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Editorial Energy
Sunset for the American V8
Technologies transition from dominance to nearly dead at different speeds and for various reasons. That’s particularly true for motive power. Pistons, cams and valves are giving way to anodes, cathodes and...
Application Briefs Mechanical & Fluid Systems
Turbine Rotor Assembly Systems
RPI UK has installed two integrated rotor measurement and assembly platforms (iMAPs) at Atlanta-based Delta Airlines;
Articles Electronics & Computers
New Ampere EV Motor Aims for Power, Torque Benchmarks
Consider an EV traction motor rated at 220 kW and weighing 10 kg (22 lb). Is it too good to be true? “We’ll find out within nine months when we build it,” said Ian Foley, managing...
Articles Power
Bringing Turbine Power to Small Aircraft
A regenerative, high-temperature heat exchanger doubles the efficiency of low-power turbines.
Articles Mechanical & Fluid Systems
Limiting Creep in Aerospace Materials
Creep is an especially important consideration for engineers designing jet engine turbines.
Articles Unmanned Systems
Microturbine Propulsion for UAVs
The continued use of reciprocating engines has limited the UAV market’s ability to reach its true growth potential.
News Energy
Powering Back to the Future
Credit Leonardo DaVinci for creating what many historians believe was the first depiction of a self-powered vehicle. It was powered by springs. And in the centuries since then, engineers have found increasingly...
News Electronics & Computers
New Boeing, Safran Joint Venture Dedicated to Developing Aircraft Auxiliary Power Units
Chicago-based, Boeing Company and Safran S.A. of Paris are forming a joint venture to design, build, and service aircraft secondary power systems,...
Briefs Aerospace
Burner Rig Testing of A500® C/SiC
There is growing interest in developing, testing, and deploying ceramic-matrix composites (CMCs) into commercial and military aerospace gas turbine engines due to their durability under extreme conditions and...
News Propulsion
Developing an Alternative Engine Concept
As the transportation industry begins to enter the next stage of power sources, a wave of new options is becoming available to consumers. What was once an industry dominated by gasoline spark-ignited...
Articles Aerospace
Powering On
The steady rise in demand for high-thrust, big-fan engines for new wide-body commercial airplanes continues to generate massive business, as the 2015 half-year results from Rolls-Royce demonstrated. But at the same time, underlying...
Briefs Mechanical & Fluid Systems
Rotating Detonation-Wave Engines
All Navy aircraft and missiles use gasturbine engines for propulsion. Many ships are also dependent on gasturbine engines to generate both propulsive power and electricity. These engines are fundamentally...
Briefs Test & Measurement
Thermal Mechanical Fatigue Crack Growth Testing
Turbines in aircraft turbojet engines are being subject to increasingly higher temperatures to improve fuel efficiency. High turbine efficiency requires the ability of turbine blades to withstand...
Articles Aerospace
Using Fiber Metal Abradable Seals in Aerospace Turbine Applications
Limiting leakage in aerospace turbo-machinery has been a focus of engineers ever since the advent of the turbine. An increasing number of companies are finding that fiber metal...
Application Briefs Defense
Gas Turbine Exhaust Recovery Design Improves Propulsion Efficiency
In January, Concepts NREC (CN) was awarded a Phase I Small Business Innovative Research (SBIR) grant from the Navy to improve the power efficiency of its gas turbine prime...
Briefs Power
Film Cooling Using Pulsed Coolant
Turbine engine designers routinely use film cooling to cool engine components in the hot-gas flow-path. Film cooling is the process of injecting coolant fluid at one or more discrete locations along a surface...
Briefs Materials
Strain-Induced Porosity Model
AFRL scientists developed advanced computer models to improve the processing and quality of titanium alloys used in manufacturing gas turbine engine parts and critical structural components for military aircraft....
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INSIDERDefense
New Raytheon and Lockheed Martin Agreements Expand Missile Defense Production
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Ford Announces 48-Volt Architecture for Future Electric Truck
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Active Strake System Cuts Cruise Drag, Boosts Flight Efficiency
ArticlesAR/AI
Accelerating Down the Road to Autonomy
INSIDERManned Systems
How Airbus is Using w-DED to 3D Print Larger Titanium Airplane Parts
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Battery Abuse Testing: Pushing to Failure
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Smarter Aerospace Manufacturing & Design with Digital Twins and...
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Cooling a New Generation of Aerospace and Defense Embedded Computing...
Transportation
Quiet, Please: NVH Improvement Opportunities in the Early Design Cycle