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Konstantin Bantscheff and Christian Breitsamter
Considering aeroelastic effects plays a vital role in the aircraft design process. The construction of elastic wind tunnel models is a critical element in the investigation of occurring aeroelastic phenomena. However, the structural scaling between full-...
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Tomasz Goetzendorf-Grabowski and Agnieszka Kwiek
The article presents a study on the influence of aerodynamic model fidelity on dynamic characteristics. The Simulation and Dynamic Stability Analysis (SDSA) package was used to calculate the dynamic characteristics, using both eigenvalues (linearized mod...
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Kelei Wang and Zhou Zhou
This paper describes the aerodynamic design and assessment of a blended-wing?body (BWB) configuration under the distributed electric propulsion (DEP) installation constraints. The aerodynamic design rationale and process is described, as well as how the ...
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Florian Amann, Francesca Badaracco, Riccardo DeSalvo, Luca Naticchioni, Andrea Paoli, Luca Paoli, Paolo Ruggi and Stefano Selleri
The Einstein Telescope will be a gravitational wave observatory comprising six nested detectors, three optimized to collect low-frequency signals, and three for high frequency. It will be built a few hundred meters under Earth?s surface to reduce direct ...
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Ken Wakimoto, Kazuhisa Chiba, Hiroyuki Kato and Kazuyuki Nakakita
This study conducted wind tunnel tests with consecutive deflection angle changes on a three-dimensional (3D) wing with a control surface to procure aerodynamic data by sweeping the deflection angle. Configuration changes of a wind tunnel test model, such...
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Jun Liu, Wei Qian, Yuguang Bai and Xiaole Xu
The V-tail configuration has excellent stealth performance and has been using widely in the aerodynamic shape design of advanced aircraft. Many recent studies have focused on numerical simulation about V-tail configuration flight performance. The relativ...
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Pedro D. Bravo-Mosquera, Hernán D. Cerón-Muñoz and Fernando M. Catalano
The aerodynamic design of a new aircraft concept was investigated through subsonic wind-tunnel testing using 1:28-scale powered models. The aircraft configuration integrates a box-wing layout with engines located at the rear part of the fuselage. Measure...
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Michal Maar,Julia Sitarova,Milos Orgon
Pág. 1 - 10
This article presents the software Asterisk PBX solution design in enterprise PLC network (Power Line Communication). The description of the installation and configuration of software Asterisk PBX is involved in the design. The secure interconnection of ...
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Rubén Fernández, Josu Amorebieta, Iker García, Gotzon Aldabaldetreku, Joseba Zubia and Gaizka Durana
Fibre bundle-based reflective optical sensors are good candidates for parameter monitorisation in aero engines. Tip clearance is one of those parameters of great concern that is necessary to monitor. Within this optical technology, the evolution experien...
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Jasna Prpic-Or?ic, Marko Valcic and Zoran Carija
The estimation of wind loads on ships and other marine objects represents a continuous challenge because of its implication for various aspects of exposed structure exploitation. An extended method for estimating the wind loads on container ships is pres...
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Daniil Sergeev, Irina V?yushkina, Vladimir Eremeev, Andrei Stulenkov and Kirill Pyalov
This paper presents the results of a study of self-sustained processes excited in a Helmholtz resonator after a flow over its orifice. A comparative analysis of various approaches to the numerical modeling of this problem was carried out, taking into acc...
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Yong Wang, Kongcheng Zuo, Peng Guo, Kun Zhao and Victor Feliksovich Kopiev
Reducing the tonal noise from airfoil instabilities has attracted significant interest from the aeronautical community in the past few years. The aim of this paper is to investigate the effect of structured porous trailing edges on the tonal noise reduct...
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Daniele Granata, Alberto Savino and Alex Zanotti
The present study aimed to investigate the capability of mid-fidelity aerodynamic solvers in performing a preliminary evaluation of the static and dynamic stability derivatives of aircraft configurations in their design phase. In this work, the mid-fidel...
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Keyvan Salehi Paniagua, Pablo García-Fogeda and Félix Arévalo
In this work, the aeroelastic stability of an aerial refueling system is investigated. The system is formed by a classical hose and drogue, and the novelty of our work is the inclusion of a grid fin configuration to improve its stability. The unsteady ae...
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Estela Barroso-Barderas, Ángel Antonio Rodríguez-Sevillano, Rafael Bardera-Mora, Javier Crespo-Moreno and Juan Carlos Matías-García
This research focuses on the development of two bioinspired micro air vehicle (MAV) prototypes, based on morphing wings and wing grid wingtip devices. The morphing wings MAV tries to adapt the aerodynamics of the vehicle to each phase of flight by modify...
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Jung-Hee Yoo, Patrick Schrijvers, Arjen Koop and Jong-Chun Park
This study entailed the estimation of wind loads performed using computational fluid dynamics (CFD) simulations for four typical offshore vessels and for a Floating Production, Storage, and Offloading (FPSO) and shuttle tanker in a side-by-side configura...
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Casey L. Denham, Mayuresh Patil, Christopher J. Roy and Natalia Alexandrov
Flight testing has been the historical standard for determining aircraft airworthiness. However, increases in the cost of flight testing and the accuracy of inexpensive CFD encourage the adoption of certification by analysis to reduce or replace flight t...
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Alex Zanotti
Side-by-side propellers characterise the architecture of most new electric aircraft (eVTOLs) designed in recent years for urban air mobility. The aerodynamic interaction between side-by-side propellers represents one of the key phenomena that characteris...
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Woojae Hong, Soohwan Jeong, Minsung Ko, Hyun Hak Kim and Hyunggun Kim
The strut chordae (SC) have a unique structure and play an important role in reinforcing the tunnel-shaped configuration of the mitral valve (MV) at the inflow and outflow tracts. We investigated the effect of varying the SC insertion location on normal ...
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Shenghui Yi, Lu Shen, Chih-Yung Wen, Xiaoqiao He and Jian Lu
Multistable shells that have the ability to hold more than one stable configuration are promising for adaptive structures, especially for airfoil. In contrast to existing studies on bistable shells, which are well demonstrated by the Venus flytrap plant ...
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