power-law flow 中文意思是什麼

power-law flow 解釋
冪律流動
  • power : n 1 力,力量;能力;體力,精力;(生理)機能;〈常 pl 〉才能。2 勢力,權力,權限;威力;政權;權...
  • law : n 勞〈姓氏〉。n 1 法律,法令;法典。2 法學;訴訟;司法界;律師(界),律師職務。3 (事物或科學的...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. Determination of power - law flow field in annulus line with piv technology

    技術測量冪律流體在環空管道內的流場
  2. The experimental results is shown as followings : ( 1 ) the cyclic flow stress - strain curves in an incremental step test could be expressed as the power law relation : ( 2 ) when the strain amplitude is lower during cyclic deformation tests under constant strain control, softening firstly appears, then gradually hardens with the increasing numbers of cycle ; when the strain amplitude is higher, hardening firstly appears, then gradually softens

    試驗結果表明: ( 1 )循環流變應力與應變的相互關系曲線均符合冪律關系式: ( 2 )在室溫下進行恆應變幅循環變形過程中,當所控制的應變幅較小時,該材料首先出現循環軟化,之後隨循環周次的增加直至循環失效前該材料出現了硬化現象。當應變幅較大時,該材料開始出現硬化,然後隨循環周次的增加才出現軟化。
  3. Numerical simulation of three dimensiona isothermal power - law polymer melt flow within an extrusion die with the quot; l quot; shaped cross section

    型異型材擠出口模內聚合物熔體三維等溫冪律流動的數值模擬
  4. The characteristics of power law fluid governing equation was elaborated and the effect of viscosity and flow exponent on two - phase flow was studied

    摘要闡述了冪律流體控制方程的特點,研究了冪律流體的稠度系數和流動指數的變化對兩相流動的影響。
  5. With increasing flow exponent, the velocity of power law fluid near the pipe center decreased, and the velocity of particle near the pipe center increased but decreased near the pipe wall

    隨著流動指數的增加,冪律流體在圓管中心附近的主流速度減小,同時顆粒相速度在圓管中心附近增大,而在管壁附近減小。
  6. Numerical simulation on power - law fluid flow in helical pipes with circular cross - section

    螺旋管道內冪律流體流動數值模擬
  7. In order to study the stability of non - newtonian fluid and its flow pattern discrimination method, the integral stability theory and local stability theory are applied to the concentric annulus flowing of plastic fluid and power - law fluid, then a relevant stability parameter expression of discriminating flow pattern is derived and set up in the paper

    摘要針對非牛頓流體的穩定性問題及其流態判別的研究,將整體穩定性理論及局部穩定性理論應用於塑性流體和冪律流體在同心環空的流動中,建立和推導出相對應的判別流動狀態的穩定性參數表達式。
  8. The character of pseudothermal temperature equation is expounded ; numerical computation of two phase flow of power law fluid in different kind of pump impeller blade and under the influence of its material parameters ( viscosity and flow exponent ) has been performed

    摘要詳細闡述了顆粒擬溫度方程,計算了不同型線的葉輪及改變冪律流體物性參數對湍流流動的影響。
  9. The thesis analyse the dynamic characteristic of heat - exchange equipment from the regulation channels and interference channels by the way of system simulation, and confirm the law of dynamic response of the second average temperaure when the first flow ( or temperature ) or the second flow change, and finish the design of heat power station ' s energy regulation system hereby it. at last, it simulate heat - exchang equipment and heat power station ' s energy regulation system by using matlab / simulink

    本文用系統辨識的方法分別從調節通道、干擾通道對換熱器動態特性進行了分析,確定了當一次側流量(或溫度)或二次側流量變化時,換熱器二次側供回水平均溫度的動態響應規律,並據此建立了換熱器數學模型組成了熱力站能量控制系統。最後用maflab / simulink對換熱器和熱力站能量控制系統進行了動態模擬。
  10. It was found be compared the two - phase flow of power law fluid - solid with that of liquid - solid that the fluid velocity of power law fluid - solid was bigger than that of liquid - solid and the particle velocity distribution of power law fluid - solid was flatter than that of liquid - solid

    對帶顆粒的冪律流體的兩相流流動與液固兩相流流動做了比較,冪律流體兩相流的流體速度在管道中心附近的大部分區域比液固兩相流的流體速度流動的速度大,而顆粒相的速度分佈比較平坦。
  11. Viscous force of squeeze flow between two spherical particles with power - law fluid

    圓球顆粒間有冪律流體時擠壓流動的法向粘性力
  12. Numerical simulation of three dimensional isothermal power - law polymer melt flow within a rectangular convergent channel

    矩形收斂流道內聚合物熔體三維等溫冪律流動的數值模擬
  13. The combined mathematical model of non - newtonian power - law fluids with low - velocity non - darcy flow in fractal reservoirs

    分形油藏非牛頓冪律流體低速非達西不穩定滲流的組合數學模型
  14. A better desired ventilation form is acquired by comparing the three efficiency values. on the basis of recently materials collected in the field at home and abroad, this paper adopts two - equation turbulence model by analysis and comparison, and sets up mathematical model to study three - dimentional indoor turbulent flow. control - volume method and power - law scheme is used to discrete these differential equations. according to semi - implicit method for pressure - linked equations ( simple algorithm ), author writes a general program in c language for simulation of the velocity profile, temperature and pollution concentration distributions of indoor airflow, and the writing, the debugging and the running of the program. all are completed in microsoft visual c + + 6. 0 environment

    在收集國內外在這一領域內的大量資料的基礎上,通過分析與比較,採用了k -雙方程模型來研究室內氣流的濃度分佈,建立了描寫穩態的三維紊流室內氣流濃度分佈的數學模型,採用控制容積法和冪函數分佈方案來離散微分方程組,按壓力藕合方程的半隱式法( simple )演算法,用c語言編寫了計算室內氣流流場和溫度場、濃度場的通用程序,並在microsoftvisualc + + 6 . 0環境下對程序進行編制、調試與運行,並對調試工作做了探討與分析。
  15. In the financing process, all kinds of things concerned with the project are to be considered by the loaner, which includes : developing trend, economic power, repayment ability, law, insurance and government ' s support etc. but compared with direct financing, item financing has its great advantages in economic profit brought by independent operation ( independent principal, independent capital flow ) and investor ' s stronger power to control the capital flow and limited right of recourse, it will play a more and more important role in china ' s economic construction, especially for its infrastructure

    在融資過程中,所有涉及項目發展的方方面面都要納入融資者的考慮范圍,包括:發展勢頭、經濟實力、還本付息、投資回報、法律、保險、政府支持等。但與直接融資相比,項目融資由於在可獨立運作產生經濟效益(獨立法人,獨立現金流) 、投資者有更大權力控制資金流向和有限追索等方面存在較大優勢,其在中國經濟建設,特別是基礎產業建設中發揮的作用會越來越大。
  16. 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? 「剪切擠壓」 ,利用數值模擬的方法對剪擠工藝進行研究,得到了成形過程中速度、應力、應變及溫度場等的分佈及金屬流動規律,並通過物理模擬實驗進行了驗證,進而為獲得閥體剪擠製造的最佳成形工藝參數提供可靠依據。
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