Volumes translated in wakes of single drops of organic liquids rising through aqueous media have been measured. Orgonic drops studied comprised methyl isobutyl ketone, toluene, and toluene-carbon tetrachloride mixtures. Aqueous media comprised water and water-sugar solution. Distance of drop rise va
The size and rate of shedding of wakes of single drops rising in a continuous medium
โ Scribed by Jacob Yeheskel; Ephraim Kehat
- Publisher
- Elsevier Science
- Year
- 1971
- Tongue
- English
- Weight
- 788 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0009-2509
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โฆ Synopsis
The size and rate of shedding of wakes of single drops were measured for seven systems and for drop Reynolds numbers of 137-798. The ratio of wake to drop volumes is in general independent of drop size and interfacial tension and is a linear function of the relative density. T'he distance required to shed the equivalent of the wake contents is essentially constant in all cases. The behavior of the wake parameters is consistent with the kinematic behavior of the drops.
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A method was developed for varying the pH of the medium during dissolution rate studies of timed-release tahlets with the aid of compressed, totally soluble, alkaline powder mixtures. Commercial as well as experimental timed-release capsules or tablets were used as models, and dissolution rates were