|
|
|
|
|
Sergejus Lebedevas and Tomas Cepaitis
The decarbonization problem of maritime transport and new restrictions on CO2 emissions (MARPOL Annex VI Chapter 4, COM (2021)562) have prompted the development and practical implementation of new decarbonization solutions. One of them, along with the us...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yiming Mo, Lei Wang, Wenqing Hong, Congzhen Chu, Peigen Li and Haiting Xia
The intrusion of foreign objects on airport runways during aircraft takeoff and landing poses a significant safety threat to air transportation. Small-scale Foreign Object Debris (FOD) cannot be ruled out on time by traditional manual inspection, and the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jian He, Xiang Luo, Yang Bai, An Song and Tao Yang
In aero-engines, a secondary air system is used to cool the rotor discs and seal cavities between rotor and stator parts. The pressure loss caused by bleed air can be effectively reduced by setting the finned vortex reducer. Thus, the bleed system design...
ver más
|
|
|
|
|
|
|
|
|
|
|
Oliver Ohneiser, Hartmut Helmke, Shruthi Shetty, Matthias Kleinert, Heiko Ehr, Sebastian Schier-Morgenthal, Saeed Sarfjoo, Petr Motlicek, ?arunas Murauskas, Tomas Pagirys, Haris Usanovic, Mirta Me?trovic and Aneta Cerná
Assistant Based Speech Recognition (ABSR) systems for air traffic control radiotelephony communication have shown their potential to reduce air traffic controllers? (ATCos) workload. Related research activities mainly focused on utterances for approach a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Liang Zhou, Weiqiang Xu, Chengqun Wang and Hsiao-Hwa Chen
Due to its flexible deployment and high mobility of unmanned aerial vehicles (UAVs), the UAV-assisted cognitive radio (CR) network has attracted a lot of attention as one of the most promising techniques to address spectrum congestion issues in futuristi...
ver más
|
|
|
|
|
|
|
|
|
|
|
Filippo Merli, Nicolas Krajnc, Asim Hafizovic, Marios Patinios and Emil Göttlich
The purpose of the paper is to characterize the aerodynamic behavior of a rotor-downstream hub cavity rim seal in a high-pressure turbine (HPT) stage. The experimental data are acquired in the Transonic Test Turbine Facility at the Graz University of Tec...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nils Ahrenhold, Hartmut Helmke, Thorsten Mühlhausen, Oliver Ohneiser, Matthias Kleinert, Heiko Ehr, Lucas Klamert and Juan Zuluaga-Gómez
Automatic speech recognition and understanding (ASRU) for air traffic control (ATC) has been investigated in different ATC environments and applications. The objective of this study was to quantify the effect of ASRU support for air traffic controllers (...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junyuan Liao, Chunxin Yang and Han Yang
Air cycle systems (ACSs) are primarily used in aircraft environmental control systems (ECSs) to provide a suitable cabin temperature and pressure environment for passengers and avionics. It comprises heat exchangers, compressors, turbines, water separato...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yingzhe Zhang, Baohong Bai, Dakai Lin and Peiqing Liu
The flap side-edge is a vital contributor to airframe noise. In this study, we propose a novel flap side-edge noise reduction method based on the concept of active blowing air. A long slot is opened from the flap?s lower surface to the tip surface to ind...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jie Wang, Peng Liu, Tian Qiu and Shuiting Ding
As a typical flow element in an aero-engines, orifices play a vital role in the distribution and control of the mass flow rate within the secondary air system. In particular, rotating orifices with complex geometry (Euler angles) may significantly vary t...
ver más
|
|
|
|
|
|