If you put something that floats, for example, in your fluid, something very light then it is going to start spinning.
如果你流体中放些漂浮物，很轻的东西，然后开始旋转。
The main parameters of viscosity, spinning temperature, pressure and winding velocity for coal tar pitch fluid should be rigidly controlled during spinning.
在纺丝过程中，要严格控制煤沥青熔体的粘度、纺丝温度、压力、卷绕速度等主要参数。
The paper deduced the Fluid dynamics model of Spinning solid propellant rockets, and validated the Fluid dynamics model by analyzing the examples, the result accord with the actual status.
推导了一种自旋固体火箭的流体动力学模型，并通过实例对模型进行了验证计算，计算结果与实际情况基本吻合。
Moreover, this method is used for the research on the problems of attitude stability of dual-spinning satellite, the large flexible spacecraft and the satellite with cavity containing fluid.
并应用该方法研究了自旋卫星(包括陀螺体卫星)，挠性卫星以及空腔充液卫星的姿态稳定性问题。
Moreover, this method is used for the research on the problems of attitude stability of dual-spinning satellite, the large flexible spacecraft and the satellite with cavity containing fluid.
并应用该方法研究了自旋卫星(包括陀螺体卫星)，挠性卫星以及空腔充液卫星的姿态稳定性问题。
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