Zobrazeno 1 - 10
of 55
pro vyhledávání: '"Imine Omar"'
Autor:
Boucetta Djahida, Imine Omar
Publikováno v:
Brodogradnja, Vol 68, Iss 1, Pp 107-123 (2017)
In the present paper, a numerical simulation based on Kω-SST turbulence model has been carried out to determine the tandem propeller hydrodynamic characteristics in non-cavitating viscous flow by using the commercial code Fluent. As the first step,
Externí odkaz:
https://doaj.org/article/04043ba915424045917bceb8f266aa50
Publikováno v:
Brodogradnja, Vol 67, Iss 4, Pp 31-48 (2016)
The present paper deals with the effect of the geometric characteristics on the propeller hydrodynamic performances. Several propeller configurations are created by changing number of blades, expanded area and pitch ratios. The Reynolds-Averaged Navi
Externí odkaz:
https://doaj.org/article/05a58bb1de014a8fa4c3538efe37e462
Publikováno v:
EPJ Web of Conferences, Vol 92, p 02001 (2015)
Accurate simulation of turbulent free surface flows around surface ships has a central role in the optimal design of such naval vessels. The flow problem to be simulated is rich in complexity and poses many modeling challenges because of the existenc
Externí odkaz:
https://doaj.org/article/20fbb2df0302420bb8b125cde1655e68
Publikováno v:
EPJ Web of Conferences, Vol 92, p 02005 (2015)
This paper presents the results of measurements and numerical predictions of turbulent cross-flow through an in-line 7×7 bundle configuration with a constant transverse and longitudinal pitch-to-diameter ratio of 1.44. The experiments are conducted
Externí odkaz:
https://doaj.org/article/831d71b56d784556b67e2b2804330a0a
Autor:
Miloud Abdelkrim, Aounallah Mohammed, Belkadi Mustapha, Adjlout Lahouari, Imine Omar, Imine Bachir
Publikováno v:
EPJ Web of Conferences, Vol 67, p 02075 (2014)
Turbulent flows through a circular 180° curved bend with a curvature ratio of 3.375, defined as the the bend mean radius to pipe diameter is investigated numerically for a Reynolds number of 4.45×104. The computation is performed for a U-Bend with
Externí odkaz:
https://doaj.org/article/8d08b9741def4577a63dd66730323ba4
Publikováno v:
EPJ Web of Conferences, Vol 25, p 01104 (2012)
In this present work, the CFD and wind tunnel are used to investigate the effect of an external vortex around an UAV in order to obtain initial estimates of lift and drag coefficients with flow velocity of 30 meters per second for various angles of a
Externí odkaz:
https://doaj.org/article/39b8259778a14081a079e0e774b965e3
Publikováno v:
EPJ Web of Conferences, Vol 25, p 01044 (2012)
In the present paper an experimental and a numerical simulation of the turbulent flow in an in-line tube bundles have been performed. The experiments were carried out using a subsonic wind tunnel. The pressure distributions along the tubes (22 circum
Externí odkaz:
https://doaj.org/article/11b70254eb4148e185d9c5d6ded15a1e
Publikováno v:
In European Journal of Mechanics / B Fluids March-April 2016 56:82-96
Autor:
Dokkar, Boubekeur, Negrou, Belkhir, Settou, Noureddine, Imine, Omar, Chennouf, Nasreddine, Benmhidi, Abdsslem
Publikováno v:
In Energy Procedia 2013 36:798-807
Publikováno v:
Journal of Marine Science & Application; Jun2023, Vol. 22 Issue 2, p273-283, 11p