Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 2015 While developing effective ion-plasma coatings compositions of woodcutting tools special conditions of its use should be taken into account particularly the force rate acting on the cutting wedge.
Pavel Viktorovič Rudak +6 more
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Materials, 2017 In this paper, the sensitivity of the structural integrity of wind turbine blades to debonding of the shear web from the spar cap was investigated. In this regard, modal analysis, static and fatigue testing were performed on a 45.7 m blade for three ...
O. Al-Khudairi +5 more
semanticscholar +1 more source
The meteoritic origin of Tutankhamun's iron dagger blade
, 2016 Scholars have long discussed the introduction and spread of iron metallurgy in different civilizations. The sporadic use of iron has been reported in the Eastern Mediterranean area from the late Neolithic period to the Bronze Age.
D. Comelli +12 more
semanticscholar +1 more source
Concepts for a theoretical and experimental study of lifting rotor random loads and vibrations. Phase 6-A: Effects of blade torsion, of blade flap bending flexibility and of rotor support flexibility on rotor stability and random response [PDF]
The effects of lifting rotor blade torsion, blade flap bending flexibility and rotor support flexibility on rotor stability and random response are described.
Hohenemser, K. H., Yin, S. K.
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Control of the leakage flow and heat transfer characteristics at the blade tip by cavity filling
, 2023 Lei Li +5 more
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An interactive grid generation procedure for axial and radial flow turbomachinery [PDF]
A combination algebraic/elliptic technique is presented for the generation of three dimensional grids about turbo-machinery blade rows for both axial and radial flow machinery.
Beach, Timothy A.
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Unsteady blade pressure measurements on a model counterrotation propeller [PDF]
In an exploratory effort an advanced counterrotation propeller instrumented with blade-mounted pressure transducers was tested in the NASA Lewis 9- by 15-Foot Anechoic Wind Tunnel at a simulated takeoff and landing speed of Mach 0.20. The propeller's aft
Heidelberg, Laurence J. +1 more
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Programs for calculating quasi-three-dimensional flow in a turbomachine blade row [PDF]
MERIDL is a program that calculates a meridional plane stream function solution, and TSONIC is a program that calculates a blade to blade stream function solution for turbomachine blade passages.
Katsanis, T.
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Design of a Blade Antenna Embedded in Low-Cost Dielectric Substrate
Journal of Microwaves, Optoelectronics and Electromagnetic ApplicationsA design of a blade antenna embedded in low-cost dielectric substrate (FR4) and operating at 4.97 GHz is the subject of this paper. The antenna design is accomplished using parametric analysis in the HFSS™ software, where the antenna dimensions are ...
Waleska F. Silva +2 more
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Research on path planning of robotic ultrasonic surface strengthening for turbine blade based on dynamic response of ultrasonic surface strengthening [PDF]
, 2019 Shanxiang Fang +5 more
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