The NATO generic destroyer–a shared geometry for collaborative research into modelling and simulation of shipboard helicopter launch and recovery

I Owen, R Lee, A Wall, N Fernandez - Ocean Engineering, 2021 - Elsevier
The helicopter-ship dynamic interface is the environment above the landing deck of a ship
where a helicopter pilot has to control the aircraft while contending with a moving deck and …

Space-time characterization of ship airwakes

N Zhu, Z Zhang, E Gnanamanickam… - AIAA Journal, 2023 - arc.aiaa.org
The turbulent airwakes produced by a generic navy frigate (Simple Frigate Ship 2) was
investigated in a low-speed wind tunnel. The frigate model was subjected to a headwind …

[HTML][HTML] Heat transfer improvement in a double backward-facing expanding channel using different working fluids

T Abdulrazzaq, H Togun, H Alsulami, M Goodarzi… - Symmetry, 2020 - mdpi.com
This paper reports a numerical study on heat transfer improvement in a double backward-
facing expanding channel using different convectional fluids. A finite volume method with the …

Turbulent heat transfer and nanofluid flow in an annular cylinder with sudden reduction

T Abdulrazzaq, H Togun, M Goodarzi, SN Kazi… - Journal of Thermal …, 2020 - Springer
Turbulent heat and fluid flow of a nanofluid in an annulus with sudden area reduction are
numerically and experimentally studied. Two different nanofluids are considered …

Estimation of 3D ship airwakes using dual-plane PIV

N Zhu, Z Zhang, EP Gnanamanickam… - Experiments in Fluids, 2024 - Springer
A high-speed, dual-plane, stereoscopic particle image velocimetry technique was
complemented by a flow estimation method to construct three-dimensional Simple Frigate …

Assessment of URANS, SAS, and IDDES on the bi-stable wake flow of a generic ship

J Zhang, F Gidado, A Adamu, K He, S Krajnović… - Ocean …, 2023 - Elsevier
The present study aims to assess the prediction ability of URANS (unsteady Reynolds-
averaged Navier-Stokes), SAS (scale-adaptive simulation), and IDDES (improved delayed …

[HTML][HTML] Large eddy simulation of ship airflow control with steady Coanda effect

K Xu, X Su, R Bensow, S Krajnovic - Physics of Fluids, 2023 - pubs.aip.org
This paper numerically studies the steady Coanda effect for drag reduction and airwake
manipulations on the Chalmers ship model (CSM) using large eddy simulation with wall …

[HTML][HTML] Drag reduction of ship airflow using steady Coanda effect

K Xu, X Su, R Bensow, S Krajnovic - Ocean Engineering, 2022 - Elsevier
This paper studies the steady Coanda effect for reducing the aerodynamic drag of the
Chalmers ship model (CSM) using Large Eddy Simulation (LES) with Wall-Adapting Local …

Simulation of SFS2 using embedded LES: part-II understanding the asymmetry in bistable airwake at zero yaw

SQ Zaheer, PJ Disimile - Ocean Engineering, 2023 - Elsevier
The turbulent flow field of simplified frigate model SFS2 is numerically studied using an
embedded Large Eddy Simulation (ELES) turbulence model in Ansys Fluent® 19.0 …

Yaw effect on bi-stable air-wakes of a generic ship using large eddy simulation

J Zhang, G Minelli, B Basara, R Bensow, S Krajnović - Ocean Engineering, 2021 - Elsevier
An LES (large eddy simulation) investigation at R e= 8× 1 0 4 has been conducted to predict
the flow past a simplified frigate shape model at yaw, of which the stern is analogous to a …