초록 열기/닫기 버튼
The objective of this study is to investigate the flow performance analysis for an electric fan with counter-rotating fan. The counter-rotating fan is a device with the method of mutually rotating two moving blades in an opposite direction. It is possible to increase the pressure between fans even with a narrow diameter of a housing and to blow wind over long distances. Because of these advantages, we are developing an electric fan with counter-rotating fan that has the function of an air purifier by installing a filter on the rear. In this paper, the flow characteristic and performance of the counter-rotating fan are clarified by the computational fluid dynamics results according to the change of the blade angle and rotational speed ratio.
