implementation consultation Destruction of the disturbing structure In Parand Industrial City

Destruction of the disturbing structure-1
Destruction of the disturbing structure-2

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هر گونه باز نشر محتوا و اطلاعات نمایه شده در بانک های تحت اختیار این مرکز تنها به منظور است.فاده علمی و غیر تجاری با ایجاد پیوند به تارگاه SID و ذکر منبع مجاز است.. است.فاده از لوگو و نام مرکز به عنوان حامی و همکار علمی، بدون اخذ مجوز کتبی از "پایگاه مرکز اطلاعات علمی جهاد دانشگاهی" پیگرد قانونی دارد.

در صورتیکه که جایی برای طراحی و اجرای مسیرهای پیاده روی عمومی در نظر گرفته می شود و این مسیر پیاده روی عمومی بخشی از مسیر خیابان های عمومی نیست، توسعه صنعتی مجاور نباید به گونه‌ای باشد که زیبایی و ایمنی مسیرهای پیاده‌روی را کاهش دهد.

The equilibrium equation of available potential is obtained, in which the local exergy destruction rate is defined to express the irreversibility loss of the convective heat transfer process. Different from the surface-based heat transfer enhancement method, the fluid-based method is put forward by considering both thermal and flow resistances. The optimal mathematical model is constructed by the two-region method to reflect the principle of fluid-based heat transfer enhancement. By numerically solving the governing equation deduced through functional variation for Lagrange function, the optimal velocity field is obtained. The theoretical analysis is benefit to the high-efficiency and low-resistance heat transfer enhancement technologies. Specific conclusions are summarized as follows. () Available potential represents the energy grade of the fluid, and its equilibrium equation expresses the transport process of available energy. By reducing the exergy destruction of the fluid, the irreversibility of transport process can be decreased. () An optimization method of convective heat transfer is constructed by setting exergy destruction rate as optimization objective in the core flow and fluid power consumption as optimization objective in the boundary flow in a circular tube, which supports the principle of fluid-based heat transfer enhancement. () Numerical results by solving the governing equations show that the optimized flow field in a circular tube is in a structure of longitudinal swirling flows, which shows alternating large and small vortexes in the cross section of tube, and heat transfer can be greatly enhanced with a slight increase in flow resistance.



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