CAJ | 학술논문

为深入研究潜水搅拌机的流场特性，采用三维建模软件 Pro/E 建立三维实体模型，在 FLUENT 6.3大型计算流体力学软件平台上，采用非结构化四面体网格，利用动坐标系技术、k-ε湍流模型和 SIMPLE算法，并且自由液面采用刚盖假定处理，对WJ 型潜水搅拌机进行了全流场模拟，分析了搅拌水池内部流体速度、轴向速度、径向速度、周向速度沿径向的规律，及速度沿轴向的衰减规律，总结流场规律.计算结果表明：搅拌水池内流体轴向速度、速度沿径向分布为高斯分布；搅拌水池内流体最大轴向速度沿轴向衰减以双曲线形式衰减；潜水搅拌机搅拌流场具有明显的射流特性.该研究结果为潜水搅拌机的叶轮设计提供了理论依据，为深入研究潜水搅拌机设计制造的关键技术提供了参考，同时对工程实践有一定的指导意义.
위심입연구잠수교반궤적류장특성，채용삼유건모연건 Pro/E 건립삼유실체모형，재 FLUENT 6.3대형계산류체역학연건평태상，채용비결구화사면체망격，이용동좌표계기술、k-ε단류모형화 SIMPLE산법，병차자유액면채용강개가정처리，대WJ 형잠수교반궤진행료전류장모의，분석료교반수지내부류체속도、축향속도、경향속도、주향속도연경향적규률，급속도연축향적쇠감규률，총결류장규률.계산결과표명：교반수지내류체축향속도、속도연경향분포위고사분포；교반수지내류체최대축향속도연축향쇠감이쌍곡선형식쇠감；잠수교반궤교반류장구유명현적사류특성.해연구결과위잠수교반궤적협륜설계제공료이론의거，위심입연구잠수교반궤설계제조적관건기술제공료삼고，동시대공정실천유일정적지도의의.
To study the performance of submersible mixer,the fluid in the pool mixed by the submersible mixer is simulated using Fluent 6.3.MRF technology,k-εturbulence model and SIMPLE algorithm are adopted in the simulation,and the pool surface is handled by rigid-lid assumption.The distribution rules of velocity,axial velocity, radial velocity, circumferential velocity along radial are analyzed, and the attenuation law of velocity along axial is studied.The results show that the distribution of velocity,axial velocity,radial velocity,circumferential velocity along radial are Gaussian distribution,and maximum axial velocity along axial declines by the hyperbolic form.Jet characteristics is obvious in mixing flow.