naa a22 4500 510766056 CHVBK 20180411083157.0 cr unu---uuuuu 180411e20130801xx s 000 0 eng 10.1007/s11630-013-0632-z doi (NATIONALLICENCE)springer-10.1007/s11630-013-0632-z Numerical and experimental study on aerodynamic performance of small axial flow fan with splitter blades [Elektronische Daten] [Lifu Zhu, Yingzi Jin, Yi Li, Yuzhen Jin, Yanping Wang, Li Zhang] To improve the aerodynamic performance of small axial flow fan, in this paper the design of a small axial flow fan with splitter blades is studied. The RNG k-ɛ turbulence model and SIMPLE algorithm were applied to the steady simulation calculation of the flow field, and its result was used as the initial field of the large eddy simulation to calculate the unsteady pressure field. The FW-H noise model was adopted to predict aerodynamic noise in the six monitoring points. Fast Fourier transform algorithm was applied to process the pressure signal. Experiment of noise testing was done to further investigate the aerodynamic noise of fans. And then the results obtained from the numerical simulation and experiment were described and analyzed. The results show that the static characteristics of small axial fan with splitter blades are similar with the prototype fan, and the static characteristics are improved within a certain range of flux. The power spectral density at the six monitoring points of small axial flow fan with splitter blades have decreased to some extent. The experimental results show sound pressure level of new fan has reduced in most frequency bands by comparing with prototype fan. The research results will provide a proof for parameter optimization and noise prediction of small axial flow fans with high performance. Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag Berlin Heidelberg, 2013 small axial flow fan nationallicence splitter blades nationallicence noise nationallicence frequency nationallicence Zhu Lifu The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Jin Yingzi The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Li Yi The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Jin Yuzhen The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Wang Yanping The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Zhang Li The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut Journal of Thermal Science Springer Berlin Heidelberg 22/4(2013-08-01), 333-339 1003-2169 22:4<333 2013 22 11630 https://doi.org/10.1007/s11630-013-0632-z text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11630-013-0632-z text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Zhu Lifu The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 700 1- Jin Yingzi The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 700 1- Li Yi The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 700 1- Jin Yuzhen The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 700 1- Wang Yanping The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 700 1- Zhang Li The Province Key Laboratory of Fluid Transmission Technology, Zhejiang Sci-Tech University, 310018, Hangzhou, China aut NATIONALLICENCE 773 0- Journal of Thermal Science Springer Berlin Heidelberg 22/4(2013-08-01), 333-339 1003-2169 22:4<333 2013 22 11630 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer