Zobrazeno 1 - 10
of 21 502
pro vyhledávání: '"Impeller"'
Publikováno v:
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 8, Iss 3, Pp 36-45 (2024)
The issues of evaluating the technical and economic prospects for the use of gas pumping units with single-stage centrifugal compressors with an axial suction nozzle, created on the basis of high-pressure stages with axial impellers and an adjustab
Externí odkaz:
https://doaj.org/article/5972070608d9455cad9ed5b954e2efb7
Autor:
A. F. Sarmanaeva, N. V. Sokolov, O. Yu. Paranina, V. V. Kuzovov, Yu. V. Sidorova, I. S. Davletshin, I. N. Lotfullin, M. V. Korshunov
Publikováno v:
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 8, Iss 3, Pp 53-60 (2024)
A significant part of the compressor fleet in Russia consists of foreign-made centrifugal and screw compressors, which, with operating time and depreciation, require repair according to regulations or modernization due to changed technological oper
Externí odkaz:
https://doaj.org/article/62a7f6b8ef824e2091bbd861581f14a9
Publikováno v:
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение", Vol 8, Iss 3, Pp 69-79 (2024)
The paper presents an analysis of semi-open centrifugal impellers of a three-stage multi-shaft compressor. A 3D-scanning of the geometry of the impellers is carried out, a CFD calculation is carried out at the design operating mode of the compresso
Externí odkaz:
https://doaj.org/article/a2c587124c5945f98ddc22eaf4e0c6ad
Publikováno v:
Advances in Sciences and Technology, Vol 18, Iss 8, Pp 142-155 (2024)
The paper presents the results of research on a patented, new mixer design with a large blade pitch (p/D ≥ 2) operating in a double-sided open diffuser positioned eccentrically in a water tank for various conditions. Mixing was carried out in the t
Externí odkaz:
https://doaj.org/article/1ef9ab7b077646da9f7ed44a611b9671
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:
Meitan xuebao, Vol 49, Iss 6, Pp 2728-2740 (2024)
With the urgent need of energy saving and consumption reduction in today's world, the topic of increasing the energy conversion efficiency of ventilation fans has been attracted a lot of attentions, it has become a key issue in the field of ventilati
Externí odkaz:
https://doaj.org/article/315ba76073a44296be320c0f1ee0e13f
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Multi-grain hole-forming sowing and uniform hole spacing are important agronomic requirements for precise hole-direct seeding of rice.This paper designs a kind of impeller type seed guiding device. The main structural parameters of the impel
Externí odkaz:
https://doaj.org/article/10eda8f3e4b046448b6cbeb9bf554b8a
Publikováno v:
Engineering Science and Technology, an International Journal, Vol 57, Iss , Pp 101814- (2024)
As a high-performance workpiece, an impeller must ensure both dimensional accuracy and aerodynamic performance. A five-axis machine tool has various geometric errors, which seriously influence the impeller processing quality, hence it is crucial to i
Externí odkaz:
https://doaj.org/article/b11641c85b43433f92188eac544aa622
Publikováno v:
Grey Systems: Theory and Application, 2023, Vol. 14, Issue 2, pp. 283-298.
Externí odkaz:
http://www.emeraldinsight.com/doi/10.1108/GS-07-2023-0067
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 17, Iss 7, Pp 1470-1484 (2024)
Stall, a complex flow phenomenon in centrifugal pump, plays a crucial role in pump safety and stability under part-load conditions. In this paper, a verified numerical simulation method is employed to analyze the three-dimensional flow field under th
Externí odkaz:
https://doaj.org/article/8a94070459334866b2557cf8d8e42ee6