کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1740197 | 1017329 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Theoretical study of motion of small spherical air bubbles in a uniform shear flow of water
ترجمه فارسی عنوان
مطالعه نظری حرکت حباب های کوچک کروی در جریان آب یکنواخت
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی انرژی
انرژی هسته ای و مهندسی
چکیده انگلیسی
A simple Couette flow velocity profile with an appropriate correlation for the free terminal rise velocity of a single bubble in a quiescent liquid can produce reliable results for the trajectories of small spherical air bubbles in a low-viscosity liquid (water) provided the liquid remains under uniform shear flow. Comparison of the model adopted in this paper with published results has been accomplished. Based on this study it has also been found that the lift coefficient in water is higher than its typical value in a high-viscosity liquid and therefore a modified correlation for the lift coefficient in a uniform shear flow of water within the regime of the Eötvös number 0.305≤Eo≤1.220.305≤Eo≤1.22 is also presented.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Nuclear Engineering and Technology - Volume 47, Issue 1, February 2015, Pages 126–134
Journal: Nuclear Engineering and Technology - Volume 47, Issue 1, February 2015, Pages 126–134
نویسندگان
Syed Murtuza Mehdi, Sin Kim,