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Numerical study of the formation process of ferrofluid droplets

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Numerical study of the formation process of ferrofluid droplets
นักวิจัย : Liu, Jing , Yap, Yit Fatt , Nguyen, Nam-Trung
คำค้น : DRNTU::Engineering::Mechanical engineering.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2554
อ้างอิง : Liu, J., Yap, Y. F., & Nguyen, N. T. (2011). Numerical study of the formation process of ferrofluid droplets. Physics of Fluids, 23 (7). , http://hdl.handle.net/10220/7737 , http://dx.doi.org/10.1063/1.3614569 , 159437
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Physics of fluids
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

This paper numerically investigates the influence of a uniform magnetic field on the droplet formation process at a microfluidic flow focusing configuration. The mathematical model was formulated by considering the balance of forces such as interfacial tension, magnetic force, and viscous stress across the liquid/liquid interface. A linearly magnetizable fluid was assumed. The magnetic force acts as a body force where the magnetic permeability jumps across the interface. The governing equations were solved with finite volume method on a Cartesian fixed staggered grid. The evolution of the interface was captured by the particle level set method. The code was validated with the equilibrium steady state of a ferrofluid droplet exposed to a uniform magnetic field. The evolution of the droplet formation in a flow focusing configuration was discussed. The paper mainly analyzes the effects of magnetic Bond number and the susceptibility on the velocity field and the droplet size. The droplet size increased with increasing magnetic strength and susceptibility.

บรรณานุกรม :
Liu, Jing , Yap, Yit Fatt , Nguyen, Nam-Trung . (2554). Numerical study of the formation process of ferrofluid droplets.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Jing , Yap, Yit Fatt , Nguyen, Nam-Trung . 2554. "Numerical study of the formation process of ferrofluid droplets".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Liu, Jing , Yap, Yit Fatt , Nguyen, Nam-Trung . "Numerical study of the formation process of ferrofluid droplets."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2554. Print.
Liu, Jing , Yap, Yit Fatt , Nguyen, Nam-Trung . Numerical study of the formation process of ferrofluid droplets. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2554.