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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
Aerospace

Bringing Turbine Power to Small Aircraft

A regenerative, high-temperature heat exchanger doubles the efficiency of low-power turbines.

Articles
Materials

Limiting Creep in Aerospace Materials

Creep is an especially important consideration for engineers designing jet engine turbines.

Articles
Power

Microturbine Propulsion for UAVs

The continued use of reciprocating engines has limited the UAV market’s ability to reach its true growth potential.

Briefs
Materials

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...

Articles
Defense

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,...

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
Photonics/Optics

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...

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...

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
Mechanical & Fluid Systems

Film Cooling Using Pulsed Coolant

Turbine engine designers routinely use film cooling to cool engine components in the hot-gas flowpath. 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...