Category: Jatm

Thermal Control: How to get the best results from satellite radiator system optimization?

With the successful case of the Amazon-I satellite, Brazilian scientists demonstrate an innovative solution in optimizing satellite thermal control through design, revealing the importance of a multifocal approach when studying the development of radiator systems, as these are fundamental. for the correct functioning of the devices and accuracy of the transmitted data. Read More →

Study compares experimental and numerical results of a supercritical airfoil behaviour in compressible flow

Research presents a contribution to the demanding field of studies on hot wire anemometry of the unsteady wake of a supercritical airfoil, based on experimental tests made on an ultrasonic wind tunnel and compared with a numerical study results. Read More →

Lightning strikes and ice accumulation: The use of conductive composite materials in challenging aviation solutions in review

An updated look through published studies that show the advantages brought by conductive nanostructures in effective solutions for on flight lightning current dispersion and surface deicing, minimizing the risk of accidents while improving flight efficiency through a low-weight, lower cost and lower maintenance system than others currently applied to aviation. Read More →

The impact of delays in customers satisfaction: Study brings light to one of the most competitive points of commercial aviation

Researchers analyze the on-time performance of the major airline company at the largest hub airport of United Kingdom. The results of the analysis show that their well-succeed system of delay/disruption management fulfills or exceeds the passengers’ expectations, lowering the negative impressions caused by such inconvenience, and keeping customers loyalty. Read More →

New software helps to evaluate LOX/Ethanol liquid rocket engine performance

Researchers created a software to evaluate the performance of L75 – an engine for satellite launch vehicles that runs on ethanol and liquid oxygen and was developed by brazilian and german space agencies. The results are published by a research team from the Federal University of ABC (UFABC), the Brazilian National Institute of Space Research (INPE) and the Regensburg Institute of Technology (Germany) in the Journal of Aerospace Technology and Management. Read More →

Study evaluates the effect of two different heat inputs in laser beam welding of a high strength aluminum alloy

In this study, the effect of two different heat inputs in laser beam welding of a high strength aluminum alloy AA6013-T4 was evaluated from macrostructural and microstructural points of view. The results, published by the research team from the Brazilian Institute for Advanced Studies in the Journal of Aerospace Technology and Management, indicate that the heat input is not a convenient method to parameterize the laser beam welding parameters aiming the same weld features. Read More →

Study suggests better way to identify aircraft assembly parts

The work evaluates the reading distance for UHF RFID passive tag, a type of radio frequency identification, for early adopter in the Aerospace industry. The results were published by the research team from the Instituto Tecnológico de Aeronáutica (ITA) in the Journal of Aerospace Technology and Management. Read More →

Study shows more accurate and cheaper technique for meteorological forecasts

The study briefly presents some basic concepts on the microwave radiometry and radiometer calibration research in remote sensing applications and shows why it is a more accurate and cheaper technique for meteorological forecasts. The results were published by the research team from the Brazilian National Center for Monitoring and Warnings of Natural Disasters in the Journal of Aerospace Technology and Management. Read More →

Study predicts performance of materials that reduce electromagnetic interference in electronic devices

Research indicates materials that attenuate electromagnetic interference in electronic devices and might be applied in its manufacture. The results were published by the research team from the Instituto Tecnológico de Aeronáutica (ITA) and Instituto de Ciência e Tecnologia (ICT) da Universidade Federal de São Paulo (Unifesp), in the Journal of Aerospace Technology and Management. Read More →

Study indicates models to prevent interference to GPS-based systems

The study evaluates the vulnerability of GPS-based systems, focusing on different kinds of environment – specially urban and suburban surroundings – and based on different propagation models. The results were published by the research team from the Instituto Tecnológico de Aeronáutica in the Journal of Aerospace Technology and Management. Read More →