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Aerospace Engineering 2000-11-01

2000-11-01
Quality in the integrated product team In the early phases of product development, quality must be engineered and managed into the product. Advancing icing detection Engineers are working to develop a capability to detect icing conditions ahead of aircraft using onboard and ground-based remote sensing systems. Testing times Methods for testing aircraft engines have changed dramatically over the years for Rolls-Royce- almost as much as the engines themselves. This is the last installment of a three-part series on aircraft engine testing.
Magazine

AEROSPACE ENGINEERING 2013-10

2013-10-01
High hopes or just dreaming? A look at how Asia's aircraft manufacturers are trying to break into new markets to challenge the status quo. Camelina-based biofuel shows advantages in turboprop Researchers within the government of Canada see the need to improve the emissions performance of the Rolls-Royce T56 engine, which despite its age remains a workhorse for its military aircraft fleet.
Magazine

Aerospace & Defense Technology: August 2020

2020-08-01
Reverse Engineering the Boeing E-3 Sentry's Secondary Flight Controls Vanadium - A Green Metal Critical to Aerospace and Clean Energy Thrust in Space - The Nuances of Thruster Valve Design 3D Printing Aerodynamic Improvements Cryogenic-Capable Isolators Improve the Performance of Millimeter-Wave Systems by Lowering Noise Levels Detection with Quantum Radar A new radar prototype utilizes quantum entanglement as a method of object detection. Preliminary Development of an Integrated Mobility, Lethality, and Survivability Soldier Performance Testing Platform Developing a methodology that incorporates objective measures of performance and is sensitive to changes in soldier-system equipment could help guide equipment manufacturers during product development and acquisition. Bore Elevation and Azimuth Measurement System (Beams) Newly developed laser apparatus verifies that the pointing accuracy requirement of a weapon's fire control system is met.
Magazine

Aerospace & Defense Technology: September 2020

2020-09-01
Radiation-Tolerant FPGAs Solve Spacecraft Design Challenges Thermal Management for Directed Energy Weapons New Diamond Super-Material Enhances Aircraft Survivability Development of a Secure Private Neural Network Capability From DC to Daylight - How Innovations in Microwave Absorbers Shield the Warfighter Army Advances Materials for New Low-Profile Antenna Directed-Energy System to Defeat Small Unmanned Aircraft System Swarms New weapons technology is needed to combat the proliferation of small unmanned aircraft systems (sUAS), miniaturization of sensor technology, and advancement of UAS swarm logic that will enable swarms of sUAS to threaten US airbases by the 2025 timeframe.
Magazine

Aerospace & Defense Technology: February 2022

2022-02-01
What system Designers Should Know About MOSA Standards Microtube Technology A Catalyst for Next-Gen Aerospace Thermal Control Space Industry Test Challenges Advancing Metrology at Mach Speed Drone Mounted Inspection Breaks Barriers for F-35 RF Technology Helps Connect Avionics Systems Using Open-Cavity Plastic Packages in Avionics Applications Electronic Prognostics - A Case Study Using Global Positioning System (GPS) Prognostic health management (PHM) of electronic systems presents challenges traditionally viewed as either insurmountable or not worth the cost of pursuit, but recent changes in weapons platform acquisition and support requirements has spurred renewed interest in electronics PHM, revealing possible applications, accessible data sources, and previously unexplored predictive techniques.
Magazine

Aerospace & Defense Technology: April 2022

2022-04-01
Artificial Intelligence in the Battlespace Key Considerations for a New Way of Fighting War Machining Beryllium Electrified Propulsion for Aerospace Where to Start The Future of Managing Mission-Critical Systems Improving Battlefield Connectivity for the Modern Warfighter How to Test a Cognitive EW System Molded RF Materials for Hypersonic Sensors and Seekers AUVSI XPONENTIAL Multimode Optical Fiber Sensing Although the vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise, while the diversity of spatial modes can be used to develop sensors that are inherently immune to signal fading. Autonomous and Resilient Management of All-Source Sensors for Navigation Assurance As the number and type of sensors informing a system increases, so does the probability of corrupting the system with sensor modeling errors, signal interference, and undetected faults.
Magazine

Aerospace Engineering 2001-07-01

2001-07-01
Giving ice the boot Atmospheric icing was for many years one of the majoy threats to aircraft safety- and it potentially still is. Researchers at Dunlop Aviation Ice Protection and Composites continue their development of deicing and anti-icing technologies. The art of wing assembly Airbus Industries investigates new technologies and techniques for improving quality and reducing cost of its wing box assemblies. Affordable engines for small aircraft A look into the new technologies developed for small-aircraft engines as extensions to the cooperative agreements under the NASA General Aviation Propulsion program conclude.
Magazine

Aerospace & Defense Technology: February 2019

2019-02-01
Ruggedizing Commercial-Grade Computers into MIL-Hardened Systems An Introduction to PCM Heat Sinks Eye Tracking Technology Improving the Skills Gap, Efficiency, and Quality Assurance in Aerospace Manufacturing Streamlining EMC Solutions for Avionics Interfaces Hardware Design of a High Dynamic Range Radio Frequency (RF) Harmonic Measurement System. Using RISC-V to Simplify Data Logging in Space Novel Characterization Methods for Anisotropic and Mixed-Conduction Materials Seven new characterization methods have been developed for the specialized materials used in state-of-the-art electronic and optoelectronic devices. Circuit Models for Robust, Adaptive Neural Control Understanding a nematode's simple circuit could provide a foundation for understanding much more complex behaviors.
Magazine

Aerospace & Defense Technology: May 2021

2021-05-01
Powering Better Battlefield Drones Using Low-Frequency Broadband Sonar on UUVs Experimenting in Realistic Environments Gets NewTechnology to Warfighters Designing Rugged SWaP-Optimized MOSA Solutions for UUVs Does Your UAV Program Need a Transponder? Understanding the Requirements and Guidelines Developing New Anti-Drone Radar Technology Deceiving the Enemy: These Are the Drones You Are Looking For By developing UAVs for physical deception roles to shape an adversary's ability to visually observe and orient to situations, the US military can decrease risk to air and ground combatants during mission execution by causing adversaries to expend resources, delay their reactions, or react incorrectly to tactical situations.
Magazine

Aerospace & Defense Technology: February 2021

2021-01-28
Empowering Soldiers Through ISPDS Dispensable Gels vs Gap Filler Pads An Analysis of Thermal Management Materials Electronic Warfare Vying for Control of the Electromagnetic Spectrum More Bang for the Buck A New Design and Manufacturing Method for Deep Penetrating Bomb Cases A Comprehensive Way to Use Bonding to Improve RF Performance of Low Noise Amplifiers Army and Universities Deploy New Warfighter Communication Technology Radiation Effects on Electronics in Aligned Carbon Nanotube Technology (RadCNT) Characterizing the fundamental mechanisms and charge transport phenomena governing the interactions between ionizing and non-ionizing radiation with carbon-based (nanotube and graphene) field-effect transistors (FETs) devices and integrated circuits (ICs).
Magazine

Aerospace Engineering 2003-02-01

2003-02-01
Explosion suppressant arresting foam Technological refinements over three decades have enabled a family of polyerethane foams to aid in the prevention of catastrophic explosions caused by electrical arching, lightning strikes, and static electrical discharge. Improving SA via HUD Engineers from Honeywell and BAE Systems address the saftety and avionics issues inherent in the anticipated increase in air traffic.
Magazine

Aerospace Engineering 2004-06-01

2004-06-01
Showing how it's done Engineers are using software to better manage product development data, and applying tools to a new class of problems. NASA goes deep The agency's new long-term space exploration program starts with a return to the moon and will ultimately enable future exploration of Mars and other solar system destinations. Farnborough preview In an event that happens just once every two years, bringing the multitudes together, it is important to get as much technology as possible into the open and to find solutions to hard problems. Seats under crash loading The FAA and academia have conducted aircraft seat drop tests to compare and contrast passenger crash protection. A fluid approach Aerospace engineers have started using CFD software earlier and earlier in the design process.
Magazine

Aerospace & Defense Technology: September 2023

2023-09-07
How Thunderbolt 4 Helps Bring Fault-Tolerant, Distributed Systems to Market Delivering Operational Energy to Enhance Warfighter Capability Optoelectronic Analog Signal Transmission Takes Center Stage Amidst Aerospace and Defense Innovation Shaking Outside the Box to Advance Flight Research An Introduction to Quantum Computing How Laser Communications Innovation is Finally Coming of Age and Driving Innovation in Defense Spatial Calibration for Accurate Long Distance Measurement Using Infrared Cameras A new spatial calibration procedure has been introduced for infrared optical systems developed for cases where camera systems are required to be focused at distances beyond 100 meters. Towards Greater Sensitivity: A Brief FTIR and Infrared-Based Cavity Ring Down Spectroscopy Comparative Study A presentation of work comparing efficacy of a traditional IR method used as a standard within the U.S.
Magazine

Aerospace & Defense Technology: August 2023

2023-08-03
Electrifying Aviation: The Path to Decarbonizing the Skies /Electric aviation mirrors the early stages of the electric vehicle revolution Advances in Military Avionics Technologies Create New Challenges for RF Test and Measurement Plasma Electrolytic Oxidation: The Future of Lightweight Designs in Aerospace and Defense Advanced RF Simulation Reduces Cost and Schedule Risk Assure 5G NTN Performance Before Launch In the complex and quickly evolving 5G NTN landscape, simulating, emulating, and evaluating RF systems boosts mission success. Qualification of Multi-Channel Direction Finding Radar Receivers in The Lab Bullet Impact Testing of Ammunition and Explosives at Picatinny Arsenal A bullet impact (BI) test for evaluating the response of energetically loaded items has been established at the U.S. Army Combat Capabilities Command (DEVCOM) Armaments Center (AC) Explosive Development Facility.
Magazine

Aerospace & Defense Technology: April 2023

2023-04-06
Breathing Life into Artificial Intelligence and Next Generation Autonomous Aerospace Systems Robotic Rotational Molding Creates New Opportunities for Military and Aerospace Applications Rim-Driven Electric Aircraft Propulsion High-Speed Midwave Infrared Cameras Enable Military Test Range Tracking System What Today's Advances in Radar Technology Mean for Testing and Training Tackling Ruggedization Challenges for RF Communications in Software Defined Radios AUVSI XPONENTIAL 2023 The Blueprint for Autonomy Multi-Scale Structuring of the Polar Ionosphere Understanding a radically new sensing capability for polar ionospheric science introduced by observational evidence recently provided by the electronically steerable Resolute Bay Incoherent Scatter Radar (RISR). Stepped-Frequency Distributed Radar for Through-the-Wall Sensing A technical analysis of the effectiveness of distributed radar for through-the-wall sensing applications.
Magazine

Aerospace Engineering 2011-12-14

2011-12-14
Booking flights on biofuel The aviation industry is now deploying biofuels on commercial flights after years of demonstration test flights, but high costs will keep bookings few and far between for a few more years. Beating brownout A look at a new airborne landing aid that provides safe-flight capabilities for front-line helicopter crews in degraded visual environments. Making battlefield targets disappear The use of 'smart' special materials has the potential to radically alter the way military platforms are defended, and used.
Magazine

Aerospace Engineering 2011-06-08

2011-06-08
Avionics go to war Advanced helmet sight systems are being designed to help the situational awareness of those pilots who actually still fly aircraft, while also being seamlessly integrated with the aircraft itself. Model military engine behavior While the concept of a variable cycle engine is not new, recent advances in engine architecture technology suggest that adding a second bypass stream to a traditional turbofan can provide significant benefits. Alternative seals for alternative fuels When considering seal compatibility an aircraft from traditional jet fuel to a synthetic fuel presents an interesting technical challenge that has both financial and practical considerations, especially for aircraft that are already in service.
Magazine

Aerospace Engineering 2003-05-01

2003-05-01
Le Bourget trends and issues The 45th Paris Air Show will provide industry players a gathering place to discuss the past, present, and future after two years of seemingly non-stop challenges to the industry. Working on the floor Automated data-capture technologies can obtain, validate, and process time, labor, and other information for improved productivity and efficiency in aerospace manufacturing. Space-age materials A team of researchers are studying the properties of cosmic rays to gain a better understanding of the radiation environment encountered during space travel. Avionics testing IFR has designed a new navigation communications ramp test set to replace its industry-standard workhorse.
Magazine

Mobility Engineering: December 2015

2015-12-01
Uncertainty quantification The technique is a must for next-generation simulation tools. Oil-pump sizing Researchers from Hinduja Tech investigate options for low friction and power consumption. The future of Indian commercial aviation The growth in traffic that airport modernization has supported has also made a significant contribution to the local and national economies, while the improved infrastructure has been positive for the perception of India in the global market. Driving EVs toward lower cost The race ison to reduce battery and electric-drive systems cost while improving efficiency. Powering on Rolls-Royce's Chief Engineer discusses new technologies that inspire current R&D design and evaluation work as part of its strategic roadmap for future big commercial programs. HMIs extend beyond the cab Telematic functions are being integrated into multi-function user interfaces.
Magazine

MOBILITY ENGINEERING: Sept 2016

2016-09-01
Types of aircraft passenger-escape systems An overview of existing and potential new methods for assuring aircraft occupant safety. SAE Skill India Initiative: S2I2 A new SAEINDIA collaboration aims to help young engineers acquire "industry-ready" skills. A technology-driven sustainable-agriculture solution Pumping more air into the cylinder is key to solving the CAFE puzzle, and engineers are hard at work figuring out the best ways to do it with turbocharger and supercharger innovation. Rotorcraft icing computational tool development 3D printing machines can't be built fast enough In the additive-manufacturing world, the costs of components are dropping, the technology is becoming more reliable and parts are fabricated faster, allowing industries beyond aerospace to adopt additive technologies, says Oak Ridge Lab's Ryan Dehoff.
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