Results 141 to 150 of about 3,568 (253)
Propulsion system study for Small Transport Aircraft Technology (STAT) [PDF]
Propulsion system technologies applicable to the generation of commuter airline aircraft expected to enter service in the 1990's are identified and evaluated in terms of their impact on aircraft operating economics and fuel consumption.
Hirschkron, R. +2 more
core +1 more source
RESEACH OF THREE-DIMENSIONAL CRACK GROWTH BASED ON DISK OF TURBO-SHAFT ENGINE
Jixie qiangdu, 2018 Three-dimensional crack growth was analyzed using damage tolerance design-based method and Franc3D to find cause of unexpected fatigue test failure of a turboshaft engine disk,showing that the crack propagation life was shorter than the test inspection ...
AI ShuMin +3 more
doaj
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
The design of a turboshaft speed governor using modern control techniques [PDF]
The objectives of this program were: to verify the model of off schedule compressor variable geometry in the T700 turboshaft engine nonlinear model; to evaluate the use of the pseudo-random binary noise (PRBN) technique for obtaining engine frequency ...
Delosreyes, G., Gouchoe, D. R.
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
Dynamic stability of high speed turboshaft engine with reducer [PDF]
, 2018 Nenad Kolarević +5 more
openalex +1 more source
Evaluation of the Potential of Recuperator on a 300-kW Turboshaft Helicopter Engine [PDF]
, 2020 Chengyu Zhang
openalex
Use of elastomeric elements in control of rotor instability [PDF]
The dynamic characteristics of elastomeric supports are discussed. Stiffness and damping characteristics for elastomers of various geometries including O-rings, buttons loaded in compression, and rectangular elements loaded in shear are presented.
Smalley, A. J.
core +1 more source