Numerical investigation of the aerodynamic interaction between a tiltrotor and a tandem rotor during shipboard operations

JF Tan, TY Zhou, YM Sun, GN Barakos - Aerospace Science and …, 2019 - Elsevier
Complex rotorcraft-to-rotorcraft interference problems occur during shipboard operations,
and have a negative impact on safety. A vortex-based approach is used here to investigate …

Numerical study of helicopter rotors in a ship airwake

C Crozon, R Steijl, GN Barakos - Journal of Aircraft, 2014 - arc.aiaa.org
Operating helicopters in a naval environment is challenging because it imposes a pilot
workload significantly higher than that during land-based operations. The aerodynamic …

Coupled flight dynamics and CFD–demonstration for helicopters in shipborne environment

C Crozon, R Steijl, GN Barakos - The Aeronautical Journal, 2018 - cambridge.org
The development of high-performance computing and computational fluid dynamics
methods have evolved to the point where it is possible to simulate complete helicopter …

Forces on obstacles in rotor wake-A GARTEUR Action Group

A Visingardi, DG Fabrizio, T Schwarz… - Proceedings of the 43rd …, 2017 - elib.dlr.de
The paper describes the objectives and the structure of the GARTEUR Action Group HC/AG-
22 project which deals with the basic research about the forces acting on obstacles when …

Analysis of the loads acting on the rotor of a helicopter model close to an obstacle in moderate windy conditions

D Zagaglia, A Zanotti, G Gibertini - Aerospace Science and Technology, 2018 - Elsevier
The present paper describes an experimental investigation of the loads acting on a rotor
when it interacts with a simplified cuboid obstacle, representing a low-rise building, in …

Experimental investigation on the aerodynamic interaction between a helicopter and ground obstacles

G Gibertini, D Grassi, C Parolini… - Proceedings of the …, 2015 - journals.sagepub.com
In this study, experiments were performed to investigate the aerodynamic interaction
between a helicopter and ground obstacles. A new experimental set-up was realised and …

Actuator Surface Modeling of Rotors at the Ship–Helicopter Dynamic Interface

D Linton, B Thornber - Journal of Aircraft, 2024 - arc.aiaa.org
The aerodynamics of the ship–helicopter dynamic interface play an important role in
determining ship–helicopter operating limits. A review of prior studies, in conjunction with …

[HTML][HTML] 多机起降旋翼间气动干扰数值模拟研究

牛嵩, 田旭, 徐宝石, 胡偶 - 南京航空航天大学学报, 2018 - jnuaa.nuaa.edu.cn
以多架直升机近距离起降为研究背景, 采用基于运动嵌套网格技术的计算流体力学(
Computational fluid dynamics, CFD) 方法开展旋翼间的气动干扰研究, 重点分析了旋翼间距和 …

CFD modeling of tiltrotor shipboard aerodynamics with rotor wake interactions

R Narducci, F Jiang, J Liu, R Clark - 27th AIAA Applied Aerodynamics …, 2009 - arc.aiaa.org
A= rotor disk area, πR2 CT= rotor thrust coefficient, T/(ρ∞(ΩR) 2A) OAT= outside air
temperature R= rotor radius T= rotor thrust Vtip= blade tip speed, ΩR V∞= free stream …

Investigation of the rotor–obstacle aerodynamic interaction in hovering flight

D Zagaglia, M Giuni, RB Green - Journal of the American …, 2018 - ingentaconnect.com
In this paper, a comprehensive experimental survey of the aerodynamic interaction of a
hovering rotor in the proximity of a ground obstacle is described, taking advantage of …