Experimental and theoretical analysis of water spreading on horizontal grooved surfaces. (15th February 2022)

• Record Type: Journal Article
• Authors: Wei, Junqing; Liu, Jinping; Xu, Xiongwen; Lu, Xingbin
• Is Part Of: Chemical engineering science. Volume 249(2022)
• Publication Date: 2022-02-15
• Subjects: Grooved surface -- Liquid spreading -- Critical value -- Thermodynamic method; Chemical engineering -- Periodicals; Génie chimique -- Périodiques; Chemical engineering; Periodicals; Electronic journals; 660
• DOI: 10.1016/j.ces.2021.117304
• Languages: English
• ISSNs: 0009-2509

Abstract

Highlights: The water drop spreading on a horizontal grooved surface is a catastrophe process. Critical value of water drops spreading is associated with the groove structure. A thermodynamic method is proposed to predict the water behaviour on grooved surfaces. Abstract: In this study, experiments were conducted to investigate the liquid drop spreading behavior on the grooved surface. The critical volume and the critical angle at which the water drop started to spread on the grooved surfaces were determined by the shadow method. It was found that the drop spreading on the grooved surface is a catastrophe process and the critical values vary with the groove structures. A thermodynamic method was proposed for predicting the critical drop volume spreading on the grooved surfaces with different structures. The consistency between the theoretical and experimental results is concluded to be satisfactory.