The phenomenon of impaction between liquid droplets and solid particles is involved in many scientific problems and engineering applications, such as impaction between sprayed droplet and solid particles in limestone injection desulfurization system and the collision between a droplet of the liquid to be granulated and a seed particle in fluidized bed spray granulation process. There are a lot of factors affected this phenomenon: droplet and particle size, momentum of both liquid droplet and solid particles, materials, surface conditions of the solid particles and so on. However the experimental or numerical researches have been done mostly pay attention to Specific application or process, so the impaction phenomenon has not been through studied, for example how different factors affected the impaction process with its effect on different applications. This paper focuses on the basic issue of interaction between droplet and solid particles. Three main factors were considered: ratio of diameter between the droplet and solid particle, relative velocity and the surface tension (including the contact angle between droplet and solid particle). All the study is based on simulation using SPH (smoothed particle hydrodynamics) method, and the surface tension is simulated by particle-particle interaction.
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ASME 2014 International Mechanical Engineering Congress and Exposition
November 14–20, 2014
Montreal, Quebec, Canada
Conference Sponsors:
- ASME
ISBN:
978-0-7918-4959-0
PROCEEDINGS PAPER
Simulation of Impaction Between Liquid Droplet and Solid Particles Based on SPH Method
Shuai Meng,
Shuai Meng
Tsinghua University, Beijing, China
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Rui Yang
Rui Yang
Tsinghua University, Beijing, China
Search for other works by this author on:
Shuai Meng
Tsinghua University, Beijing, China
Qian Wang
Tsinghua University, Beijing, China
Rui Yang
Tsinghua University, Beijing, China
Paper No:
IMECE2014-37189, V010T13A003; 5 pages
Published Online:
March 13, 2015
Citation
Meng, S, Wang, Q, & Yang, R. "Simulation of Impaction Between Liquid Droplet and Solid Particles Based on SPH Method." Proceedings of the ASME 2014 International Mechanical Engineering Congress and Exposition. Volume 10: Micro- and Nano-Systems Engineering and Packaging. Montreal, Quebec, Canada. November 14–20, 2014. V010T13A003. ASME. https://doi.org/10.1115/IMECE2014-37189
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