Zobrazeno 1 - 10
of 230
pro vyhledávání: '"CUI Dai"'
Autor:
Lei Chen, Liang Dong, Zhi-Cai Wu, Chuan-Han Fan, Wei-Hua Shi, Hong-Gang Li, Ru-Nan Hua, Cui Dai
Publikováno v:
Heliyon, Vol 10, Iss 16, Pp e36170- (2024)
To address rotor imbalance and misalignment in oil transfer pumps, an innovative diagnostic framework using Residual Network (ResNet) is proposed. The model incorporates advanced signal processing algorithms and strategic sensor placement to enhance
Externí odkaz:
https://doaj.org/article/9ddcd623cd4d4758b6014eda6dadd18c
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 4, Pp 1507-1517 (2023)
Centrifugal pumps are a crucial part of nuclear power plants, and their dependable and safe operation is crucial to the security of the entire facility. Cavitation will cause the centrifugal pump to violently vibration with the large number of vacuol
Externí odkaz:
https://doaj.org/article/34e117c94d524a3b9ccb13fbabd5f7c9
Publikováno v:
发电技术, Vol 44, Iss 1, Pp 18-24 (2023)
In order to achieve clean heating and reduce the rate of abandoned wind, the northern region has invested in various heat storage devices, especially the large-capacity heat storage devices invested by thermal power plants to improve adjustment flexi
Externí odkaz:
https://doaj.org/article/46cde882c5dc4c32989ef97c28f56876
Publikováno v:
Advances in Mechanical Engineering, Vol 13 (2021)
The hydraulic and acoustic performance of centrifugal pump is closely related to hydraulic structure parameters, and they are contradictory. In order to solve this contradiction, this paper introduces the pit bionic structure, and proposes an optimiz
Externí odkaz:
https://doaj.org/article/7f4b1f6ceb0142b2a2cbc13c80267d57
Publikováno v:
Advances in Mechanical Engineering, Vol 11 (2019)
In order to reveal the gas–liquid two-phase flow pattern of inverted-umbrella aerator, the high-speed photography technology, particle image velocimetry, and Volume of Fluid model are employed to capture the free-surface dynamics and velocity distr
Externí odkaz:
https://doaj.org/article/5c4c03c3b9ff43a2b797b12dd2c598e9
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
Cavitation detection is particularly essential for operating efficiency and stability of pumps. In this work, to improve the accuracy and efficiency of identification, an approach combining wavelet packet decomposition (WPD) with principal component
Externí odkaz:
https://doaj.org/article/1313e97252be4a27bfae4dc38752d0c7
Publikováno v:
Shock and Vibration, Vol 2019 (2019)
This paper presents an experimental methodology that is capable of sensitively detecting the cavitation inception in a centrifugal pump. Firstly, with a centrifugal pump of ns=117 as research object, the cavitation performance, the bubble pattern dis
Externí odkaz:
https://doaj.org/article/b01aac584bb24ec08486f68a0e53282b
Publikováno v:
Journal of Marine Science and Engineering, Vol 9, Iss 3, p 274 (2021)
In order to study the vibration mechanism of a marine centrifugal pump unit and explore the contribution of vibration caused by different vibration excitation sources, a marine centrifugal pump with a specific speed of 66.7 was used for research. A n
Externí odkaz:
https://doaj.org/article/6be87d64eeac434483d06be859df02fe
Publikováno v:
Sensors, Vol 21, Iss 3, p 886 (2021)
The strong noise generated during the operation of the centrifugal pump harms the pump group and people. In order to decrease the noise of the centrifugal pump, a specific speed of 117.3 of the centrifugal pump is chosen as a research object. The bio
Externí odkaz:
https://doaj.org/article/efc5179de215438b87001f94db04f708
Publikováno v:
Symmetry, Vol 12, Iss 8, p 1252 (2020)
The existing definition method of filter grid scale in a Detached Eddy Simulation (DES) hybrid model is unreasonable, which will lead to the unreasonable trigger of a boundary layer large eddy simulation and reduce computational efficiency. In view o
Externí odkaz:
https://doaj.org/article/6406aa8b51e64c77a0bf9e10502b4454