射流混药装置混合管流场数值计算

Numerical Computation of Mixing Pipe Flow-Field in Jet Mixing Apparatus for Pesticide Mixture

应用有限控制容积法 ,在标准K -ε二方程紊流模型下 ,对射流混药装置内混合管轴对称流场进行了数值计算 ,得到了流场的参数分布 ,揭示了射流混药装置工作机理就是湍流射流、湍流混合过程 。

Numerical computation of axis symmetric flow in mixing pipe of jet mixing apparatus is performed by finite volume method with K ε turbulent model. A comprehensive parameter distribution is obtained which reveals the mixing mechanism of jet mixing apparatus. All results obtained provide a reliable basis for theoretical study and optimal design of jet mixing apparatus.