A5025758444- Ultrasound and Cavitation Phenomena
- Fluid Dynamics and Mixing
- Ultrasound and Hyperthermia Applications
- Nuclear Engineering Thermal-Hydraulics
- Ocular and Laser Science Research
- Laser-induced spectroscopy and plasma
- Electronic Packaging and Soldering Technologies
- Supercapacitor Materials and Fabrication
- Gas Dynamics and Kinetic Theory
- Combustion and Detonation Processes
- Fluid Dynamics and Turbulent Flows
- Advanced Sensor and Energy Harvesting Materials
- Cultural Heritage Materials Analysis
- Building materials and conservation
- Thermal Analysis in Power Transmission
- Laser Design and Applications
- Plasma and Flow Control in Aerodynamics
- Traumatic Ocular and Foreign Body Injuries
- Solid State Laser Technologies
- Conducting polymers and applications
- Tendon Structure and Treatment
- Silicon Carbide Semiconductor Technologies
- Hydraulic and Pneumatic Systems
- Conservation Techniques and Studies
- Particle Dynamics in Fluid Flows
Jeju National University
2017-2024
Abstract To mitigate future global energy challenges, it is vital to utilize natural resources harness sustainable and environmentally‐friendly energy. This paper explores the tribo‐ piezo‐electric functionalities of tomato peel (TP) fabricate a nature‐driven hybrid nanogenerator. Tomato one most cultivated vegetables globally, however, significant amount TP disposed after utilization in food processing industries. The possesses hierarchically placed highly porous structure, which helpful...
Little is known about the soft tissue destruction by holmium laser clinically used for enucleation of prostate (HoLEP), subject to distance between fiber tip and surface. We aimed investigate impact phantom surface (DLP) on a (STP) in relation surgical modes HoLEP.
In the present study, a novel hybrid method was considered to identify and measure inertial cavitation activity using acoustic optical emissions from violent bubble collapses. A photomultiplier (PMT) tube calibrated cylindrical needle hydrophone were used simultaneously detect sonochemical luminescence (SCL) signals emissions, respectively, during sonication. focusing ultrasound transducer operating at 398.4 kHz employed produce dense cloud focus. The results clearly showed that similar...
This study aims to compare the spatial characteristics of cavitation bubble cloud and shockwave pressure field. Cavitation images were acquired using micro pulsed light with 150us exposure time CCD camera, accumulated after repeated several acquisitions. The field was measured an optical hydrophone distribution bubbles. After device triggered, bubbles generated visualized during collapsed at same position where they generated. Most are concentrated in focal region shockwave. largest observed...
It is essential to understand the mechanism of various causes laser fiber damage and an ideal method reducing endoscope induced by emission in multiple sites. This study classified different patterns degradation according settings analyzed role cavitation bubbles find a desirable way minimizing damage.A total 118 fibers were after 1-,3-, 5-min artificial stones under 1 J-10 Hz, J-20 J-30 2 Hz. Every 3 cm from tip was marked examined with digital microscope high-speed camera. The images...