http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박준용(J.Y. Park),구한범(H.B. Koo),손덕영(D.Y. Sohn),이정일(J.I. Lee),최윤호(Y.H. Choi),소상영(S.Y. So),이나리(N.R. Lee) 한국전산유체공학회 2014 한국전산유체공학회 학술대회논문집 Vol.2014 No.11
Vortex tube is an energy separation device using high pressure for dividing hot and cold air with simple geometry. The phenomenon of energy separation in vortex tube is not identified yet. For this reason, most of study about the impact on performance according to the shape has been made by experiments. In this study, we compared 10 factors what we think affecting performance of vortex tube in low pressure condition using Plackett-Burman Design. We calculate and analyze mass flow rate(m), temperature difference at cold exit(ΔT<SUB>c</SUB>), and cooling power(W) using CFD. The analysis for the results is made for the main effects that do not interact with other factors. As a result, we found inlet mass flow rate and ΔT<SUB>c</SUB> have large dependence on nozzle area factors. If nozzle area is wider, mass flow rate become greater. In opposite case, ΔT<SUB>c</SUB> become greater. And we found cooling power has large dependence on vortex generator diameter and tube diameter. Therefore, performance of vortex tube can be improved by appropriately selecting design factors.