Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Milada Kozubková"'
Autor:
Josef DOBEŠ, Milada KOZUBKOVÁ
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 59, Iss 2, Pp 39-50 (2013)
The aim is to design and implement a procedure of numerical modelling of cavitation of working mixtures: wash-out water, ammonia water, ammonia water with an increased content of hydrogen sulphide and ammonia, tar condensate. The numeric modelling
Externí odkaz:
https://doaj.org/article/3864dd29524746d59067dcb9c9a2d527
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 58, Iss 1, Pp 57-66 (2012)
This contribution deals with the possibility of numerical modeling of fluid flow in horizontal pipes of circular cross section with boundary condition including the effect of wall partial wetting. ANSYS Fluent software was used for numerical modeling
Externí odkaz:
https://doaj.org/article/d20c1afe7a864584b2f155078c7ad2ad
The Influence of the Partial Surface Wetting on the Flow Field in a Pipe with Circular Cross-Section
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 57, Iss 1, Pp 267-274 (2011)
In this paper the study of laminar flow in a pipe with a slip boundary is presented. The influ-ence of the partial surface wetting on shear and velocity profile as well as pressure drop has been investigated numerically. Steady, isothermal, incompres
Externí odkaz:
https://doaj.org/article/0ff6bb04def9432fa7bdda7d86faf9ce
Autor:
Milada KOZUBKOVÁ, Jana RAUTOVÁ
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 57, Iss 1, Pp 187-194 (2011)
Problem of cavitation is the undesirable phenomena occuring in the fluid flow in many hydraulic application (pumps, turbines, valves, etc.). Therefore this is in the focus of interest using experimental and mathematical methods. Based on cavitation m
Externí odkaz:
https://doaj.org/article/01c5f10cdbad4e05a6b597003dc56b41
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 57, Iss 1, Pp 275-282 (2011)
The influence of the partial surface wetting on the flow field between the two coaxial cylinders, the inner of which rotates, has been investigated numerically. Wall boundary condition was modified to account for partial wettability based on the equ
Externí odkaz:
https://doaj.org/article/d897f88e31b840059df515baed9120cc
Publikováno v:
Transactions of the VŠB-Technical University of Ostrava, Mechanical Series, Vol 56, Iss 3 (2010)
Contribution presents experimental equipment applied for formation and evolution of cavitation in Laval nozzle. In detail the equipment design including nominated measurement of basic physical quantities as pressure and flow rate is described. The re
Externí odkaz:
https://doaj.org/article/c184e3693e6147108e3da03fd891beb0
Publikováno v:
THE PROCEEDINGS OF THE 5TH INTERNATIONAL CONFERENCE ON MARITIME EDUCATION AND TRAINING (The 5th ICMET) 2021.
Publikováno v:
Processes. 2021, vol. 9, issue 10, p. 1-16.
Processes, Vol 9, Iss 1832, p 1832 (2021)
Processes
Volume 9
Issue 10
Processes, Vol 9, Iss 1832, p 1832 (2021)
Processes
Volume 9
Issue 10
This paper deals with a mathematical modeling of flow stability of Newtonian and non-Newtonian fluids in the gap between two concentric cylinders, one of which rotates. A typical feature of the flow is the formation of a vortex flow, so-called Taylor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8da72800ed2d95f7f4bf7156e24b64d4
https://hdl.handle.net/11012/203338
https://hdl.handle.net/11012/203338
Publikováno v:
Processes, Vol 9, Iss 1936, p 1936 (2021)
Processes
Volume 9
Issue 11
Processes
Volume 9
Issue 11
Today, the correct understanding of the issue of oil and water cavitation is important due to the growing demands on working conditions in hydraulic systems (pressure and flow rate). This article deals with the measurement and subsequent mathematical
Autor:
Milada Kozubková, Jana Jablonská
Publikováno v:
MATEC Web of Conferences, Vol 328, p 03011 (2020)
When designing pipeline networks, the knowledge of loss coefficient respectively resistance coefficient when flowing through various types of fluids through hydraulic elements, e.g. control valves, which are often used in the engineering and energy i