نتایج جستجو برای: aeronautical structures

تعداد نتایج: 456703  

Journal: :CEAS Aeronautical Journal 2021

Abstract A major challenge in the subject of noise exposure airplanes is to achieve a desired transmission loss lightweight structures low-frequency range. To make use appropriate reduction methods, identification dominant acoustic sources required. It possible determine by measuring sound field quantity, pressure, as well its gradient and calculating intensity post-processing. Since such measu...

2013
Jana Merickova Jakub Vilšer

It is obvious that in the 21st century electronic maps have the sophistication to replace paper. This happens even in aircraft avionics. A device called electronic flight bag (EFB) can display digital aeronautical charts and other necessary navigation data. This article briefly describes the EFB and its advantages and application in the Czech Air Force (CZAF). Digital aeronautical charts and na...

2009
Felipe Bordeu Pierre-Alain Boucard Pierre Gosselet

Over the past thirty years, composite materials have been used increasingly in industry, especially in the aeronautical and spatial industries. Therefore, there is a great interest in the prediction of their degradation. The objective of this work is to develop a program capable of simulating structures on an industrial level using the latest models developed. In the first section, we present a...

Journal: :Lecture notes in mechanical engineering 2023

Composite materials are used in aeronautical, automobile, healthcare and marine industries due to their high stiffness, higher strength-to-weight ratio long fatigue life. Thin plate plays vital role manufacturing of engineering structures. Components made from composite often subjected damage while working. Buckling can cause loss stability component which subsequently leads failure the entire ...

2000
Earll M. Murman Myles Walton Eric Rebentisch

“Better, Faster, Cheaper” (BFC) emerged in the 1990s as a new paradigm for aerospace products. In this paper, we examine some of the underlying reasons for BFC and offer some thoughts to help frame the thinking and action of aerospace industry professionals in this new era. Examination of literature on industrial innovation indicates that aeronautical products have evolved to a “dominant design...

2013
Mohammed J.F. Alenazi Santosh Ajith Gogi Dongsheng Zhang Egemen K. Çetinkaya Justin P. Rohrer James P.G. Sterbenz

The aeronautical ANTP protocol suite consisting of AeroTP, AeroRP, and AeroNP has been designed to cope with the challenges in highly-dynamic airborne networks. Via simulations, these protocols have shown significant improvement compared with other traditional protocols. In this paper, we present a prototype implementation of ANTP protocol suite using Python. The implementation is tested in a r...

2006
Simone Winkler

N this project, new architectures in the field of imaging radiometry are developed. A key component in such radiometers is the receiver front-end. The project concentrates on the design of innovative receiver structures that are based on the so-called self-oscillating mixing technique. Self-oscillating mixers are an excellent choice for low-cost modern receiver architectures, because both the o...

2008
Pietro Azzari Luigi di Stefano Federico Tombari Stefano Mattoccia

Augmented reality is a powerful tool for delivering spatially coherent information to a user moving in a known environment. Accurate and reliable pose estimation is the key to success. Many approaches track reference objects into the scene but as the environment grows larger more objects need to be tracked leading to computationally intensive methods. Instead, we propose a practical approach th...

Journal: :IP Indian Journal of Conservative and Endodontics 2020

Journal: :Journal of the Illuminating Engineering Institute of Japan 1989

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