|
|
|
|
|
Catharina Moreira, Nikolai Herzog and Christian Breitsamter
Recent developments in electrical Vertical Take-off and Landing (eVTOL) vehicles show the need for a better understanding of transient aero-mechanical propeller loads for non-axial inflow conditions. The variety of vehicle configurations conceptualized w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fabio Licheri, Tiziano Ghisu, Francesco Cambuli and Pierpaolo Puddu
An experimental investigation of the local flow field in a Wells turbine has been conducted, in order to produce a detailed analysis of the aerodynamic characteristics of the rotor and support the search for optimized solutions. The measurements were con...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jianye Yang, Jun Yan, Yan Zhao, Jinlong Chen and Heng Jin
This paper focuses on the hydrodynamic interaction between the large floating body and a small transfer platform in a jettyless floating transfer system. A high-order boundary-element method combined with a direct time-domain-solution method to calculate...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xufei Yan, Ye Yuan and Renliang Chen
This paper studies the pilot control strategy and workload of a tilt-rotor aircraft dynamic conversion procedure between helicopter mode and fixed-wing mode. A nonlinear flight dynamics model of tilt-rotor aircraft with full flight modes is established. ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Siddharth Gupta, Atul Sharma, Amit Agrawal, Mark C. Thompson and Kerry Hourigan
In the present two-dimensional numerical study, we investigate the roles of geometrical parameters of a hydrofoil (shape/curvature of the leading and trailing edges and thickness) and kinematic parameters (phase difference between heave and pitch (&#...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xinglu Xia, Dongli Ma, Liang Zhang, Xing?an Liu and Keran Cong
With the rapid development of vertical takeoff and landing (VTOL) aircraft, the blade design of a propeller suitable for VTOL aircraft with a wide range of operating conditions has become a challenging and popular task. This paper proposes a multi-object...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pan Zhou, Renliang Chen, Ye Yuan and Cheng Chi
The aerodynamic interference between the different components of quad-tiltrotor (QTR) aircraft were considered to analyze its influence on trim characteristics. A comprehensive method with the fixed-wake model was developed for multiple aerodynamic inter...
ver más
|
|
|
|
|
|
|
|
|
|
|
Aleksander Suti, Gianpietro Di Rito and Roberto Galatolo
The reliability enhancement of electrical machines is one of the key enabling factors for spreading the full-electric propulsion to next-generation long-endurance UAVs. This paper deals with the fault-tolerant control design of a Full-Electric Propulsion...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dimitris Ntouras, George Papadakis and Kostas Belibassakis
Flapping foils for augmenting thrust production have drawn attention as a means of assisting ship propulsion in waves due to their high efficiency rate compared to traditional screw propellers. However, they can also offer substantial resistance reductio...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chenyang Zhu, Tomaso Gaggero, Nicholas C. Makris and Purnima Ratilal
The time-dependent spectral characteristics of underwater sound radiated by an ocean vessel has complex dependencies on ship machinery, propeller dynamics, hydrodynamics of ship exhaust and motion, as well as ship board activities. Here the underwater so...
ver más
|
|
|
|
|
|