Time‐ and Velocity‐Dependent Properties of Powders Effecting Slip‐Stick Oscillations
Time‐ and Velocity‐Dependent Properties of Powders Effecting Slip‐Stick Oscillations
复制标题
影响滑粘振荡的粉末的时间和速度相关特性
DOI：
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
D. Schulze
中科院分区：
文献类型：
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作者：
D. Schulze
粉末的滑粘行为是一种以自激脉动流为特征的现象，即，粉末间歇地开始和停止流动。在流动的粉末内和粉末沿沿着刚性壁流动时都可能发生滑动粘滞。在这项研究中，进行测量，以确定相关的滑粘和解释的基础上类比刚体之间的摩擦过程的结果的粉末的属性。此外，还考虑了其他科学领域（力学、摩擦学、微物理学）的研究成果对粉末的可能应用。
Slip-stick behavior of powders is a phenomenon characterized by self-excited, pulsating flow, i.e., the powder starts and stops flowing intermittently. Slip-stick can occur both within flowing powders and with powders flowing along a rigid wall. In this study, measurements were performed in order to identify the properties of powders relevant for slip-stick and the results interpreted on the basis of analogies to friction processes between rigid bodies. Also, findings of other fields of science (mechanics, tribology, geophysics) were considered with regard to their possible application to powders.