http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
마이크로 구조가 있는 친수성/소수성 표면에서의 젖음성 및 액적 증발 현상에 대한 연구
유동인(D. I. Yu),곽호재(H. J. Kwak),도승우(S. W. Doh),강희찬(H. C. Kang),안호선(H. S. Ahn),박현선(H. S. Park),키요후미 모리야마(K. Moriyama),김무환(M. H. Kim) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
According to the surface condition, the droplet has the contact angle and it is complexly evaporated. Therefore, the evaporation phenomena of the water droplet on the surface should be analyzed on the basis of the wetting phenomena. In this study, it is investigated the wetting and evaporation phenomena of water droplet on the textured hydrophilic / hydrophobic surfaces. On the well-defined surfaces about the surface condition, the apparent contact angle is precisely measured. To compare between experimental data and the previous wetting models, the models are experimentally validated. Subsequently, to study the evaporation phenomena, the contact angle and diameter are measured during droplet evaporation. On the basis of the wetting phenomena, the evaporation performance is analyzed depending on the surface conditions.
마이크로-나노 구조가 있는 표면에서의 액적 계면 거동 현상에 대한 연구
곽호재(H. J. Kwak),유동인(D. I. Yu),안호선(H. S. Ahn),김동억(D. E. Kim),박현선(H. S. Park),키요후미 모리야마(K. Moriyama),김무환(M. H. Kim) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Recently, to enhance the wetting characteristics of the surfaces, the hierarchical surfaces with micro and nano structures are intensively focused in the various research and engineering fields. On the hydrophilic surface with hierarchical structures, the super-hydrophilic surfaces are generally characterized by the interfacial behavior of water droplet. In this study, the interfacial behavior is experimentally investigated. Using the dry etching and conventional lithography method, the quantitative hierarchical surfaces are developed. The movement of the liquid-vapor interface on the test sections is visualized by the high speed camera. On the basis of the visualized data, the interfacial behavior of water droplet is intensively investigated according to the surface geometrical characteristics.