牛顿流动
The first problem is therefore to calculate the trajectory of a body thrown at an Angle in the Earth's gravitational field and Newtonian flow resistance.
因此，第一个问题是引发身体在地球的引力场和牛顿流动性的角度来计算的轨迹。
The method is presented to simulate pressure losses and flow velocities in skewed narrow annular geometries for laminar, transition and turbulent non-Newtonian flow.
提出了关于变偏心度环空中计算非牛顿流体在层流、过渡流及紊流状态下压降、流速的方法；给出了流场特性分析及数值模拟结果。
When the Reynolds number for Bingham fluid is larger than a certain value, the flow will transfer from the laminar state to the turbulent state as Newtonian flow does.
和牛顿流体一样，宾汉流体的雷诺数超过一定值后，其流动将从层流向紊流过渡。
Non-Newtonian fluid viscosity in the formation of a shear rate of change with variable, stress response reflected in the instability shown by different characteristics of Newtonian flow.
非牛顿流体在地层中的粘度是一个随剪切速率变化而改变的非常数，反映在不稳定压力响应特性上表现出与牛顿流大不相同的特征。
An inverse problem of a free boundary problem which arised from the flow of non-Newtonian fluids is stu***d.
讨论了由非牛顿流体流动引起的一类自由边值问题的一个反问题。
牛顿流体（Newtonian flow）指遵循牛顿黏性定律的流体行为，其剪应力与剪切速率呈线性正比关系，数学表达式为：
$$
tau = mu frac{du}{dy}
$$
其中，$tau$为剪应力，$mu$为流体黏度，$frac{du}{dy}$为垂直于流动方向的剪切速率。
非牛顿流体（如牙膏、血液在高剪切速率下）的黏度会随剪切速率变化，而牛顿流体的响应始终线性。这一区别在化工反应器设计和生物医学设备开发中至关重要。
权威参考文献：
"Newtonian flow"（牛顿流动）是流体力学中的专业术语，指符合牛顿粘性定律的流体流动行为。以下是详细解释：
如需进一步了解流体分类或粘度计算，可参考专业流体力学资料。
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