When a water drop is impinged upon superhydrophobic surfaces, various interesting physical phenomena can occur depending on physical structures on the surfaces. In this talk, I will focus on two phenomena during drop impact: the contact time between the drop and the surface and the...
A new high-order projection method for simulating incompressible turbulent flows is presented based on weighted essentially non-oscillatory (WENO) schemes. By the combination of successively higher orders of WENO and CD schemes, the desired order of accuracy (up to seventh order) was achieved without appreciable extra...
에어로졸은 기체 중에 떠 있는 고체 또는 액체의 입자상 물질(particulate matter; PM)을 말한다. 우리가 호흡하는 공기 중에는 수십 μm 이하 크기의 입자상 물질이 부유해 있으므로, 공기는 우리가 일상생활에서 가장 흔히 접할 수 있는 에어로졸의 한 예이다. 공기 중에 떠 있는 10 μm보다 크기가 작은 입자상...
Hyo-Ryoung Lim Major of Human Biocovergence, Division of Smart Healthcare, College of Information Technology and Convergence, Pukyong National University, Busan, Korea Monitoring electrolytes is critical for newborns and babies in the intensive care unit. However, the gold standard methods use a blood draw, which is painful and only offers...
The desire to maintain thermal loads acting on re-entry vehicles within acceptable limits drives numerous activities pertaining to research and development of thermal-protection materials. Metallic thermal-protection materials with low mass densities and life-cycle costs as well as greater strength to withstand thermal loads have been widely employed...
Taekyung Lee(School of Mechanical Engineering, Pusan National University, Korea) Multi-pass caliber-rolled Mg alloys possess a unique basal texture with split basal poles that are in contrast to alloys subjected to other plastic deformation processes. The intrinsic nature of texture development allows anisotropic material properties, which are...
Abstract Multi-functional materials that can convert one form of energy to another have drawn immense attention owing to their outstanding conversion efficiency and compatibility with CMOS semiconductor devices. Specifically, piezoelectric materials, which can be patterned in nano-thin-film or nano-particle forms, are suited for sensors, and actuators...
This lecture introduces vehicle chassis control and integrated chassis control. First, we will briefly introduce the mechanisms of ABS(Anti-lock Braking System), TCS (Traction Control System), ESC (Electronic Stability Control), Active Front Steering (AFS), RWS (Rear Wheel Steering), ECS (Electronic Controlled Suspension), and ARS (Active Roll)...
A journey to understand thermo-hydrodynamic coupling in cooling technology for high-heat-flux device Prof. Aejung Yoon ABSTRACT Thermal management of high-heat-flux electronic devices has recently become one of the most challenging problems in the latest industry. A pulsating heat pipe (PHP), has received attention in recent decades as a...
Multiscale Fatigue Life Prediction Models for Composite Materials Gun Jin Yun(gunjin.yun@snu.ac.kr) Department of Aerospace Engineering, Seoul National University Abstract Fiber-reinforced polymer matrix composite (FRPMC) materials have experienced fast growth in the aerospace industries over the past several decades, reaching out to applications to primary structural members. Due to nano...
