Particle removal process during application of impinging dry ice jet

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題名:	Particle removal process during application of impinging dry ice jet
作者:	劉奕宏;Liu, Yi-Hung;Hirama, Daisuke;Matsusaka, Shuji
貢獻者:	工學院化學工程與材料工程學系
關鍵詞:	adhesion;Agglomerate;Agglomerates;Applied sciences;Blasting;cameras;Chemical engineering;Dry ice;Dry ice jet;Exact sciences and technology;Fine particle;flow;High speed;image analysis;Impact;Jet flow;microscopes;Miscellaneous;Optimization;particles;Powder technology;Removal efficiency;Solid-solid systems;temperature
日期:	2012-02-01
上傳時間:	2026-04-21 13:51:14 (UTC+8)
出版者:	Elsevier;Amsterdam: Elsevier B.V
摘要:	摘要： In this study, we have investigated the application of dry ice blasting to remove fine particles adhering to surfaces and examined the removal process. The removal efficiency, area, and frequency have been analyzed using images captured with a high-speed microscope camera. In addition, the temperature of the dry ice jet has been measured in order to evaluate the dry ice particles and their effects on the particle removal process. The removal processes due to the impacts of primary dry ice particles and their agglomerates occurred in two stages corresponding to slow and rapid particle removals. High removal efficiency was achieved when the impacts of the agglomerates were dominant during the particle removal at approximately −70°C. Furthermore, we have investigated the effects of the jet flow rate on the removal area and frequency and proposed a system parameter to determine the optimum jet flow rate for efficient particle removal. [Display omitted] ► We investigate the removal process of fine particles by using dry ice blasting. ► We analyze the removal efficiency, area, and frequency by microscopic observation. ► Impacts of primary dry ice particles and their agglomerates cause the removal. ► High removal efficiency was achieved at approximately −70°C. ► We propose a system parameter to determine the optimum jet flow rate for the removal. 出版者： Amsterdam: Elsevier B.V 出版日期： 2012-02-01 出處： Powder Technology, 2012-02, Vol.217 (217), p.607-613 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.2011.11.032 識別號： CODEN: POTEBX
顯示於類別:	[化學工程與材料工程學系 ] 期刊論文

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