Experimental study of the hydrodynamic maneuvering coefficients for a BB2 generic submarine using the planar motion mechanism

DH Kim, Y Kim, HM Baek, YM Choi, YJ Kim, H Park… - Ocean …, 2023 - Elsevier
In this study, a series of captive model tests were conducted to obtain the reference dataset
of hydrodynamic coefficients and experimental data for the BB2 generic submarine model …

Nose shape effect on the visualized flow field around an axisymmetric body of revolution at incidence

A Saeidinezhad, AA Dehghan… - Journal of …, 2015 - Springer
The flow over an axisymmetric body of revolution at incidence angle is investigated to
explore the nature of complex vortical flow structures around it. The crossflow pressure …

Effect of vortex generators on hydrodynamic behavior of an underwater axisymmetric hull at high angles of attack

MD Manshadi, K Hejranfar, AH Farajollahi - Journal of Visualization, 2017 - Springer
Underwater vehicles when yawed to free stream flow, like submarines in a turning
maneuver, produce large vortical separated regions. This vortical flow affects acoustic, body …

Experimental investigation on roll stability of blunt-nose submarine in buoyantly rising maneuvers

S Zhang, H Li, Y Pang, Q Chen, P Yan - Applied Ocean Research, 2018 - Elsevier
The roll stability of submarine buoyantly rising is investigated by means of kinematics model
test in this paper. The physical model design, similarity criteria and experimental procedures …

Experimental investigation of the wake of a submarine model by five-hole probe in a wind tunnel.

MD Manshadi, S Esfandeh… - Modares …, 2015 - search.ebscohost.com
In present study, the wake flow field of a submarine model was investigated experimentally
in a wind tunnel. These experiments were conducted in four different locations X/L= 0.85, 1 …

Experimental study on the drag coefficient and flow structure of an axially symmetric model and factors affecting it, in wind tunnel

S Esfandeh, A Khorasani Safar… - Modares Mechanical …, 2016 - mme.modares.ac.ir
The present study was done to evaluate the effect of parameters like trip strip installation,
free stream velocity, geometry of model nose (SUBBOF nose and DRDC nose) and putting …

Numerical and Experimental Investigation of Hydrodynamic Behavior of a Horseshoe Vortex around sail

M Dehghan Manshadi, K Hejranfar… - Journal of Marine …, 2017 - marine-eng.ir
The horseshoe vortex generated around the sail-body junction of a submarine has an
important influence on the uniformity of the submarine wake at the propeller and …

Experimental Investigation of the Vortex Flow around an Axisymmetric Body with the Five-Hole Probe and Hot Wire Probe

MD Manshadi, K Hejranfar - 2020 - researchsquare.com
Anaxisymmetric body experiences the vertical flow around itself at incidence angle. If the
adverse pressure gradient is significant, the boundary layers separated and a vortex is …

Numerical Simulation of the Unsteady Wake Flow around a Marine Propeller Using URANS Model

MR Nazari, M Dehghan Manshdi - Modares Mechanical …, 2017 - mme.modares.ac.ir
The flow field investigation around marine propellers is of great importance, due to its
applications in vessels identification and hydrodynamic noise prediction. In the present …

[PDF][PDF] کجرب فارطا یبسا لعن هبادرگ یکیمانیدوردیه راتفر یبرجت و یددع یسررب

MD Manshadi, K Hejranfar, AH Farajollahi - sid.ir
The horseshoe vortex generated around the sail-body junction of a submarine has an
important influence on the uniformity of the submarine wake at the propeller and …