It is found that three patterns may occur to the flow in the pool including free impact jet, submerge impact jet and surface flow according to the downstream water level.
根据高坝下游水垫深度的不同，塘内水流呈现自由冲击射流、淹没冲击射流和面流三种流型。
Impact between airflow and bottom of plastic pan and pot seedling is impact jet and key of realizing paddy ordered pneumatic throwing transplantation.
气流和塑盘穴孔及钵苗底部的碰撞属于冲击射流，是实现水稻气力有序抛秧的关键技术。
Taking the impact jet flow field of individual rocket as research object, this paper calculates the jet flow field near the back of the launching tube by using the numerical simulation method.
该文以单兵火箭冲击射流流场为研究对象，采用数值模拟技术，对定向器管尾附近区域的燃气流场进行了数值计算，给出了发动机工作早期阶段冲击射流噪声场形成过程的计算结果。
Taking the impact jet flow field of individual rocket as research object, this paper calculates the jet flow field near the back of the launching tube by using the numerical simulation method.
该文以单兵火箭冲击射流流场为研究对象，采用数值模拟技术，对定向器管尾附近区域的燃气流场进行了数值计算，给出了发动机工作早期阶段冲击射流噪声场形成过程的计算结果。
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