Results 31 to 40 of about 4,505,193 (146)

Experimental Analysis of the Three Dimensional Flow in a Wells Turbine Rotor

open access: yesInternational Journal of Turbomachinery, Propulsion and Power, 2023
An experimental investigation of the local flow field in a Wells turbine has been conducted, in order to produce a detailed analysis of the aerodynamic characteristics of the rotor and support the search for optimized solutions.
Fabio Licheri   +3 more
doaj   +1 more source

In Situ Production of Titanium Aluminides during Wire Arc Additive Manufacturing with Hot-Wire Assisted GMAW Process

open access: yesMetals, 2019
As part of a feasibility study, an alternative production process for titanium aluminides was investigated. This process is based on in situ alloying by means of a multi-wire technique in the layer-wise additive manufacturing process.
Philipp Henckell   +4 more
doaj   +1 more source

A Comprehensive Physical Profile for Aqueous Dispersions of Carbon Derivatives as Solar Working Fluids

open access: yesApplied Sciences, 2020
The application of nanofluids in direct solar absorption, heat transfer or direct solar steam generation entails carrying out a comprehensive study taking into account several physical quantities.
Elisa Sani   +6 more
doaj   +1 more source

Mechanical properties of wire arc additive manufactured carbon steel cylindrical component made by gas metal arc welding process

open access: yesJournal of the Mechanical Behavior of Materials, 2021
Wire arc additive manufacturing (WAAM), a welding-based additive manufacturing (AM) method, is a hot topic of research since it allows for the cost-effective fabrication of large-scale metal components at relatively high deposition rates.
Nagasai Bellamkonda Prasanna   +2 more
doaj   +1 more source

A numerical study of temperature effects on hot wire measurements inside turbulent channel flows [PDF]

open access: yes, 2013
A way to investigate turbulence is through experiments where hot wire measurements are performed. Analysis of the in turbulence of a temperature gradient on hot wire measurements is the aim of this thesis work.
Malizia, Fabio
core  

CALCULATION-EXPERIMENTAL DETERMINATION OF THE AVERAGE NUMBER OF QUANTIZED LONGITUDINAL ELECTRON DE BROGLIE HALF WAVES IN A CYLINDRICAL CONDUCTOR WITH PULSED AXIAL CURRENT

open access: yesElectrical engineering & Electromechanics, 2020
Purpose. Implementation of calculation-experimental determination of average number n0m of the quantized longitudinal electron de Broglie half waves of length λezm/2 in the metal cylindrical conductor with the pulsed axial current of high density ...
M. I. Baranov, S. V. Rudakov
doaj   +1 more source

Flow characterization of microscale effusion and transpiration air cooling on single blade

open access: yesCase Studies in Thermal Engineering, 2022
Micro cooling has drawn attention as the next-generation cooling technique that is better than film cooling for a high-temperature turbine blade. Not to reduce the gas turbine efficiency while having high blade cooling effectiveness, it recommends that ...
Mingeon Kim   +3 more
doaj   +1 more source

Thermophysical Properties of Nanofluids Composed of Ethylene Glycol and Long Multi-Walled Carbon Nanotubes

open access: yesFluids, 2020
In this work, thermal conductivity, viscosity, isobaric heat capacity, and density of stable carbon-based nanofluids are presented. The nanofluids under study are composed of 1,2-ethanediol (ethylene glycol, EG) and long multi-walled carbon nanotubes ...
Karolina Brzóska   +4 more
doaj   +1 more source

Numerical and experimental determination of the minimum and maximum measuring times for the hot wire parallel technique

open access: yesCerâmica, 2003
The hot wire technique is considered to be an effective and accurate means of determining the thermal conductivity of ceramic materials. However, specifically for materials of high thermal diffusivity, the appropriate time interval to be considered in ...
Santos W. N. dos, Gregório R.
doaj  

The Application of Encaustic Technique in the Creation of LIMBOSIS Figurative Sculpture Artworks

open access: yesEkspresi Seni: Jurnal Ilmu Pengetahuan dan Karya Seni
This study explores the use of the encaustic technique in creating sculpture art themed around the quarter-life crisis. The encaustic technique, which involves the application of hot wax on figures made of wire and polyurethane, was chosen for its ...
Siti Nur Kholisoh   +2 more
doaj   +1 more source

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