粘性阻力是指船舶航行时所受到的因流体粘性所产生的阻力(R)，包括摩擦阻力和粘性压阻力。摩擦阻力一股占粘性阻力的主要部分。粘性阻力很难与其他阻力成分分开，故不易精确量得。日前多用尾流测量法近似得到，要将属于兴波阻力的破波阻力成分剔除。理论计算也尚未有满意的方法。实用中对常规水面船舶可按国际船模试验水池会议ITTC l 978预报法求得船模或实船的粘性。
建立了包含粘性阻力和泄露等因素在内的液压破碎锤非线性模型。
Mathematic model of hydraulic breaker piston movement. A non-linear hydraulic breaker model was built, in which mucosity resistance and leakage was taken into account.
船舶航行阻力的一部分为粘性阻力，其中又分为形状阻力和摩擦阻力。
Part of the ship resistance is viscous resistance, which divided into form drag and friction resistance.
温度改变原油性质来影响水滴的变形断裂，其中粘性阻力起主导作用。
The effect of temperature on the distorting and breaking up of droplets is produced mainly by changing the properties of crude oil, especially the viscosity.
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