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国际清洁环境能源期刊
SJR: 0.195 SNIP: 0.435 CiteScore™: 0.74

ISSN 打印: 2150-3621
ISSN 在线: 2150-363X

国际清洁环境能源期刊

Formerly known as Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2018021014
pages 105-117

VALIDATION OF THE MODEL OF A SPHERICAL SEGMENT DROPLET ON SOLID SUBSTRATE

Shi Chen
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Yaqiong Chen
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
Xiaohua Liu
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China
Shengqiang Shen
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Key Laboratory for Desalination of Liaoning Province, School of Energy and Power Engineering, Dalian University of Technology, Dalian 116024, China
Xiaoxiao Wang
Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China

ABSTRACT

A theoretical static spreading model of a spherical segment droplet was built in this work. It is an equation with droplet equilibrium radius, height, and other parameters, such as the surface tension coefficient and contact angle deduced by a mechanical balance of a droplet on a flat plate. The experimental results obtained for the droplet were compared with theoretical solutions. It is indicated that the model can be more accurately applied to droplet and validate its shape. At last, the effects of droplet physical parameters on the static spreading diameter were quantitatively analyzed. It can be believed that the expression for the radius and height given in this paper can lay a good theoretical foundation for studying the dynamic processes of droplet impacting on a flat plate.


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