Results 21 to 30 of about 39,228 (133)

Immediate impact of the COVID-19 pandemic on CTSA TL1 and KL2 training and career development [PDF]

open access: yes, 2020
Clinical and Translational Science Award (CTSA) TL1 trainees and KL2 scholars were surveyed to determine the immediate impact of the COVID-19 pandemic on training and career development. The most negative impact was lack of access to research facilities,
Rubio, Doris M.   +13 more
core   +1 more source

Thin-film electrodes of dielectric elastomer-based actuators for an active vibration control system

open access: yesВестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение
Precision research and technological equipment, as a rule, is not able to provide its specification characteristics without a high-quality vibration protection system.
V. S. Shcherbakova   +4 more
doaj   +1 more source

The research of traffic density extraction method under vehicular ad hoc network environment [PDF]

open access: yesJournal of Intelligent and Connected Vehicles, 2019
Purpose – Traffic density is one of the most important parameters to consider in the traffic operation field. Owing to limited data sources, traditional methods cannot extract traffic density directly. In the vehicular ad hoc network (VANET) environment,
Zhizhou Wu   +3 more
doaj   +1 more source

Numerical Modeling of Chemical Kinetics, Spray Dynamics, and Turbulent Combustion towards Sustainable Aviation

open access: yesAerospace, 2023
With growing interest in sustainable civil supersonic and hypersonic aviation, there is a need to model the combustion of alternative, sustainable jet fuels. This work presents numerical simulations of several related phenomena, including laminar flames,
Arvid Åkerblom   +5 more
doaj   +1 more source

Airfoil Lift Coefficient Optimization Using Genetic Algorithm and IGP Parameterization: Volume 1

open access: yesAerospace, 2023
The objective of this study is to develop a genetic algorithm that uses the IGP parameterization to increase the lift coefficient (CL) of three airfoils to be used on wings of unmanned aerial vehicles (UAVs).
María Elena Tejeda-del-Cueto   +5 more
doaj   +1 more source

Influence of Engine Dynamic Characteristics on Helicopter Handling Quality in Hover and Low-Speed Forward Flight

open access: yesAerospace, 2023
This study assesses the influence of engine dynamic characteristics on helicopter handling quality during hover and low-speed forward flight. First, we construct the helicopter–engine coupling model (HECM) based on the power-matching relationship between
Yuan Wei   +3 more
doaj   +1 more source

TL1 Agent/Node Walker [PDF]

open access: yes, 2006
Transaction Language 1 (TL1) is the most widely used management protocol in the telecommunication industry. Multi-million dollar optical networks can rise and fall at the talented strokes of a TL1-savvy tech\u27s fingertips.
Sisson, David W.
core  

Development of Aerodynamic and Propulsion Models Using the Iterative Equation Error Method

open access: yesAerospace, 2023
For developing high-fidelity flight simulations, an accurate and complete representation of the aerodynamic characteristics of the aircraft is necessary.
Murat Millidere   +3 more
doaj   +1 more source

Delay-D: Research on the Lifespan and Performance of Storage Devices in Unmanned Aerial Vehicles

open access: yesAerospace, 2023
Despite the technological achievements of unmanned aerial vehicles (UAVs) growing in academia and industry, there is a lack of studies on the storage devices in UAVs. However, this is an important aspect because the storage devices in UAVs have a limited
Donghyun Kang
doaj   +1 more source

The significance of airport certification in the recovery process security of civil aviation of Ukraine

open access: yesAviation
The main goal of this study is the need to solve the problems of safe and effective development of airport infrastructure, since the implementation of effective international and European standards, transformation and modernization of airport ...
Liudmyla Chulinda   +5 more
doaj   +1 more source

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