Results 71 to 80 of about 358,513 (400)
Advanced Engineering Materials, EarlyView.This study investigates laser shock peening for enhancing fatigue performance of riveted aerospace aluminum joints. A comparative approach with cold expansion combines fatigue testing and synchrotron X‐ray methods. Integrating mechanical testing with residual stress and strain characterization provides insights into how different treatments affect the ...
Ogün Baris Tapar +6 more
wiley +1 more source
Considerations for High-Fidelity Modeling of Unsteady Flows in a Multistage Axial Compressor
International Journal of Turbomachinery, Propulsion and PowerThis paper presents the development and validation of a high-fidelity, unsteady, computational fluid dynamics (CFD) model of the Purdue 3-Stage Axial Research Compressor. A grid convergence study assesses the spatial discretization accuracy of the single-
Douglas R. Matthews, Nicole L. Key
doaj +1 more source
The Implications of Tolerance Optimization on Compressor Blade Design [PDF]
, 2014 Geometric variability increases performance variability and degrades the mean performance of turbomachinery compressor blades. These detrimental effects can be reduced by using robust optimization to design the blade geometry or by imposing stricter ...
E. Dow, Qiqi Wang
semanticscholar +1 more source
Advanced Engineering Materials, EarlyView.By combining porous, solid, and carbon fiber‐reinforced thermoplastic polyurethane within a single 3D printed honeycomb structure, this current work achieved precise control over spatial stiffness while ensuring strong interlayer adhesion. The findings demonstrate enhanced energy absorption and densification strain, outperforming traditional uniform ...
Savvas Koltsakidis +2 more
wiley +1 more source
Investigation of methods for equalizing the flow parameters in the axial compressor intake flare
Известия высших учебных заведений: Проблемы энергетики, 2020 The problem of ensuring a uniform velocity field at the air inlet to the first stage of the gas turbine compressor SGT5-2000E with an angular inlet path, that contains an inlet filter, a silencer and an angular intake flare, is considered.
A. E. Zaryankin +2 more
doaj +1 more source
Flight-measured inlet pressure transients accompanying engine compressor surges on the F-111A airplane [PDF]
Two-F-111A airplanes were subjected to conditions that caused engine compressor surges and accompanying duct hammershock pressure transients. Flight speed ranged from Mach 0.71 to Mach 2.23, and altitude varied from approximately 3200 meters to 14,500 ...
Holzman, J. K., Nugent, J.
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Advanced Engineering Materials, EarlyView.This study reports the fabrication of trabecular bioactive glass scaffolds (composition “1d”: 46.1SiO2‐28.7CaO‐8.8MgO‐6.2P2O5‐5.7CaF2‐4.5Na2O wt%) through vat photopolymerization and the relevant results from mechanical testing and in vivo implantation procedures in rabbit femora, showing great promise for bone tissue engineering applications.
Dilshat Tulyaganov +8 more
wiley +1 more source
Selecting a method for reducing friction in rotary refrigeration compressors developed for import substitution [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"The article discusses one of the methods for reducing friction, used for newly developed rotary compressors as part of import substitution work. The experience of using rotary refrigeration compressors is analyzed and the main factors determining ...
N. A. Kudla, A. V. Burakov
doaj +1 more source
A New Method for Impeller Inlet Design of Supercritical CO2 Centrifugal Compressors in Brayton Cycles [PDF]
, 2020 Xiaojian Li +4 more
openalex +1 more source
Helium compressors for closed-cycle, 4.5-Kelvin refrigerators [PDF]
An improved helium compressor for traveling-wave maser and closed-cycle refrigerator systems was developed and is currently being supplied to the DSN. This new 5-hp compressor package is designed to replace the current 3-hp DSN compressors.
Hanson, T. R.
core +1 more source