冶金能源
冶金能源
야금능원
ENERGY FOR METALLURGICAL INDUSTRY
2014年
4期
21-24,57
,共5页
池中源%张卫军%高秀平%杨爱伟%杨宏飞%闫志刚%崔薇薇
池中源%張衛軍%高秀平%楊愛偉%楊宏飛%閆誌剛%崔薇薇
지중원%장위군%고수평%양애위%양굉비%염지강%최미미
物料预热塔%多孔介质%双能量方程模型%UDF%正交实验
物料預熱塔%多孔介質%雙能量方程模型%UDF%正交實驗
물료예열탑%다공개질%쌍능량방정모형%UDF%정교실험
preheating tower of material%porous media%two-equation energy model%UDF%or-thogonal experiment
以计算流体力学软件FLUENT6.3为平台,针对预热塔内换热的特点,建立了物料预热塔二维仿真模型,重点研究多孔介质理论模型。选用标准的双方程模型模拟预热塔内的流场,采用用户自定义函数的UDFs构建多孔介质非局部热力学平衡的双能量方程模型,模拟预热塔内的温度场;探讨影响预热过程的因素,并通过正交实验的方法,对物料预热塔换热过程进行优化,得到了最优运行参数组合。
以計算流體力學軟件FLUENT6.3為平檯,針對預熱塔內換熱的特點,建立瞭物料預熱塔二維倣真模型,重點研究多孔介質理論模型。選用標準的雙方程模型模擬預熱塔內的流場,採用用戶自定義函數的UDFs構建多孔介質非跼部熱力學平衡的雙能量方程模型,模擬預熱塔內的溫度場;探討影響預熱過程的因素,併通過正交實驗的方法,對物料預熱塔換熱過程進行優化,得到瞭最優運行參數組閤。
이계산류체역학연건FLUENT6.3위평태,침대예열탑내환열적특점,건립료물료예열탑이유방진모형,중점연구다공개질이론모형。선용표준적쌍방정모형모의예열탑내적류장,채용용호자정의함수적UDFs구건다공개질비국부열역학평형적쌍능량방정모형,모의예열탑내적온도장;탐토영향예열과정적인소,병통과정교실험적방법,대물료예열탑환열과정진행우화,득도료최우운행삼수조합。
According to the characteristics of heat transfer in the preheating tower , 2-D simulation model and the theory of porous media model for heat transfer calculation were established by using Computational Fluid Dynamics software FLUENT6.3.Meanwhile, standard model was used to de-scribe the air flow in the preheating tower , and the temperature field was simulated by two -equation energy model based on non -equilibrium thermodynamics in porous media built up by UDFs .To ex-plore the factors that affect the preheating process , heat transfer process of material preheating tower were optimized and analyzed .At last, the optimal operation parameters were proved by orthogonal ex-periment.