naa a22 4500 510766307 CHVBK 20180411083157.0 cr unu---uuuuu 180411e20131001xx s 000 0 eng 10.1007/s11630-013-0641-y doi (NATIONALLICENCE)springer-10.1007/s11630-013-0641-y Suction performance and internal flow of a 2-bladed helical inducer with inlet asymmetric plate [Elektronische Daten] [S. Watanabe, Y. Uchinono, K. Ishizaka, A. Furukawa, J. Kim] It has been found in our past studies that the installation of asymmetric plate at the inlet of inducer is effective for the suppression of cavitation surge phenomenon. In the present study, the suction performance of 2-bladed helical inducer with an inlet asymmetric plate is experimentally investigated. It is observed that the suction performance in large flow rate conditions is not significantly influenced by the asymmetric plate, whereas the head of inducer with the asymmetric plate increases just before the head breakdown in partial flow conditions. To understand the mechanism of this additional head, the flow measurements and the numerical simulations are carried out. It is found that the circumferential component of absolute velocity at the exit of inducer slightly increases with the development of cavitation in both cases with and without the inlet asymmetric plate, indicating the increase of the theoretical head. The theoretical head increase with the inlet asymmetric plate is also confirmed by the unsteady numerical simulations, suggesting that the additional head is achieved through the increase of the theoretical head with the change of the exiting flow from the inducer associated with some amount of cavitation. Science Press, Institute of Engineering Thermophysics, CAS and Springer-Verlag Berlin Heidelberg, 2013 Inducer nationallicence Cavitation nationallicence Suction performance nationallicence Internal flow nationallicence Inlet asymmetric plate nationallicence Watanabe S. Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut Uchinono Y. Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut Ishizaka K. Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut Furukawa A. Oita National College of Technology, Oita, Japan aut Kim J. Hyosung Goodsprings Co., Ltd., Seoul, Korea aut Journal of Thermal Science Springer Berlin Heidelberg 22/5(2013-10-01), 395-403 1003-2169 22:5<395 2013 22 11630 https://doi.org/10.1007/s11630-013-0641-y text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11630-013-0641-y text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Watanabe S. Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut NATIONALLICENCE 700 1- Uchinono Y. Graduate School of Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut NATIONALLICENCE 700 1- Ishizaka K. Department of Mechanical Engineering, Kyushu University, 744 Motooka, Nishi-ku, 819-0395, Fukuoka, Japan aut NATIONALLICENCE 700 1- Furukawa A. Oita National College of Technology, Oita, Japan aut NATIONALLICENCE 700 1- Kim J. Hyosung Goodsprings Co., Ltd., Seoul, Korea aut NATIONALLICENCE 773 0- Journal of Thermal Science Springer Berlin Heidelberg 22/5(2013-10-01), 395-403 1003-2169 22:5<395 2013 22 11630 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer