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be manipulated in future characterization work. A three-parameter model was developed in order to link the bubble size and frother concentration. This relationship can be used to correlate gas dispersion change to improved metallurgical performance.Key words:bubble size; bubble size distribution; bubble surface area flux; gas dispersion......
and numerical analysis of quasi-static bubble size and shape characteristics at detachment[J]. International Journal of Heat and Mass Transfer, 2013, 64(3): 53-69. [14] AMIRNIA S, DE BRUYN J R... and rising behavior of single bubble in stagnant water YAN Hongjie1, ZHAO Guojian1, LIU Liu1, DUAN Junhao2 (1. School of Energy Science and Engineering, Central South University, Changsha 410083, China; 2......
size, and in the same working duration with bubble pump, Fig. 19 Calculating result with solar radiation intensity and temperature: (a), (b) Temperature; (c), (d) Solar radiation intensity electric pump...J. Cent. South Univ. (2012) 19: 1590-1599 DOI: 10.1007/s11771-012-1181-4 Experimental assessment of two-phase bubble pump for solar water heating CHUNG Han-shik1, WOO Ju-sik2, SHIN Yong-han2, KIM......
to the extent of the interfacial area, which depends in turn on bubble size distribution and gas hold-up. Experimental investigation [2, 3] provides a straight forward way to obtain the dispersion properties. Measurement techniques are partly intrusive using various probe techniques well- known from other applications like electrical and optical needle probes for gas fraction and bubble size [4-6......
> Abstract: The aggregating behavior between bubbles and particles induced by high intensity conditioning (HIC) was studied using high speed CCD technique. Bubble size measurement... environment for the formation of small size bubble due to hydrodynamic cavitations, and these fine bubbles have high probability of bubble-particle collision, which will enhance fine particle......
of reagent-addition amount based on PDF model of bubble size in copper roughing flotation process TANG Zhaohui, WANG Wei, LIU Jinping, GUI Weihua, YANG Chunhua (School of Information Science... function (PDF) of bubble size. In this method, the PDF model of bubble size was established. Taking the flotation bubble size distribution as the control objective, the generalized predictive control......
coefficient Kga can be determined. 3.3 Bubble behavior As shown in Figure 3, the geometry and size of bubble swarms differ with respect to the position in the liquid column. At the bottom of column... of the column, while small bubbles congested the middle part of the vessel. And in most cases the distribution of bubble size approximately follows the logarithmic normal distribution law [18]. Figure......
are analyzed by the aspect ratio. The bubble size at the detachment is quantified by the maximum caliper distance and the bubble equivalent diameter. Considering the dependence on the opening ratio, different... that the proposed prediction model can accurately predict the bubble detachment size under the condition of multi-hole nozzles. Key words: bottom blowing; bubble growth; nozzle geometry; non-spherical......
using Euler-Lagrange approach. In this model, bubbles coalescence and disintegration were ignored based on the dimensionless analysis, and the bubble size was assumed to be obedient to Rosin-Rammler... as well [3]. A number of experimental studies have been carried out to investigate the bubble characteristics in the bubble column, e.g. bubble size, size distribution, and gas hold-up. In the previous......
Trans. Nonferrous Met. Soc. China 24(2014) 2964-2968 Evaluation of effect of viscosity changes on bubble size in a mechanical flotation cell Wei ZHANG1,2 1. Mining & Mineral Resources Division..., Canada Received 9 September 2013; accepted 20 January 2014 Abstract: In operating flotation plants, the viscosity of the pulp can vary significantly. Consequently, the resulting impact on bubble size......