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Derivation of turbulent energy in a rotating system | ||
| Journal of Computational & Applied Research in Mechanical Engineering (JCARME) | ||
| مقاله 7، دوره 3، شماره 1، اسفند 2013، صفحه 75-83 اصل مقاله (730.49 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22061/jcarme.2013.61 | ||
| نویسنده | ||
| S. F. Ahmed* | ||
| Prime University, Mirpur-1, Dhaka-1216, Bangladesh | ||
| تاریخ دریافت: 05 دی 1391، تاریخ بازنگری: 03 تیر 1392، تاریخ پذیرش: 11 تیر 1392 | ||
| چکیده | ||
| Energy equation for turbulent flow in a rotating system was derived in terms of second order correlation tensors, where the correlation tensors were functions of space coordinates, distance between two points and time. To reveal the relationship of turbulent energy between two points, one point was taken as origin of the coordinate system. Due to rotation, the Coriolis force played an important role in the rotating system of turbulent flow. The correlation between pressure fluctuations and velocity fluctuations at the two points of flow field was applied to the turbulent energy equation, in which the Coriolis force and centrifugal force acted on the fluid. | ||
| کلیدواژه‌ها | ||
| Energy equation؛ Turbulent Flow؛ Rotating system؛ Two-point correlation؛ Correlation tensor | ||
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