Evaluation of Thermal Damage Impact on Microstructure and Properties of Carburized AISI 9310 Gear Steel Grade by Destructive and Non-Destructive Testing Methods. [PDF]
Materials (Basel), 2021 Dychtoń K, Gradzik A, Kolek Ł, Raga K.
europepmc +1 more source
Sand Discharge Simulation and Flow Path Optimization of a Particle Separator. [PDF]
Entropy (Basel), 2023 Du Z, Ma Y, Xu Q, Wu F.
europepmc +1 more source
Advanced General Aviation Turbine Engine (GATE) study [PDF]
The small engine technology requirements suitable for general aviation service in the 1987 to 1988 time frame were defined. The market analysis showed potential United States engines sales of 31,500 per year providing that the turbine engine sales price ...
Benstein, E. H., Smith, R.
core +1 more source
Review of the transmissions of the Soviet helicopters [PDF]
A review of the following aspects of Soviet helicopter transmissions is presented: transmitted power, weight, reduction ratio, RPM, design configuration, comparison of different type of manufacturing methods, and a description of the materials and ...
Chaiko, Lev I.
core +1 more source
Helicopter Turboshaft Engine Residual Life Determination by Neural Network Method
ElectronicsA neural network method has been developed for helicopter turboshaft engine residual life determination, the basis of which is a hierarchical system, which is represented in neural network model form, consisting of four layers, which determines the numerical value of the residual life.
Serhii Vladov +4 more
openaire +1 more source
Rotor systems research aircraft predesign study. Volume 4: Preliminary draft detail specification [PDF]
The RSRA requirements are presented in a detail specification format. Coverage of the requirements includes the following headings: (1) aircraft characteristics, (2) general features of design and construction, (3) aerodynamics, (4) structural design ...
Linden, A. W., Miller, A. N.
core +1 more source
NASA Quiet Clean General Aviation Turbofan (QCGAT) program status [PDF]
The suitability of large engine technology to reduce noise, emissions, and fuel consumption of small turbine engines and develop new technology where required is determined.
Bresnahan, D. L., Sievers, G. K.
core +1 more source
Rotorcraft flight-propulsion control integration [PDF]
The NASA Ames and Lewis Research Centers, in conjunction with the Army Research and Technology Laboratories have initiated and completed, in part, a joint research program focused on improving the performance, maneuverability, and operating ...
Ballin, Mark G. +2 more
core +1 more source
A Survey of Current Rotorcraft Propulsion Health Monitoring Technologies [PDF]
A brief review is presented on the state-of-the-art in rotorcraft engine health monitoring technologies including summaries on current practices in the area of sensors, data acquisition, monitoring and analysis.
Delgado, Irebert R. +2 more
core +1 more source