CAJ | 학술논문

为控制气力输送过程中粮食颗粒的破碎、提高输送效率、降低能耗，以小麦颗粒为研究对象，以其在90°弯管中的输送为研究条件，基于CFD-FLUENT对其运动特性与流场进行了模拟分析。建立了以气流速度、小麦颗粒在输送过程中的体积百分含量为优化参数，流场内部压力为目标的小麦颗粒输送特性优化模型；采用该模型获得了最佳输送状态下的气流速度和小麦颗粒的体积百分含量。研究结果将为工程应用提供理论依据。
위공제기력수송과정중양식과립적파쇄、제고수송효솔、강저능모，이소맥과립위연구대상，이기재90°만관중적수송위연구조건，기우CFD-FLUENT대기운동특성여류장진행료모의분석。건립료이기류속도、소맥과립재수송과정중적체적백분함량위우화삼수，류장내부압력위목표적소맥과립수송특성우화모형；채용해모형획득료최가수송상태하적기류속도화소맥과립적체적백분함량。연구결과장위공정응용제공이론의거。
To solve these problems of grain particles broken and transport efficiency and energy problem in pneumatic conveying based bulk grain warehousing equipment .In this paper , wheat grain as the research object , with its 90 °bend in the transport conditions , the transport characteristics and flow field are analyzed based on CFD FLUENT .Optimization model particle transport characteristics of wheat is established using the flow rat and percentage of the volume of wheat grain during transport as a percentage of the volume optimization parameters , the internal pressure of the flow field as the target function .Using this model ,the optimum state of the transport air velocity and wheat volume fraction of particles is obtained .The result shows that the method is practical in engineering and has certain significance .