擠流速度 的英文怎麼說

中文拼音 [liú]
擠流速度 英文
squish velocity
  • : 動詞1 (人、物緊緊挨在一起; 事情集中在同一時間內) crowd; pack; cram 2 (使勁用身體推開人或物) j...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬動的特點,並對不同凸模行程下溫成形過程中的金屬動特點、坯料連皮厚(底部高)與溫壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,獲得了坯料在不同凸模行程下的等效應變場、場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了分析,優化並獲得了合理的溫成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數進行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果進行比較。
  2. Abstract : the numerical simulation of the rheological warm extrusion molding of the missile shell, a kind of aluminum alloy part, has been carried out, including the simulation of metal flow in the mold cave, velocity field, stress field, strain field, temperature field, and nodal force etc

    文摘:對鋁合金零件彈托在溫條件下的變成形過程進行了數值模擬,其中包括對金屬在模具型腔中的動情況、場、應力場、應變場、溫場、節點力等的數值模擬。
  3. Abstract : in this paper, the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments, and the configuration dimensions of billet and the curves of load - stroke in precision forging process for spur gear from solid billet are simulated on computer by upper bound method. the results acquired in the simulation are in good agreement with those obtained in the experiments

    文摘:本文利用有實驗根據的變形動模式建立動可容場,利用上限法模擬用實心坯料精鍛直齒圓柱齒輪時坯料的外形尺寸變化和力?行程曲線,所得結果與實驗測定值很一致,可供沖精鍛工藝設計參考。
  4. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫場的模擬中,模擬結果表明,保壓時間是影響製件成形質量的關鍵因素之一,、液態金屬澆注溫、預制體預熱溫和模具預熱溫等工藝參數對溫場的影響也很大,需進行參數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固壓成形過程;在變形場的模擬中,根據液態浸滲壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬動的影響及變形力的變化過程和其影響因素。
  5. Abstract : freeway traffic management system can improve road utilization, increase traffic flow, relax traffic congest, decrease traffic accident and protect environment

    文摘:高公路交通管理系統可改善路網運行狀況,提高道路的有效利用率和交通量,緩解道路的交通擁、減少交通事故的發生率、保護環境等。
  6. According to the relationship between characteristics of the traffic flow and traffic congestion, fuzzy logic is adopted to partition the basic parameters ( mean velocity and flow volume ) into several fuzzy subsets, then fuzzy inference system is established to generate loc

    通過分析交通基本參數與交通擁現象之間的關系,本文運用模糊數學的方法對交通參數(交通量和平均)以及擁進行描述,建立了交通擁的模糊推理系統。
  7. That would be beneficial to hong kong s transport system. these applications include driver information systems to provide up - to - date traffic information and route guidance to drivers, automated tracking, dispatch and weigh - in - motion systems to improve the productivity of commercial and public transport fleets, and a combination of traffic signal control, speed control, lane control and ramp control systems to help alleviate congestion

    這些應用項目包括為駕駛者提供最新的交通資訊及路線指引的駕駛資訊系統;可增加商業及公共運輸車隊生產力的系統、功能包括自動追蹤、發送及途中磅重等;以及結合交通燈號控制、管制、行車線控制、斜道車管制等系統,以紓緩塞。
  8. These applications include driver information systems to provide up - to - date traffic information and route guidance to drivers, automated tracking, dispatch and weigh - in - motion systems to improve the productivity of commercial and public transport fleets, and a combination of traffic signal control, speed control, lane control and ramp control systems to help alleviate congestion

    這些應用項目包括為駕駛者提供最新的交通資訊及路線指引的駕駛資訊系統可增加商業及公共運輸車隊生產力的系統功能包括自動追蹤發送及途中磅重等以及結合交通燈號控制管制行車線控制斜道車管制等系統,以紓緩塞。
  9. In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained

    本文採用有限元法模擬了液態浸滲壓復合材料浸滲過程溫場,採用有限差分法模擬了液態金屬滲場,將兩者間接耦合分析計算,得到了浸滲區域的溫變化曲線、浸滲前沿及浸滲隨時間變化等曲線。
  10. We also found that the rheological behavior of single layer gmt is isotropic. temperature and pressure method has great affection on the distribution of the fiber. second, we measure the pressure change under different molding rate and use extensional viscosities model and shear force model to analysis the data

    研究表明: gmt材料具有很好的充模動性,動過程中纖維氈保持一個整體; gmt材料動行為表現為各向同性;溫、壓力制對纖維的均勻分佈影響很大: 2 )通過測量不同合模率下壓力變化,採用拉伸粘模型( extensionalviscositiesmodel )和純剪切動模型( shearforcemodel )對數據進行分析,導出了描述gmt材料宏觀行為的變學參數。
  11. A gear pump is installed on the production line, the pressure is stabilized by varying the speed of extruder through the help of computer according to the accurately measured pre - pump pressure, resulting optimized material feeding process

    出生產線上安裝一臺齒輪泵,通過在泵前準確的測壓,通過微機處理調節出機,保持壓力穩定,有序提供料來優化供料過程。
  12. In a world with an increasing potential for the rapid spread of pathogens ? overcrowded cities , high mobility ? the role of efficient infectious disease task forces can therefore not be overestimated

    當今世界,病毒快傳播的潛在威脅正在不斷加大? ?過的城市,高動性? ?高效防治傳染病特別工作組具有極其重要的作用。
  13. The calculated value of shear force model fit well with the experimental results. it means that compare to the tensile stress during squeeze flow the shear stress can be omitted especially when the molding rat e is low and distortion rate is low

    拉伸粘模型的計算結果與實驗結果吻合得相當好表明:在合模率不大或變形率不是很大的情形下,動過程中剪切力相對于拉伸應力可以忽略。
  14. Based on the reynolds " lubrication approximation, the small parameter method is introduced to approximately analyze velocity field and stress distribution between the two parallel disks with an interstitial second - order fluid. 3. squeeze flow between two parallel plates of a bingham fluid with partial wall slip is considered

    以reynolds潤滑理論為基礎,採用小參數法研究了存在滑移時兩剛性圓盤間二階體的動,導出了體的場和壓力分佈,進而求出圓盤間壓力的解析表達式。
  15. Abstract : focused on the metal plastic forming of valve bodies for power plant boiler, a new process named “ shear extrusion ” is described in this paper. the numerical simulation analysis is carried out by using the 3 - d deform software to predict the distribution of velocity, stress, strain and temperature fields during the forming process and the flow law of metal. then the numerical simulation results are testified by simulative experiment. finally, large - size valve bodies have been successfully formed by the screw press

    文摘:針對電站鍋爐用大型截止閥體的製造新工藝? 「剪切壓」 ,利用數值模擬的方法對剪工藝進行研究,得到了成形過程中、應力、應變及溫場等的分佈及金屬動規律,並通過物理模擬實驗進行了驗證,進而為獲得閥體剪製造的最佳成形工藝參數提供可靠依據。
分享友人