Development of vibration shear tube method for powder flowability evaluation

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题名:	Development of vibration shear tube method for powder flowability evaluation
作者:	劉奕宏;Zainuddin, M. Imran;Yasuda, Masatoshi;Liu, Yi-Hung;Maruyama, Hiroyuki;Matsusaka, Shuji
贡献者:	工學院化學工程與材料工程學系
关键词:	Acceleration;adhesion;Adhesion tests;aluminum oxide;Applied sciences;Chemical engineering;Exact sciences and technology;Friction;mass flow;Mass flow rate;Measurement;methodology;Miscellaneous;Powder flowability;Powder technology;Shear;Solid-solid systems;Static/dynamic properties;Tubes;Vibration
日期:	2012-02-01
上传时间:	2026-04-21 13:50:39 (UTC+8)
出版者:	Elsevier;Amsterdam: Elsevier B.V
摘要:	摘要： A new method for evaluating powder flowability, named vibration shear tube method has been developed. In this measurement system, the powder was discharged through a narrow gap between a vibrating tube edge and a flat bottom surface, where the particles experienced high shear forces to overcome the adhesion and friction forces. The vibration amplitude was increased during the measurement, and the mass of particles discharged was measured at constant time intervals. The amount of powder used for the measurement was about 10–40g. The measurement time was 100–400s. A series of experiments was carried out using alumina particles of 2–60μm in mass median diameters. Flowability profiles, i.e. the relationships between the mass flow rate and the vibration acceleration were obtained experimentally. To characterize powder flowability, critical vibration acceleration and characteristic mass flow rate were proposed. The values of these factors were analyzed in detail and the performance of this measurement system was evaluated. [Display omitted] ► A new method for evaluating powder flowability has been developed. ► To make particles flow in this system, a shear field was generated by vibration. ► The vibration amplitude was increased during the measurement. ► The amount of powder used for the measurement was about 10–40g. ► The measurement time was 100–400s and the flowability profile was evaluated. 出版者： Amsterdam: Elsevier B.V 出版日期： 2012-02-01 出處： Powder Technology, 2012-02, Vol.217 (217), p.548-553 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2011 Elsevier B.V. 版權： 2015 INIST-CNRS 識別號： ISSN: 0032-5910 識別號： EISSN: 1873-328X 識別號： DOI: 10.1016/j.powtec.2011.11.013 識別號： CODEN: POTEBX
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