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Viewing 1 to 30 of 48
2017-07-27
Magazine
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.
2017-04-27
Magazine
Interoperability Standards Pave the Way for Modular Robotic Manipulators Solar Powering UAVs Deploying COTS Subsystems in UUVs Developing a Multi-Modal UGV Robot Control Interface Fast-Tracking Autonomous Vehicles with Simulation Gesture-Based Controls for Robots: Overview and Implications for Use by Soldiers Identifying the Flow Physics and Modeling Transient Forces on Two-Dimensional Wings Experimental Confirmation of an Aquatic Swimming Motion Theoretically of Very Low Drag and High Efficiency The Scaling of Loss Pathways and Heat Transfer in Small Scale Internal Combustion Engines A Guide for Developing Human-Robot Interaction Experiments in the Robotic Interactive Visualization and Experimentation Technology (RIVET) Simulation
2017-03-30
Magazine
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
2016-04-01
Magazine
Electronic Warfare Next Generation FPGAs for Electronic Warfare Systems Materials: Composites Managing the Impact of Nanomaterials in Aerospace Manufacturing Aerospace Materials/Manufacturing Turbine Flow Meters Alternative Power Sources Designing a Power Generation System for a More-Electric Aircraft
2014-10-01
Magazine
Propulsion: Energy Sources Flying on vegetation Avionics/Electronics Avionics heat up, in a good way Unmanned Vehicles Reaching the benchmark in secure unmanned vehicle software Thermal Management Submersion and directed flow cooling technology for military applications RF & Microwave Technology Airborne antenna considerations for C-Band telemetry systems Software-designed system improves wireless test speed and coverage
2014-07-09
Magazine
Simulations for safety Improved design tools let aircraft developers ensure that systems, software, and mechanical elements all work together.
2014-05-07
Magazine
Defying convention Rapid prototyping has the potential to play a beneficial role in unconventional autonomous airship design. By reducing model cost, build time, difficulty of construction, and maintaining acceptable surface quality and finish, designers have greater ability to analyze several configurations of airships and to change the geometry to increase stability, reduce drag, or fulfill mission requirements.
2014-03-05
Magazine
Into the DEAP The Distributed Electrical Aerospace Propulsion project looks toward a future optimized integrated propulsion system that will allow cleaner, quieter, and more efficient performance to be incorporated into a radically innovative airframe that will feature enclosed electrically powered fans. Managing the deluge of data The model-based development (MBD) process has been a key enabler of technical advancement in the transportation industry; however, the MBD process leads to the generation of large volumes of data artifacts and work products. To maintain efficiency while continuously improving the quality of products, it is necessary to be able to manage this data in an efficient manner.
2013-10-01
Magazine
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.
2013-09-04
Magazine
Low risk, high gain stakes in aerospace design With the aerospace world pulling back from groundbreaking, high-risk aircraft designs, how are PLM and CAE suppliers adapting in providing solutions?
2013-06-03
Magazine
Filling the space A look at the changing face of manned spaceflight and the commercialization of orbital access. Distribution of power When designing the electrical distribution system for a turboelectric architecture, it is imperative to select technologies that will provide the highest efficiency and stability for the propulsion system.
2013-04-01
Magazine
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.
2012-11-14
Magazine
Gradually going green The number of commercial airplanes globally is expected to double by 2030, but will there be enough fuel to keep them flying? 57 channels and everything's on Radios handle more frequencies as well as visual inputs, forcing developers to employ many design strategies. Surmounting modeling pitfalls A look at software tools that aid in the efficient model-based design of next-generation energy-optimized aircraft. When fuel cells fly Emerging hydrogen and fuel-cell-based technologies are being developed for the future replacement of onboard electrical systems in more-electric or all-electric aircraft.
2012-10-24
Magazine
Biofuel advances The aerospace industry remains committed to getting off the ground with alternatives to jet fuel.
2011-12-14
Magazine
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.
2011-09-28
Magazine
Up in arms over robots As one-armed robots improve in accuracy, gradually expect to see more of them as the pressure grows in aerospace to augment manual labor.
2011-09-07
Magazine
Hypersonic possibilities When it comes to reviving high-speed air travel, it all comes down to propulsion, propulsion, propulsion. Shrinking electronics help fuel rising usage Integration helps UAVs carry more sensors and send data faster, making unmanned aircraft more valuable. A greener flight path 'Eco-efficient Innovation Leading the Future of Aviation' is the theme of SAE's 2011 AeroTech conference to be held OCt. 18-21 in Toulouse, France. Manufacturing advanced materials A look at some of the challenges of additive layer manufacturing, as well as the advantages it brings to the aerospace industry.
2011-06-08
Magazine
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.
2010-10-13
Magazine
Aviation biofuel effort ramps up The key to a vibrant aviation biofuels market is a reliable and plentiful supply of nonpetroleum feedstocks.
2010-05-26
Magazine
From oil fields to swamps Aviation turns to living organisms for its future energy source.
2010-02-10
Magazine
Energizing materials Materials science and engineering will continue to play a major role in realizing new energy opportunities.
2009-09-02
Magazine
Fuels for the future Cleaner and more environmentally friendly sources of aviation fuel will be needed if the impact of air travel is to remain acceptable as the climate changes.
2009-04-01
Magazine
Improving power quality Avionics power supplies are being redesigned to reduce harmonic distortion and work with wild frequencies. Think smart As aerospace manufacturers and suppliers continually look for new ways to improve passenger safety and comfort, an increasing emphasis is being placed on the role of advanced, 'smart' interiors. Getting it together The manufacture and assembly of today's aircraft must be in line with market needs and emerging technologies in a challenging business environment.
2008-09-01
Magazine
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.
2008-08-01
Magazine
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.
2008-07-01
Magazine
Going green to stay in the black Cutting energy usage, reducing chemical waste can help companies save cash. Saving space Engineers take a modern look at proven rocket technologies for the Constellation program. 'Center' of attention An abundance of test programs on the horizon leads Boeing to create a central command center to organize all test activities. Farnborough International 2008 A look at prospects and trends for this year's largest global aerospace trade show.
2008-05-01
Magazine
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.
2007-09-01
Magazine
Sound sound-research techniques Higher bypass ratios, chevrons, shape memory alloys, and improved aerodynamics are some of the advancing technologies that will help quiet aircraft, and thus help the environment. Display technology perks up HUD, software make big strides in cockpit appearance and flight safety. Going green The global aerospace industry gears up for big changes in fuel burn, emissions, and noise.
2007-04-01
Magazine
Supporting nest-gen propulsion The need for advanced computational and communication systems on board military aircraft make fuel cells an attractive propulsion alternative, and ample access to hydrogen a necessity. Aerospace industry seeks material returns Better use of materials data can pay off for aerospace designers. Transatlantic testing program for the F-35 Europe gets its most comprehensive-ever military airframe test facility.
2006-05-01
Magazine
Materials mature The growth of air travel has always been dependent on the development of materials technology for structures and engines. Keeping track of production Aircraft manufacturers are making greater use of RFID and bar code technology, while also using new software that helps them keep production lines running smoothly. Breaking records via fuel management Onboard sensors reported lower-than-expectedfuel-tank readings not far into the around-the-world flight of the GlobalFlyer, jeopardizing the entire mission.
Viewing 1 to 30 of 48