Zobrazeno 1 - 9
of 9
pro vyhledávání: '"D. M. Bucur"'
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 12, Iss 5, Pp 1449-1461 (2019)
This paper investigates the accuracy of Reynolds-averaged Navier-Stokes (RANS) turbulence modelling applied to complex industrial applications. In the context of the increasing instability of the energy market, hydropower plants are frequently workin
Externí odkaz:
https://doaj.org/article/fc433cdc264847a48a4dc03fb55dca5d
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 10, Iss 1, Pp 11-20 (2017)
Pressurized pipeline systems may have a wide operating regime. This paper presents the experimental analysis of the transient flow in a horizontal pipe containing an air pocket, which allows the ventilation of the air after the pressurization of the
Externí odkaz:
https://doaj.org/article/47df3275534749b8a8cc7cc5357fe5e2
Publikováno v:
Journal of Applied Fluid Mechanics, Vol 9, Iss 5, Pp 2427-2434 (2016)
The paper presents a new method for in site discharge estimation in pressured pipes. The method consists in using the water hammer equations solved with the method of characteristics with an unsteady friction factor model. The differential pressure h
Externí odkaz:
https://doaj.org/article/5d1f2ff872c6475aa01d7c0e885b2515
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1079:012087
The paper focuses on implementing the wall model developed by Manhart, in Reynolds Averaged Navier - Stokes (RANS) turbulence models used in the field of Computational Fluid Dynamics (CFD). This wall model considers the influence of the streamwise pr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2eb72963497c9c97f87a9edcb50a03c4
https://doi.org/10.1088/1755-1315/1079/1/012087
https://doi.org/10.1088/1755-1315/1079/1/012087
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1079:012020
In the present paper the prototypes of small axial hydro-kinetic turbines are designed, built and tested in laboratory conditions in order to demonstrate their operability. The hydrokinetic turbine prototypes have a 0.2 m tip diameter, three blades a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa13f28149bb5dc6317f04dbddf366e5
https://doi.org/10.1088/1755-1315/1079/1/012020
https://doi.org/10.1088/1755-1315/1079/1/012020
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 1079:012049
The paper presents the numerical simulations of the flow inside the draft tube of Francis-99 turbine at the part load (PL) operating condition. The rotating vortex rope (RVR) is a phenomenon that occurs during the PL operating regime inside the draft
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::afe9d48ad2741d22476e0d3457d008b9
https://doi.org/10.1088/1755-1315/1079/1/012049
https://doi.org/10.1088/1755-1315/1079/1/012049
Publikováno v:
IOP Conference Series: Earth and Environmental Science. 12:012112
This paper analyzes the free surface level variation in the surge tank and in the secondary shafts of a complex hydro electrical scheme with two headraces and four secondary intakes. An analysis of the transient operating regimes of the hydropower pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fb1a56a03f8a000ca1764704b871003
https://doi.org/10.1088/1755-1315/12/1/012112
https://doi.org/10.1088/1755-1315/12/1/012112
Publikováno v:
IOP Conference Series: Earth & Environmental Science; Mar2019, Vol. 240 Issue 2, p1-1, 1p
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