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Study on turbulent flow in rectangular tunnel by using PIV
박상규(S. K. Park),양희천(H. C. Yang),임종한(J. H. Lim),Chen Gong 한국동력기계공학회 2007 한국동력기계공학회 학술대회 논문집 Vol.- No.-
Along with the development of measurement techniques to fluid mechanics, the importance of fluid flow and heat transfer has been emphasized even in the field of science and engineering. In order to determine the characteristics of smoke movement in a rectangular tunnel, Particle Image Veocimetry (PIV) measurements are used here. This paper presents the experimental results of turbulent flow in the rectangular tunnel which has four different exhaust outlets, which are respectively positioned at 0, 100, 200 and 300㎜ away from the inlet in the x-direction, The experiments have been conducted by using olive oil droplets, whose viscosity is 1.51×10?? ㎡/s, as tracer particles.
박상규(S.K. Park),공종의(J.E. Kong) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper it is very important to improve a light system for the stabilization of auto mobile service. A traffic accident could be reduced to automatically control the automobile light system according to the situation in service. Therefore, a control method will be discussed for the control of automoile light and also the criferion of efficient light time and method is prepared.