Zobrazeno 1 - 10
of 116
pro vyhledávání: '"Songying Chen"'
Autor:
Yan Zhang, Jingting Liu, Xinzhen Yang, Hongmin Li, Songying Chen, Wei Lv, Wenchao Xu, Jianping Zheng, Dianyuan Wang
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-14 (2022)
Abstract High-pressure multistage centrifugal pumps have been widely used in modern industry and required low vibration and noise. In this study, modal analysis of the rotor system of a seven-stage centrifugal pump was carried out numerically by intr
Externí odkaz:
https://doaj.org/article/1ea60587fbba4946bcaf969496fba9e7
Autor:
Ruonan Fan, Zhaoyu Liang, Baoxin Fan, Songying Chen, Wei Lv, Wenchao Xu, Jianping Zheng, Dianyuan Wang
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
In this paper, a seven-stage high pressure centrifugal pump for water injection was taken as the research object. The steady state full flow field was numerically simulated by unstructured grid and Renormalization Group (RNG) k - ε turbulence model,
Externí odkaz:
https://doaj.org/article/60b21983a4cc4be096b96da88750d29f
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 3064-3074 (2020)
Uniform experimental design method is applied to the slow strain rate testing of X12Cr13 stainless steel in natural gas environment. The influence of H2S concentration, CO2 concentration, ambient temperature and pressure on stress corrosion susceptib
Externí odkaz:
https://doaj.org/article/817826d1417a4d0c8d9908560837bf4b
Publikováno v:
Journal of Materials Research and Technology, Vol 9, Iss 3, Pp 3230-3240 (2020)
The fatigue test was carried out by simplified lifting method, and the fatigue characteristic curve of X12Cr13 stainless steel at stress ratio of R = 0.1 was plotted at a single point, with the result that the fatigue strength is about 0.5 times the
Externí odkaz:
https://doaj.org/article/219ec81a56964f6d9f3554f9a449b326
Autor:
Xun Sun, Ze Yang, Xuesong Wei, Yang Tao, Grzegorz Boczkaj, Joon Yong Yoon, Xiaoxu Xuan, Songying Chen
Publikováno v:
Ultrasonics Sonochemistry, Vol 80, Iss , Pp 105771- (2021)
Hydrodynamic cavitation (HC) has been widely considered a promising technique for industrial-scale process intensifications. The effectiveness of HC is determined by the performance of hydrodynamic cavitation reactors (HCRs). The advanced rotational
Externí odkaz:
https://doaj.org/article/0a7a114d20404f95af97be375baa8186
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
The distribution and characteristics of internal flow field of the impeller with crack damage in service environment was investigated via numerical simulation with RNG k-ε turbulence model. The diffuser and volute are added based on the original imp
Externí odkaz:
https://doaj.org/article/6bcb2bfabf1a4bb58f94a43401214e0b
Publikováno v:
Results in Physics, Vol 12, Iss , Pp 1285-1290 (2019)
The blending effect of gasoline is numerically simulated with different angles of nozzles and rotation speeds based on a rotary jet mixing (RJM) system. The outlet of the RJM system might destroy the components of gasoline, therefore an extra compone
Externí odkaz:
https://doaj.org/article/68dc7da567f64f9abe2f3837059f7683
Publikováno v:
Results in Physics, Vol 12, Iss , Pp 118-123 (2019)
Tensile failure process of plane specimens and unilateral V-notched specimens is simulated basing on cohesive zone model (CZM). The internal stress in corrosion scales and film-induced stress in matrix increases with the increase of corrosion scale t
Externí odkaz:
https://doaj.org/article/6122438e0aeb4488b02352e5c3da29db
Publikováno v:
Entropy, Vol 24, Iss 7, p 923 (2022)
The energy loss of the multi-stage centrifugal pump was investigated by numerical analysis using the entropy generation method with the RNG k-ε turbulence model. Entropy generation due to time-averaged motion and velocity fluctuation was mainly cons
Externí odkaz:
https://doaj.org/article/8af5785e4e2f42beb44134d7e302bb82
Autor:
Xun Sun, Zhengquan Wang, Xiaoxu Xuan, Li Ji, Xuewen Li, Yang Tao, Grzegorz Boczkaj, Shan Zhao, Joon Yong Yoon, Songying Chen
Publikováno v:
Ultrasonics Sonochemistry, Vol 73, Iss , Pp 105543- (2021)
Hydrodynamic cavitation is a promising technique for water disinfection. In the present paper, the disinfection characteristics of an advanced hydrodynamic cavitation reactor (ARHCR) in pilot scale were studied. The effects of various flow rates (1.4
Externí odkaz:
https://doaj.org/article/c100fbffa4044631b9860bc0b678f890