Characteristics analysis for different water heads on the efficiency hill chart of Francis turbine. Issue 1 (May 2016)

• Record Type: Journal Article
• Authors: Wang, Z N; Guo, P C; Luo, X Q; Wang, Y L; Sun, S H
• Is Part Of: IOP conference series. Volume 129:Issue 1(2016)
• Publication Date: 2016-05
• Subjects: Materials science -- Periodicals; 620.1105
• DOI: 10.1088/1757-899X/129/1/012036
• Languages: English
• ISSNs: 1757-8981

Abstract

Abstract: Based on the test results of Francis turbine, the causes and inevitability of various hydraulic phenomena in the model combined characteristic curve for typical water heads were analyzed in this paper. the difference of the model combined characteristic curve from the low water head to the high water head is compared, and the characteristics and commonness of the model combined characteristic curve about different water head are summarized. Further, hydraulic performance and geometric features of Francis turbine are revealed by particularly analyzing model combined characteristic curves, and to provide powerful theoretical basis and definite modification direction for the hydraulic design of hydraulic turbine.