Results 31 to 40 of about 683,706 (365)

Polarization‐resolved femtosecond Vis/IR spectroscopy tailored for resolving weak signals in biological samples using minimal sample volume

open access: yesFEBS Open Bio, EarlyView.
Unique biological samples, such as site‐specific mutant proteins, are available only in limited quantities. Here, we present a polarization‐resolved transient infrared spectroscopy setup with referencing to improve signal‐to‐noise tailored towards tracing small signals. We provide an overview of characterizing the excitation conditions for polarization‐
Clark Zahn, Karsten Heyne
wiley   +1 more source

Insight into Damping Sources in Turbines

open access: yesFatigue of Aircraft Structures, 2023
Blade vibrations in aircraft engines are a significant challenge that must be overcome during the design and development of modern turbine engines.
Moneta Grzegorz
doaj   +1 more source

Mechanochemical Synthesis and Characterization of Nanostructured ErB4 and NdB4 Rare‐Earth Tetraborides

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
ErB4 and NdB4 nanostructured powders are produced by mechanochemical synthesis. 5 h mechanical alloying and 4 M HCl acid leaching are used in the production. ErB4 and NdB4 powders exhibit maximum magnetization of 0.4726 emu g−1 accompanied with an antiferromagnetic‐to‐paramagnetic phase transition at about TN = 18 K and 0.132 emu g−1 with a maximum at ...
Burçak Boztemur   +5 more
wiley   +1 more source

Application of Wake Characteristics to Prediction of Broadband Noise of a Multiblade Fan

open access: yesJournal of Fluid Science and Technology, 2008
In this study, the wake characteristics of an arc blade were measured by the wind tunnel experiment; the characteristics were defined as the width of the wake, diameter of the vortex, ratio of the vortex scale, and the local lift.
Soichi SASAKI, Hidechito HAYASHI
doaj   +1 more source

Working Mechanism and Parameter Optimization of a Crushing and Impurity Removal Device for Liquid Manure

open access: yesAgriculture, 2022
Aiming to solve the problems of easy clogging and high energy consumption of multi-way fertilization devices for liquid manure, a crushing and impurity removal device for liquid manure was designed by combining the physical characteristics of liquid ...
Biao Ma   +5 more
doaj   +1 more source

High resolution computation of the aerodynamics and acoustics of blade vortex interaction [PDF]

open access: yes, 2008
In the present work, high resolution CFD simulations have been performed on an idealised problem of the interaction of an independently generated vortex with a rotor blade, including a case where the vortex directly impacts on the blade.
Duraisamy, K., Thom, A.
core  

Understanding the Effect of Resistance Temperature Detector Temperature Controllers on Microstructural Alignment in Magnetic Freeze Casting

open access: yesAdvanced Engineering Materials, EarlyView.
The effect of temperature controllers that are commonly used in freeze‐casting is investigated in this work. Temperature controllers are observed to generate a voltage in the slurry. Microstructural alignment and ultimate compressive strength data show this voltage to interfere with the ability to align the microstructure using magnetic fields ...
Maddie A. Schmitz, Steven E. Naleway
wiley   +1 more source

Measurement of Unsteady Aerodynamics Load on the Blade of Field Horizontal Axis Wind Turbine

open access: yesJournal of Fluid Science and Technology, 2008
This paper describes an experimental field study of the rotor aerodynamics of wind turbines. The test wind turbine is a horizontal axis wind turbine, or: HAWT with a diameter of 10m.
Yasunari KAMADA   +4 more
doaj   +1 more source

The Effect of Blade Angle Deviation on Mixed Inflow Turbine Performances

open access: yesApplied Sciences, 2022
The choice of blades for mixed turbines is to achieve the required deflection with minimal losses. In addition, it is necessary that the blade functions without a detachment in a wide area outside the nominal operating point of the machine.
Mohammed Amine Chelabi   +6 more
doaj   +1 more source

Comparison of calculated and experimental cascade performance for controlled-diffusion compressor stator blading [PDF]

open access: yes, 1986
The mid-span section of a previously reported controlled-diffusion compressor stator has been experimentally evaluated in cascade. Measurements are taken over a range of incidence angles for blade chord Reynolds numbers from 470,000 to 690,000.
Sanger, N. L., Shreeve, R. P.
core   +1 more source

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