viscosity flow 中文意思是什麼

viscosity flow 解釋
粘流
  • viscosity : n. 黏性;黏(滯)度;【物理學】黏滯性。
  • 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. Sticking sluggish blood disease high is the pathology that is main show with haemal viscosity heighten is asked for integratedly, blood stream obstruction is increased, flow is decelerated, affect to small artery and blood capillary and small loop especially apparent, cause quantity of constituent blood perfusion to decrease, generation is short of blood anoxic symptom

    高粘滯血癥是以血液粘度增高為主要表現的病理綜合征,血流阻力加大,流動減慢,尤其對小動脈和毛細血管及微循環影響明顯,致使組織血液灌注量減少,產生缺血缺氧的癥狀。
  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

    摘要以推力矢量發動機的燃氣舵為研究對象,採用三維、粘性、湍流流動模型和數值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值分析。
  3. Viscometry ; determination of kinematic viscosity using the ubbelohde viscometer ; viscosity relative increment at short flow times

    粘度測定法.用ubberlohde粘度計測量動粘滯度.在短流
  4. Increasing ultrasound intensity in the range of cavitation threshold and cavitation peak value, decreasing monomer concentration and increasing the temperature make the induction period shorter. under optimized reaction conditions, the conversion of ba can reach 90 % in 11 min at high n2 flow rate the viscosity average molecular weight of the obtained pba reaches 5. 24 106. the molecular weight of pba varies with ultrasonic irradiation time, indicating that the ultrasonic induced emulsion polymerization is dynamic and quite complicated, polymerization of monomer as well as degradation of polymer occurs concomitantly

    一、實現了無常規化學引發劑存在下的超聲輻照引發丙烯酸正丁酯( ba )間歇乳液聚合,制備了pba納米粒子,在11min內轉化率達到90 ,分子量達5 . 24 10 ~ 6 ,隨反應時間的延長而降低,表明超聲輻照引發乳液聚合是一個動態的復雜過程,單體的聚合和聚合物的降解同時發生。
  5. The results show that the dynamic elastic modulus, loss modulus and complex viscosity of the nanocomposite are higher than those of pp, while the loss factor is lower, that the complex viscosity of the nanocomposites is more sensitive to temperature, and that the flow activation energy and the crystallization temperature increase respectively by 15 % and 10k as compared with pp, which may contribute to the enhanced interfacial interaction between pp and ommt resulting from the addition of tmpp

    結果表明:與純聚丙烯相比,納米復合材料具有較高的動態彈性模量、損耗模量和復合粘度,力學損耗因子則降低,納米復合材料的復合粘度對溫度的敏感性略高於聚丙烯;界面改性劑的加入增強了有機蒙脫土與聚丙烯的界面作用,與聚丙烯相比,納米復合材料的流動活化能提高約15 % ,結晶峰溫度提高10k左右。
  6. 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的軸向水推力與模型試驗值大小相當;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推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  7. You are correct about the - 40c miscibility problems. the oil has to have a low pour point in order to flow and still have sufficient viscosity for the compressor lubrication

    你談到油在40度的溶解性的問題是正確的。油不得不具有有一個很低的流動點(流(動)點:油或其他液體在規定條件下流動的最低溫度) ,還需要有足夠的粘度作為壓縮機的潤滑作用。
  8. Solutions of lattice - boltzmann method and viscosity flow

    方法與粘滯流模擬解
  9. In exploiting heavy oil, water blending is one of the most important methods to lower viscosity of heavy oil and increase its flow property for enhancing oil recovery

    摘要在稠油開采過程中,摻水法是降低稠油粘度、增加其流動性達到提高開采效率的重要措施之一。
  10. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。
  11. The theoretical study of the recovery percent vs. water cut of thin and bottom water reservoir in luliang oilfield is based on developing its geologic and flow models, obtaining oil - thickness ratio, oil - water viscosity ratio, relative permeability curve parameter and chart of effect of bottom water toning, etc., on water - yielding pattern of the reservoir

    摘要在建立了陸梁薄層底水藏地質及滲流模型基礎上,採用理論研究的方法,研究了薄層底水油藏采出程度與含水率關系式,並獲得了油厚比、油水粘度比、相滲曲線特徵參數以及底水錐進等對油藏產水規律的影響關系圖版。
  12. Abstract : in light of thicker grain and smaller viscosity of debris flow, a segmented simulation of the debris flow with flume is presented. for the first time. more difficult resistance similarity is brought about by geometric rate without excessive coarsing and discontinuous similarity of sand grain composition in model is eliminated with different grain scale. on this basis the density similarity and sand conveying similarity are achived. the method presented is verified through a model test case

    文摘:針對水石流顆粒粗,粘性小的特點,提出了利用水槽進行分段模擬水石流的設想,首次通過幾何變率解決難度較大的阻力相似問題,改變了以往過度加糙的方式;通過變粒徑比尺的方法消除了模型沙級配不連續相似的問題,較好地實現了固體物質級配相似,達到了泥石流的密度相似和輸沙相似.通過水槽概化模型試驗實例,對本方法進行了驗證
  13. The derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given

    在變粘度、柱塞偏心以及變密封長度條件下,對軸向柱塞泵中柱塞與缸孔之間的特殊圓環縫隙的泄漏流量公式進行推導,得到了該計算公式的修正系數; 6
  14. Through analyzing the effect of temperature and nitrogen on crude oil viscosity the influences of different nitrogen injection volume and injection modes on steam displacement are contrasted, the mechanism of nitrogen - assisted steam stimulation is clarified, which includes : heat carrying capacity is raised, the saturation of remaining oil is reduced after nitrogen - assisted injection is made ; crude oil flow is enhanced because of nitrogen compression and dispersion and the change of oil flow shape ; water back - production rate is improved by expanding the steam sweep volume and compensating in - situ energy ; steam distillation effect is enhanced

    通過分析溫度、氮氣對原油粘度的影響,對比不同注氮量、不同注入方式等對蒸汽驅油效果的影響,弄清了氮氣輔助蒸汽增產的機理主要表現在:氮氣輔助后增加攜熱能力,降低殘余油飽和度,氮氣的壓縮膨脹作用分散和改變了原油流動形態,增強了原油流動性;擴大蒸汽的波及體積,補充地層能量,提高回採水率,強化蒸汽蒸餾效應。
  15. The factors affecting flow profile were reviewed and commented, including the technique of packing column, the design of column head, the shape of columns, temperature and sample viscosity

    綜述了影響制備色譜流型的各種因素,包括裝柱技術、柱頭設計、柱形、溫度、樣品粘度等。
  16. 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。
  17. The conclusion is that sheering and radial stress are dominant in viscosity shearing force, and that reynolds stress is larger than viscosity stress in turbulent flow, and the multiple is the reynolds number

    由分析可知在粘性應力中,切向和徑向剪切應力佔主導地位;而在湍流條件下,雷諾應力是粘性應力的若干倍數,此倍數在量級上即為雷諾數。
  18. The common reasons for microcirculation dysfunction include spasm of capillary, small vessel vasculitis, slow flow of the blood, and abnormity of red blood cells, white blood cells, blood fat and blood viscosity

    微循環功能障礙常見的原因有毛細血管痙攣、小血管栓、血流速度緩慢以及紅血球、白血球、血脂、血粘度異常等。
  19. Viscosity is the ability of anti - position change in liquid. it is one of measurement of inner flow resistance

    粘度是指在流體中流體抗其不可逆位置變化的能力,是對流體內部流動阻力的一種度量。
  20. To have studied structures of oil - water two phases system - flow patterns according to different fluid conditions. for distinguished difference of viscosity between oil and water, their fluid structure featured different flowing characters

    3 、深入研究了油、水兩相流動因所處的流動條件不一而具有多種流動結構,即流型。
分享友人