掺气水流的英文

• aerated flow

• "掺"英文翻译    hold
• "气"英文翻译    gas
• "水流"英文翻译    rivers; streams; waters curr ...
• "不掺气水流" 英文翻译 :    non-aerated flow
• "自动掺气水流" 英文翻译 :    self-aerated flow
• "掺气水" 英文翻译 :    aerated water
• "掺气水泥" 英文翻译 :    air-entraining cement
• "掺气水舌" 英文翻译 :    aerated nappe; areated nappe
• "掺气水深" 英文翻译 :    entrained air depth
• "预掺气水跃" 英文翻译 :    pre-entrained jump
• "不渗气水流" 英文翻译 :    non-aerated flow
• "水流自动掺气试验" 英文翻译 :    experiment on self-aerated flow
• "掺气" 英文翻译 :    aerate; aeration; aerification; aerify; air entrainment
• "气水" 英文翻译 :    air water; air hydraulic
• "掺气泵" 英文翻译 :    air ballast pump
• "掺气槽" 英文翻译 :    aeration slot
• "掺气层" 英文翻译 :    aerationzone
• "掺气度" 英文翻译 :    aeration degree
• "掺气坎" 英文翻译 :    aerator
• "掺气流" 英文翻译 :    aerated flow
• "掺气率" 英文翻译 :    air rate
• "掺气区" 英文翻译 :    aeration zone; aerationzone
• "再掺气" 英文翻译 :    reaeration
• "水流" 英文翻译 :    1.(江河) rivers; streams; waters2.(流动的水) current; water flow; fluent; flow; [水文] stream current 水流迟缓 sluggish flow; 水流冲刷 current scour; 水流分离(作用) flow separation; 水流痕 current mark; 水流量 water flow; 水流下沉 downwelling; 水流线理 current lineation; 水流最湍急处 stream
• "饱气水" 英文翻译 :    aerated water

• This project comes from the national fund of natural science ( no . 50079020 ) , whose aim is to study the measurement of the characteristic of aerated water flows by image processing
  本课题来源于国家自然科学基金项目( no . 50079020 ) ，使用图像测量技术对掺气水流的特性的测量方法进行研究。
• The results show that the correlation dimensions are different in different current conditions . it is indicated that sediment - laden and aerated flows are not completely stochastic , possessing its intrinsic order
  结果表明，不同水流状况具有不同的关联维数，含沙掺气水流运动并非完全随机的，而是具有内在有序性。
• Recently , with the development of computer techniques and image processing , image measurement , as an un - intact lossless detection method , has been paid more attention by most researchers during the study of characters of aerated water flows
  近年来，随着计算机技术和图像处理技术的蓬勃发展，图像测量作为一种非接触的、无损的测量方法，在掺气水流特性的研究中受到广大科研工作者的青睐。
• The definition and calculation of fractional dimension is introduced briefly . the pressure fluctuation signals are processed by reconstructing the phase space for sediment - laden and aerated flow . the correlation dimensions are calculated for sediment - laden flow , clear water and aerated flow
  简要地介绍了分维的定义和计算，运用相空间重构法对含沙掺气水流脉动压强信号进行处理，计算了浑水、清水、掺气三种不同水流状况的关联维数。
• Because the bubbles and water are both colorless and transparent in aerated water flows , the contrast of the captured images is low , and uneven illumination exists . two bubbles extraction methods are proposed to eliminate the un - balance of illumination and higher accuracy bubble extraction is obtained
  由于掺气水流中的气泡的和水都是无色透明的，这使得拍摄到的气泡图像存在对比度低，并且存在光照不均的影响，为了解决光照对分割结果的影响，达到高精度提取气泡的目的，本文提出了两种图像分割方法。
• Thus the areas of the overlapping regions are compensated efficiently and the accuracy of measurement is highly improved . the volume of the bubbles can be estimated on the bubbles " area information , and a genetic algorithm ( ga ) based method is used to match and track bubbles in the image sequences , which solve tracking problem under complex conditions efficiently , such as some bubbles may have kinetic occlusion and crossover , some newly generated bubbles may entered into flow field and run away . a smooth kinetic locus is obtained by fitting the discrete centroids with a cubic spline function and at the same time the visual measurement is realized
  根据气泡在图像平面中的面积估计气泡的体积，并对流场中的所有气泡采用遗传算法进行最佳的匹配跟踪，有效地解决了气泡群在流场中出现如遮挡、交又、新它‘出现、逃逸等复杂情况下的准确跟踪，并采用三次样条插值方法对离散的质心点轨迹进行拟合，得到气泡在流场中平滑的运动轨迹，从而实现了掺气水流特性的可视化测童。
• The fundamental theory and equations for the pressure fluctuation are described and the wall pressure fluctuation is measured . based on the experiment data , the characteristics of pressure fluctuations are analyzed in the three - phase flow of water , air and sand . the effects of air concentration and sediment content on the amplitude and frequency of pressure fluctuations are discussed
  建立了多相流压强脉动基本方程，阐述了水流脉动压强基本理论，分析了压强脉动机理；根据试验数据，探讨了水、气、沙三相流体的压强脉动特性，初步得到了高速含沙掺气水流脉动压强的幅值特性与频域特性；提出了脉动压强强度系数、脉动压强极差系数与含沙量、掺气浓度的关系。
• The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed . in a special circulating system with high velocity flow , some flow parameters such as boundary shear stress and pulsation pressure are measured . an investigation is made on the turbulent characteristics of the three - phase flow of water , air and sand
  本文针对高速含沙掺气水流的运动规律有别于低速水流及清水单相流，在自己研制的高速浑水循环系统中，通过对高速含沙掺气水流壁面剪切应力和脉动压强等参数的量测，分析了水沙气三相流的紊动特性，探索了泥沙对固壁的磨蚀机理及减蚀措施，其主要内容包括以下几个方面： 1