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Pham, Phu, Bui, Thanh, Le, Duc. (1404). Simulation of hydrodynamic behaviors of refined sugar in gas pulsed fluidized bed using Two Fluid Model. نشریه هنرهای کاربردی, (), -. doi: 10.22075/jhmtr.2025.38298.1785
Phu Quang Pham; Thanh Trung Bui; Duc Anh Le. "Simulation of hydrodynamic behaviors of refined sugar in gas pulsed fluidized bed using Two Fluid Model". نشریه هنرهای کاربردی, , , 1404, -. doi: 10.22075/jhmtr.2025.38298.1785
Pham, Phu, Bui, Thanh, Le, Duc. (1404). 'Simulation of hydrodynamic behaviors of refined sugar in gas pulsed fluidized bed using Two Fluid Model', نشریه هنرهای کاربردی, (), pp. -. doi: 10.22075/jhmtr.2025.38298.1785
Pham, Phu, Bui, Thanh, Le, Duc. Simulation of hydrodynamic behaviors of refined sugar in gas pulsed fluidized bed using Two Fluid Model. نشریه هنرهای کاربردی, 1404; (): -. doi: 10.22075/jhmtr.2025.38298.1785

Simulation of hydrodynamic behaviors of refined sugar in gas pulsed fluidized bed using Two Fluid Model

Journal of Heat and Mass Transfer Research
مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 25 مهر 1404
نوع مقاله: Full Length Research Article
شناسه دیجیتال (DOI): 10.22075/jhmtr.2025.38298.1785
نویسندگان
Phu Quang Pham1؛ Thanh Trung Bui2؛ Duc Anh Le* 3
1Thermal Engineering Department, Faculty of Heat and Refrigeration Engineering, Industrial University of Ho Chi Minh city
2Thermal Engineering Department, Faculty of Heat and Refrigeration Engineering, Industrial University of Ho Chi Minh City
3Faculty of Engineering and Technology, Nong Lam University, Ho Chi Minh City, Vietnam
تاریخ دریافت: 24 تیر 1404،  تاریخ بازنگری: 30 شهریور 1404،  تاریخ پذیرش: 25 مهر 1404 
چکیده
The hydrodynamic behaviors of refined sugar bed with a continuous gas stream and a horizontal pulsed gas in a gas-particles bubbling fluidized bed were simulated by the 2D Two Fluid Model. The effect of pulse frequency on the hydrodynamics of the gas and particles was also analyzed. The results show that the porosity of the bed and the size of the bubbles caused by the pulsed gas were greater than those of the continuous fluidization. The simulation results also determined that the average velocity of the gas flow through the distribution grid is greater than 0.94 m.s-1 and the pulse frequency changes between 0.5 Hz and 1.5 Hz, which is suitable for pulsed gas fluidization for refined sugar products. In this range, the superficial velocity reaches an average value of 0.67 m.s-1, fluctuating between 0.35 m.s-1 and 0.9 m.s-1, the bed porosity varies within this range 0.25 - 0.59, and the pressure drop across the bed ranges from 300 - 900 Pa. The gas-particles bubbling fluidized bed system with pulsed gas flow enhances the mixing of particles and gases while reducing gas flow compared to the conventional continuous fluidized bed system.
کلیدواژه‌ها
Pulsed gas fluidization؛ Refined sugar؛ Hydrodynamic behavior؛ Pulse frequency؛ Two Fluid Model
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