid finite strip method have better degree of accuracy, moderating the stiffness of plate, coming more close to actual conditions, avoiding over - hard or over - soft ; finally, this paper analyze the stability of a orthotropic plate by this method, and deduce the - value of critical stress

    論文將有限條法和應雜交元法兩者結合起來,導出一種兼有兩者優點的數計算方法? ?混合雜交有限條法。運用這種方法對正交異性板的強度和穩定進行了分析,導出正交異性板在這種方法下的分析計算公式,用fortran - 77語言編寫正交異性板混合雜交有限條法程序( hfsop . for )在微機fortran90環境下運行。通過算例與傳統的方法比較,驗證混合雜交有限條法有更好的精度,使板的剛度適中,更接近實際情況,避免「過硬」或「過軟」 ;最後,論文還用此方法對一正交異性板進行了穩定分析,得出臨界應
  15. ( 6 ) conclusion was obtained by the analyzing the mechanics environment and the stability of the lanslide on the right bank after the dam built : the value of the rock mass stress increased and the tensile stress region obviously reduced, the direction of the principal stress was unchangeable the dam and the landslide were stable under the dangerous condition ( the reservoir and at the same time the earthquake was viii ), but when the water lever suddenly fell and did not think of other force, safe factor evidently reduced, the dam and the landslide will be destroyed under the most dangerous condition ( the water lever suddenly fell and at the same time the earthquake was vi ) ; the stability of the landslide will be destroyed by the horizontal thrust under the most dangerous condition or ; the physical and mechanical parameter will be reduced due to long period filter, the landslide will be destroyed too

    ( 6 )建壩工程荷載條件下河谷巖體學環境分析及右岸古滑坡體的穩定問題分析得出:建壩后河谷的巖體應明顯增高,同時左岸的張應區的范圍及量明顯減小,主應的方向依然與模型的底邊界垂直;大壩建成后逐漸蓄水階段以及同時考慮本區最強地震的作用等各種不同的工況條件時,滑坡體及壩體總體上仍處于穩定狀態;水位驟降時,在未考慮其他外作用的情況時,滑體的安全系數將顯著降低。若考慮水位驟降及本區最大地震的共同作用,壩體將在滑坡體下滑的作用下產生破壞;建壩后水平對右岸古滑坡體穩定性的影響分析可以看出,在最危險的工況條件下,壩體及滑坡體也將處于臨界狀態;在長期滲透變形的作用下,由於滑帶的物理學參數的降低而有可能導致壩體失穩破壞。
  16. In this paper, the flow mechanism and the applications of the synthetic jet are studied in theory, numerical simulation and experiment, and this paper prepares for synthetic jet technology used in thrust vector

    本文採用理論分析、數模擬與試驗相結合的方法對合成射流流動機理及應用技術進行原理性研究,為合成射流技術應用於方向控制奠定基礎。
  17. Calculating method of landslides drive force, and determination of the diameters of borehole and anchor cable, the number of the anchor cables, the anchorage length and types of the anchor head as well are also discussed

    本文還探討了作用在抗滑樁上的滑坡設計的計算方法,以及錨索材料的選定、錨固深度計算、錨頭類型選擇、錨索與樁的連接設計、施工工藝與質量控制措施、檢測與監測等等。
  18. 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

    以氬氣作為進劑,在不同工況下進行點火實驗,測量獲得了其工作、電弧電壓和電流、進劑流率和弧室壓等宏觀參數,得到了不同實驗條件下其工作的實際比沖、效率、/功率比以及比功率等性能參數,分析了進劑質量流率、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。
  19. Using method of sumt and powell, the thesis carries out optimization design for air rocket with double - push accelerated velocity and spin - rate regularity, which dramatically decreases air rocket dispersion. in the end, some valuable conclusions are achieved for application

    綜合利用雙加速度,轉速規律,同時採用內點罰函數法和powell共軛方向法,對航空火箭彈的主要參數進行優化設計,實現了大幅度減小航空火箭彈散布的目的,得到了一些有應用價的結論。
  20. Calculating result showed : the thrust changing caused by the magnitude of at / ac was more larger than that both of the pressure index : " n " and of the chamber diameter, and the best thrust could be get when at / ac < 0. 3

    由數計算可知, at ac的大小變化所引起的變化比壓指數n和藥室直徑的變化引起的變化大得多,而且當at ac 0 . 3時,可以得到最佳的效果。
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