Search Results

Big fans gear up for new battles The big difference in newer commercial airplanes comes where it can't be seen: in the structure, in new materials, in the avionics, and most importantly, in the engines. Integrated Vehicle Health Management The aims of IVHM include improved safety through the use of diagnostics and prognostics to fix faults before they are an issue, as well as improve availability of fleets through better maintenance scheduling.

PEFCs to transform UAVs Advancements in polymer electrolyte membrane fuel cells have resulted in longer endurance missions for smaller UAVs as well as an enabler for electric aircraft that require vertical takeoff and landing capability. Hovering aircraft programs The AW609 tiltrotor and the X3 compound helicopter offer different technology solutions to the challenge of achieving higher speeds and higher quality point-to-point air transport.

Simulation helps manage change in aircraft manufacturing Commercial aircraft demand is up even while sequestration and other forces are forcing scale-backs in defense-related programs. From managing complex supply chains to improving scrap rates in casting, digital simulation is proving a valuable aid.

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.

Chrysler sees the ICE future The three-year, $30 million Multi-fuel Multiair R&D program with the U.S. DOE is nearing completion. Here's what Chrysler Powertrain engineers have learned as they try to achieve a 25% fuel-efficiency gain. Counteracting cyber-attacks As vehicle systems become more complex and interact with more internal and external elements, the potential for outside intrusion and tampering increases for both vehicles and the transportation infrastructure. Kia moves upscale with 2014 Cadenza The all-new premium sedan is the Korean automaker's 'most technologically advanced' vehicle ever on U.S. roadways. 2014 Corvette: 460 hp, 30 mpg, 1 g, $52,000 No other sports car can match the C7's combination of performance, value, and overall efficiency. Chief Engineer Tadge Juechter provides insight on executing a masterpiece.

Designing Electronic Warfare to Regain Airborne Military Dominance Certifying Composite Designs for Aerospace and Defense Electric Rockets and the Future of Satellite Propulsion Flat Cable Technology for Aerospace Applications XPONENTIAL 2017 – An AUVSI Experience Pulse Analysis Techniques for Radar and Electronic Warfare Reconfigurable Radio Tracks Flights Worldwide Development of an Optically Modulated Scatterer Probe for a Near-Field Measurement System Using Dempster-Shafer Fusion for Personnel Intrusion Detection Angular Random Walk Estimation of a Time-Domain Switching Micromachined Gyroscope Using Fisher Information Criteria for Chemical Sensor Selection via Convex Optimization Methods Luminescence Materials as Nanoparticle Thermal Sensors

Seeing the Light Achieving Full-Color, Day or Night Readability for Flat-Panel Displays Multiple Node Networking Using PCIe Interconnects PCI Express (PCIe) interconnects, and how they can be used to support multiple node low latency data transfers over copper or optical cables, is gaining momentum in embedded computing solutions. Zero-Emissions Electric Aircraft Theory vs Reality Analyzing Radar Signals With Demodulation Combining Software and Hardware for Highly Specialized Multichannel Spectrum Monitoring Advanced Thermal Management Solutions Thermoelectric Cooling Thermal Ground Planes Thermal Management of Laser Diodes The Effect of Substrate Emissivity on the Spectral Emission of a Hot-Gas Overlayer Process Approach to Determining Quality Inspection Deployment Experimental Setup to Assess Blast and Penetration-Induced Secondary Debris in a Military Operations in Urban Terrain (MOUT) Environment Non-Contact Circuit for Real-Time Electric and Magnetic Field Measurements

The Rapid Rise of Beryllium-Aluminum Alloys in Aerospace Aeroacoustic Simulation Delivers Breakthroughs in Aircraft Noise Reduction Using System Simulation to Manage Increasing Thermal Loads on Aircraft Fuel Systems Ensuring the Compliance of Avionics Software with DO-178C Microwave Photonic Notch Filter Helps Ensure Critical Mission Success Measuring Propellant Stress Relaxation Modulus Using Dynamic Mechanical Analyzer New testing technique requires less material, gives more accurate results. Combustion Characteristics of Hydrocarbon Droplets Induced by Photoignition of Aluminum Nanoparticles Test methodology allows analysis of combustion dynamics for subscale rocket injectors under super critical conditions. Vapor Pressure Data and Analysis for Selected Organophosphorous Compounds: DIBMP, DCMP, IMMP, IMPA, EMPA, and MPFA Determining the thermophysical properties of chemical warfare agent simulants can help evaluate the performance of defensive equipment.

Small Form Factor Embedded Systems New Technologies Drive Diverse Solutions Making Laser Weapons a Reality Modelling and Simulation Tools for Systems Integration on Aircraft Rotorcraft Anti-Icing Systems Redundant Transmitting System in Aircraft (RTSA) Cassini Stays in Touch with NASA's Radio Science Subsystem Laser Integration on Silicon Photonic Circuits Through Transfer Printing New fabrication approach allows the massively parallel transfer of III-V coupons to a silicon photonic target wafer. High Energy Computed Tomographic Inspection of Munitions Inspection system provides additional level of quality assurance for R&D, reverse engineering, and malfunction investigations. Terahertz (THz) Radar: A Solution for Degraded Visibility Environments (DVE) Operating at higher frequencies than other types of radar produces tighter beams and finer resolution. Imaging Detonations of Explosives Using high-speed camera pyrometers to measure and map fireball/shock expansion velocities.

The Distributed Extreme Environment Drive System (DEEDS) What Is It? What Does it Do? How Does It Work? Using Virtual Reality to Improve Product Development Overcoming eVTOL's High-Power Connectivity Challenges Optimized Cutting Tools for Tomorrow's Sustainable Aircraft DC to DC Power Distribution in MilAero Applications Paving the Way for the Next Wireless Breakthroughs Solving Signal Interference Challenges in Aerospace and Defense Electronics In-situ Atmospheric Intelligence for Hybrid Power Grids: Volume 2 (Automated Data Flow Tests) To achieve battlespace dominance, energy flow characterizations of individual platforms and the aggregate battlespace must be developed to adapt and exploit the variable operating conditions.

Clean, quiet commercial propulsion Engine manufacturers design future engines to meet noise, pollution, and fuel economy needs. Robots take over Dramatic changes in areas as diverse as semiconductor costs, software tools, and the trend toward regional aircraft are creating opportunities for airplane manufacturers to automate their factories. Rapid prototyping to rapid manufacturing Durable, temperature-resistant powders and materials enable the manufacture of complex components. The research race Aerospace R&D funding in the U.S. is on the upswing, but new priorities create challenges for universities.

Robot reliance There is plenty of room for growth in the use of robots among aerospace companies. The energy-optimized aircraft Aerospace sings the body electric with the integration of stand-alone electric subsystems. Flying into cleaner skies Engine efficiency saves money, trims pollutants. A fascination with fasteners Lack of manufacturing capacity is just one reason for a shortage of aerospace fasteners.

The burn factor New combustor technologies keep engine temperatures down to reduce emissions. The transparent supply chain The U.S. military and contractors work together to make parts available when parts are needed. An explosion of nondestructive testing Trends in the aerospace industry, such as greater use of composites, increase the need for tests and simulations.

Well sealed in flight The introduction of fly-by-wire and electrohydraostatic actuators has changed the design of hydraulic flight controls.

Fast-track propulsion testing Whether it is compressor refinement or complete test programs for next-generation aircraft, the level of propulsion system development in Europe seems to be ever-increasing.

Aviation biofuel effort ramps up The key to a vibrant aviation biofuels market is a reliable and plentiful supply of nonpetroleum feedstocks.

Tolling for large, light composite parts Aerospace engineers use carbon-fiber composites to create larger, unified parts to replace many smaller parts fastened together. As composite parts get larger, tooling to make them is evolving.

Implementing CAD systems Several aerospace companies have employed new CAD systems to achieve cost savings as well as improved functionality. Nose gear shimmy damping Lord Corp. has adapted surface-effect technologies to the development of nonhydraulic nose gear shimmy dampers.

The fantastic five Engineers at NASA Langley, NASA Glenn, and the Boeing Co. investigate new aircraft concepts designed to improve fuel economy. Addressing noise, emissions, and fuel efficiency In an interview with "Aerospace Engineering," Rolls-Royce Engineering Director Mike Howse explains the technical challenges and tradeoffs in jet-engine design and development. Doing business via the Internet It's not so much a matter of whether a company should use the Internet to conduct business, but how. This article looks at how two companies- one an aerospace parts maker, the other a provider of e-sourcing solutions- exploit the Internet. Improving processes through new solutions Several aerospace companies have implemented new engineering software products into their work processes to improve efficiency and productivity.

From motorsports to aerospace Pi Research brings its motorsports digital data-acquisition technology to the aerospace industry. New testing solutions Aerospace Engineering editors review the latest testing products, equipment, and technologies from the idustry's suppliers. The world of business jet technology "Aerospace Engineering" provides an overview of new business jets and the technological innovations that make them fly in the first installment of a two part series. Dassault adds another Falcon The Falcon 7X featurs a host of new technologies, including an advanced wing design, making it Dassault's next-generation business jet. Eclipse makes business jets affordable New manufacturing techniques and high-volume approaches are enabling Eclipse to bring an affordable aircraft to the business jet market. Cessna establishes its Sovereignty The company finalizes development of the Sovereign and prepares it for FAA certification, which is expected late this year.