Zobrazeno 1 - 10
of 1 790
pro vyhledávání: '"Axial flow pump"'
Autor:
A. R. Al-Obaidi, J. Alhamid
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 18, Iss 1, Pp 16-31 (2024)
Cavitation, defined by the formation and collapse of vapor bubbles in a liquid, presents a significant challenge to the reliable operation of axial pumps. Timely detection of cavitation is essential for preventing damage and optimizing pump performan
Externí odkaz:
https://doaj.org/article/ac1b5f2cab73422c8f55d1cb0a001284
Autor:
Jun Nakata, Hiroyuki Ohbe, Toru Takiguchi, Yuji Nishimoto, Mikio Nakajima, Yusuke Sasabuchi, Toshiaki Isogai, Hiroki Matsui, Takeshi Yamamoto, Shoji Yokobori, Kuniya Asai, Hideo Yasunaga
Publikováno v:
Annals of Intensive Care, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Background The micro-axial flow pump Impella, a new mechanical circulatory device for cardiogenic shock, is still only available in a limited number of hospitals, due to the facility certification requirements and insufficient evidence of th
Externí odkaz:
https://doaj.org/article/a29d4e0a137b4863b9e5607c8f895025
Publikováno v:
Alexandria Engineering Journal, Vol 99, Iss , Pp 180-195 (2024)
To explore the structural dynamic characteristics of the impeller and shaft system of the axial flow pump as turbine, the variation law of impeller transient equivalent stress, deformation, and the impeller and shaft system mode are analyzed by the t
Externí odkaz:
https://doaj.org/article/2bfdfe8f2a2149c79ba7b9f8f5b80846
Publikováno v:
Alexandria Engineering Journal, Vol 99, Iss , Pp 83-107 (2024)
Pumps play a crucial role in various applications, and this study employs the CFD method to simulate the internal flow of an axial pump. Utilizing a three-dimensional model with real clearances, our investigation focuses on the pump's internal flow a
Externí odkaz:
https://doaj.org/article/6bd0ce44f8df40cbab2fdc5b8722b01e
Publikováno v:
水下无人系统学报, Vol 32, Iss 1, Pp 130-138 (2024)
For the axial flow pumps water-jet propulsion system of undersea vehicles, the high specific speed axial flow pump designed by the lift method fails to work under shallow water and high-speed conditions at present. Therefore, this study put forward a
Externí odkaz:
https://doaj.org/article/8e01bc8ea26a4eed9cb1c0517101a0be
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 16, Iss 10, Pp 1927-1937 (2023)
The mixing of oil and gas forms the foundation of deep-sea oil and gas extraction and transportation. However, traditional conveying equipment has low efficiency and high failure rates. In this study, a spiral axial flow gas and liquid multiphase pum
Externí odkaz:
https://doaj.org/article/5d987df438a841a9a274021556269f48
Publikováno v:
Energy Science & Engineering, Vol 11, Iss 6, Pp 2013-2038 (2023)
Abstract The unsteady three‐dimensional numerical simulation calculation of the vertical axial flow pump device is performed based on CFD to examine the pressure pulsation and energy distribution features of the water flow within the siphon outlet
Externí odkaz:
https://doaj.org/article/296bc0d0391d4eedb36397e4f3124892
Publikováno v:
Water, Vol 16, Iss 10, p 1428 (2024)
Due to the existence of an inlet elbow, transmission shaft, and other structural components, the inflow of axial-flow pumps as turbines (PATs) becomes non-uniform, resulting in the complexity of internal flow and adverse effects such as structural vi
Externí odkaz:
https://doaj.org/article/0e7baa115c9841109914b0a4ccfbcdb6
Autor:
Wei Han, Xiang Yang, Jing Zhang, Mingzhen Xiao, Lumin Yan, Juping Zhou, Zhenye Gu, Shiqi Yang
Publikováno v:
Frontiers in Energy Research, Vol 11 (2023)
The oil–gas mixture pump significantly contributes to marginal oil field extraction and remote transportation of deep-sea oil. Nevertheless, during the operation of the mixture pump, it is inevitable to encounter problems like the separation of the
Externí odkaz:
https://doaj.org/article/02b5eab4c7a84523a7946497c7d5658b
Publikováno v:
Water, Vol 16, Iss 5, p 676 (2024)
In the field of pump impeller studies, tip leakage flow (TLF) and the resultant tip leakage vortex (TLV) significantly influence hydraulic efficiency, cavitation, and noise generation. This paper builds a novel square-cavity jet model combined with L
Externí odkaz:
https://doaj.org/article/91e5d3c2accd4aba8dc1848f8314db14