http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
사각탱크 내부에 슬로싱이 발생 시 생기는 공기 거동에 관한 수치해석적 연구
고종욱(Jong Wook Go),김태순(Tae Soon Kim),고성호(Sung Ho Ko) 대한기계학회 2014 대한기계학회 춘추학술대회 Vol.2014 No.11
Excitation forces induce fluid sloshing that finally leads to internal structural damage and fluid impact noise. Therefore, to minimizing sloshing effect, many researchers have been studying about it. However, most of researchers are not interested in air behavior on a free surface. If there are baffles which block the air in a tank, sloshing decrease but a tank is pressurized by air. The purpose of this paper is to examine air behavior over sloshing in a rectangular tank. We performed a numerical study using CFX, and k-ε model was used for it. To excite sloshing in the tank, we used a function about Asin(2πft) where A is amplitude, f is frequency and t is time. To verify the reliability of the results of analysis, the result is compared with the experimental results of the previous study. Also we analyzed air behavior and sloshing in a tank with baffles.