瞬態工況 的英文怎麼說

中文拼音 [shùntàigōngkuàng]
瞬態工況 英文
instantaneous conditions
  • : Ⅰ名詞(眼珠一動; 一眨眼) wink; twinkling Ⅱ動詞(眨眼) wink
  • : 名詞1. (形狀; 狀態) form; condition; appearance 2. [物理學] (物質結構的狀態或階段) state 3. [語言學] (一種語法范疇) voice
  • : Ⅰ名詞1 (工人和工人階級) worker; workman; the working class 2 (工作; 生產勞動) work; labour 3 ...
  • : Ⅰ名詞1 (情形) condition; situation 2 (姓氏) a surname Ⅱ動詞(比方) compare Ⅲ連詞[書面語] (...
  • 瞬態 : transient; instantaneous condition; transient state
  1. Equations of mesh, shorting contact line, undercutting limit line, meshing limit lines and the existence conditions, angle between the direction of relative speed and the direction of contact line, induced normal curvature about every point on the contact line are established. moreover, the paper also theoretically analyzed the error of the grinded gear surface. on the basis of the theory, the computer program is worked out to automatically produce the contact line and the boundary curves of mesh. analysis of meshing circs under different parameters can be done so that we can gain the best process condition

    首先對漸開面二次包絡理論進行了深入的探討,推導出了兩次嚙合的嚙合方程式、時接觸線方程式、根切界限線方程式、嚙合界限線的方程式及其存在條件,相對運動速度方向與接觸線方向的夾角及接觸線上各點的誘導法曲率;此外,還對磨齒后件的齒面誤差進行了理論分析;並在理論基礎上編制了相應的計算機程序,自動生成接觸線族及嚙合界限線,對不同參數條件下的嚙合情進行分析,可以使藝條件達到最佳狀;最後研究了磨齒裝置,設計了磨齒機的傳動系統。
  2. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負荷的渦帶下混流式水輪機內流場進行非定常cfd計算,得到渦帶下葉片表面不同時刻的水壓力載荷,並利用流固耦合方法對轉輪進行結構場特性計算,分析轉輪葉片的動應力特性。
  3. In this paper, spindle fem computation model taking solid as basic unit is established. based on this model, firstly, static stress is analyzed and the stress distribution of spindle under various static woking condition is attained ; secondly, transient analysis is carried out

    本文建立了以實體單元為基本單元的大軸有限元計算模型,在此模型基礎上首先進行靜應力分析,得到各靜下的應力分佈;隨后進行的沖擊載荷分析。
  4. Reciprocating internal combustion engines - exhaust emission measurement - test cycles and test procedures for field measurement of exhaust gas smoke emissions from compression ignition engines operating under transient conditions

    往復式內燃機.排放測量.壓燃式發動機瞬態工況時排氣煙度現場測量用試驗周期和試驗方法
  5. This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes

    在研究小波動情形時,即系統在穩定點附近小變時,可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型,推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷進行了模擬試驗,整定了最佳調節參數;通過動比較,分析了調節系統參數改變對其動性能的影響。
  6. So the products designed in this way can not meet electromagnetic compatibility requirement and become flaw products 。 to prevent the above occurrence, it is proposed in this paper that emc design should be carefully treated in early product design. the methods such as grounding masking, filtering transient noise reduction are used to guarantee the electromagnetic compatibility

    但很多程技術人員仍沒有加以足夠重視,這樣設計出來的產品將不能滿足電磁兼容性的要求,成為一件有缺陷的產品。為避免上述情的發生,作者在產品設計初期著重加強電磁兼容性設計,採取接地、屏蔽、濾波、干擾抑制等措施,以求實現電磁兼容。
  7. Smoke emission behavior of ca6de1 - 21k diesel engine under transient operating conditions

    柴油機瞬態工況下的煙度排放特性
  8. Effect of combustion parameters on diesel engine smoke opacity under constant speed and increasing torque transient operating condition

    柴油機恆轉速增轉矩瞬態工況的燃燒過程分析及其對煙度的影響
  9. Reciprocating internal combustion engines - exhaust emission measurement - test cycles and test procedures for test - bed measurement of exhaust gas smoke emissions from compression ignition engines operating under transi ent conditions

    往復式內燃機.排放測量.壓燃式發動機瞬態工況排氣煙度試驗臺測量用試驗周期和試驗方法
  10. The improved comprehensive control strategy remedies the deficiency of control strategy for best fuel economy, improves the vehicle dynamic performance at transient conditions without penalty on steady condition fuel economy

    改進后的綜合控制策略彌補了最佳燃油經濟性控制策略的不足,提高了瞬態工況的動力性能,同時保持了穩定狀下系統的燃油經濟性,改善了系統的性能。
  11. In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses

    本論文針對目前國內車身結構分析的研究只限於對車身或車架結構在靜扭轉、彎曲載荷以及幾種極限載荷作用等幾種情的研究,對含有懸架、輪胎以及路面模型的整車響應分析的研究較少的實際情,對有限元方法在汽車結構分析中的應用作了些研究作,尤其是在車身連接件處理、車身動響應、車身疲勞強度分析、車身結構改進方案等方面進行了較深入的探索。
  12. The precision duhamel integration solution for the linearization equation is also given from the theory of linear differential equation. the calculating results show that the new method can improve the calculation precision greatly. in fact, the truncation error is not limited by this method, it can arrive the precision according to the requirement

    本文的主要作有以下幾個方面: ( 1 )由於非線性項的存在,使得多數情下難以得到非線性動力方程的解析解表達式,目前常使用數值積分方法來求解非線性動力學方程的解,但常規計算方法的計算精度不很理想,本文提出了含taylor展開項中高階余項的非線性動力方程的線性化數值計算方法,構造了線性化方程,給出了duhamel積分的表達式。
  13. In chapter 3, it systematically analyzes the bi - dimensioned instantaneous temperature range state of piston, cylinder liner and piston rings when diesel engine type 4135 is considered under the normal friction heat

    第3章系統地分析了4135柴油機在考慮摩擦熱的正常下活塞、缸套和活塞環各部分二維溫度的分佈和狀
  14. Take the fast transient mass transfer of nacl solution within solid porous material for granted, experiments on mass transfer were done in order to explore the macro physical behavior under the condition of suddenly contact of nacl solution and porous material. base on the experimental results, the physical behavior and mechanism of mass transfer of nacl solution within porous material were analyzed and discussed. the results indicate that under the condition of suddenly contact, the mass transfer of nacl solution in porous material has apparent wave propagation mechanism

    以nacl溶液在固體多孔材料中的快速傳質為例,對nacl溶液和固體多孔狀材料突然接觸情下, nacl溶液在固體多孔狀材料中的質量傳遞過程所表現出來的宏觀物理行為進行了實驗研究,根據實驗結果,對液體nacl哈爾濱程大學博士論文一溶液在多孔狀材料中質量傳遞的物理行為和機制進行了分析和討論。
  15. The program fearpv is applied to 3 - d transient sealing analysis of nuclear pressure vessel during the total process, including bolt pretensioning process, heating and compression process, thermostated heating and constant pressure process, and the cooling and decompressing process. according to the analysis and computational results in this thesis, although the actual structure and work conditions of the pressure vessel in nuclear power station are much more complex than that of the pressure vessel model, the program fearpv still can get quite good convergence on the plasticity and

    由本文分析計算可知,雖然電站核壓力容器的結構及計算較壓力容器模擬體復雜得多,然而反應堆壓力容器密封有限元分析程序對塑性迭代和接觸迭代仍具有很好的收斂性,數值穩定性好,得到的結果具有良好的規律性,在升溫、升壓、恆溫、恆壓、降溫和降壓等過程中其規律和壓力容器模擬體基本相似。
  16. Under the direction of elastic - plastic statics theory, transient dynamics theory and structure mechanics theory, the means of numerical analyse is adopted in this thesis to study the security of existing tunnel. the thesis studies the contents as follovvs : ( 1 ) the bias pressure, vvhich is caused by the digging of new tunnel, deflects and deforms the lining of existing tunnel. the effect degree relates to tunnel space, construction method, topography and round rock

    本文用數值分析的手段,對既有隧道的安全性進行了彈塑性靜力分析、動力學分析和結構力學分析,如下: ( 1 ) 、新建隧道的開挖對既有隧道造成偏壓影響,使得既有隧道發生偏轉和變形,從而對隧道襯砌產生不良後果,其影響程度與隧道間距、施方法、地形和圍巖狀有關。
  17. This paper summarizes the development of statcom, studies its principle and analyzes the application of the instantaneous reactive power in statcom. by theoretical analysis, the steady model and the dynamic model for statcom are deduced

    本文論述了statcom的發展概,研究了statcom的作原理,分析了時無功功率在statcom控制系統中的應用,並在此基礎上建立了statcom的穩模型和動模型。
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