Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Knížat Branislav"'
Publikováno v:
MATEC Web of Conferences, Vol 383, p 00004 (2023)
Precise evaluation and anticipation of the radial and axial force loads acting on the impeller of a spiral casing pump are essential to ensure that the pump operates efficiently and dependably. This study presents an experimental system for measuring
Externí odkaz:
https://doaj.org/article/0a1f8512b4c0456eba70d54e02977c3e
Publikováno v:
MATEC Web of Conferences, Vol 383, p 00013 (2023)
The development of hydraulic parts of a compressor is based on a simplified flow model (often one-dimensional), the methodology of which is externally supported by CFD simulations. The designed geometry is then verified on a scaled model using a diff
Externí odkaz:
https://doaj.org/article/2cf6fe5d8f224733b0499e5f85eaee3d
Publikováno v:
MATEC Web of Conferences, Vol 383, p 00016 (2023)
The presented paper describes a method for detecting compressor stall precursors in a measured pressure signal using procedures arising from the chaos theory. The experiment was carried out on a scaled-down model of a compressor used in natural gas t
Externí odkaz:
https://doaj.org/article/5ce2eb28e92642d38f2e8aed99dae511
Publikováno v:
MATEC Web of Conferences, Vol 369, p 02006 (2022)
Changing the impeller diameter is a frequently used method for adjusting pump performance parameters. In the case of conventional multi-blade impellers, this is done by reducing the diameter on the machine tool to the prescribed shape. The other dime
Externí odkaz:
https://doaj.org/article/495be01b40e54ec1a693d90e325a543b
Publikováno v:
MATEC Web of Conferences, Vol 369, p 05003 (2022)
This paper presents an approach to the use of the PIV method in the diagnosis of sprays generated by an effervescent atomiser. Due to the different density of the liquid phase depending on the distance from the nozzle, problems arise with the correct
Externí odkaz:
https://doaj.org/article/fc22c09dee784031a097ffcfc9fdefa8
Publikováno v:
MATEC Web of Conferences, Vol 369, p 04002 (2022)
Computational fluid dynamics (CFD) is becoming a widely used tool in the industrial fields. Experimental methods are expensive and time-consuming and CFD is a suitable substitute. In order to investigate the accuracy between the two methods, the radi
Externí odkaz:
https://doaj.org/article/fa6b1dd2876741cdae0ee28a17ac0135
Autor:
Világi František, Knížat Branislav, Olšiak Róbert, Mlkvik Marek, Mlynár Peter, Ridzoň František, Urban František
Publikováno v:
MATEC Web of Conferences, Vol 328, p 01009 (2020)
The natural circulation helium loop is an experimental facility designed for the research of the possibility of utilizing natural convection cooling for the case of decay heat removal from a fast nuclear reactor. This concept would bring an improved
Externí odkaz:
https://doaj.org/article/2bbd5a31432746c19d8f7798fce02ec2
Publikováno v:
MATEC Web of Conferences, Vol 328, p 02009 (2020)
Impeller trimming is a key impeller modification. It allows the best efficiency point (BEP) to be moved towards the region of lower flowrate and height, thus optimizing pump performance for specific piping systems. The paper deals with prediction of
Externí odkaz:
https://doaj.org/article/9a213bcaa9f54e9887b827bdf867ceb7
Autor:
Vach Matej, Knížat Branislav, Mlkvik Marek, Olšiak Róbert, Urban František, Ridzoň František, Mlynár Peter
Publikováno v:
MATEC Web of Conferences, Vol 328, p 03009 (2020)
This paper deals with the one-dimensional unsteady fluid flow model of the natural circulation loop. The presented model represents the experimental facility Helium Loop STU which is the physical model of an emergency coolant system of a nuclear reac
Externí odkaz:
https://doaj.org/article/0ddf579464ad43859849fc31792004bf
Publikováno v:
MATEC Web of Conferences, Vol 168, p 03001 (2018)
Single-blade centrifugal pumps with a screw-shaped blade are perspective hydraulic machines with possible usage in many areas. According to the non-symmetrical impeller shape, mechanical properties, resulting from a dynamic balancing, are not fulfill
Externí odkaz:
https://doaj.org/article/3ceec53819d94711bc7a0efeb5e9ccea