Results 151 to 160 of about 258,969 (302)

Simple and Accurate Error Probability Evaluation of Multiple-Input–Multiple-Output Systems Using Optimum Linear Combining

open access: yes, 2010
This correspondence motivates simple and accurate evaluation of the error probability of multiantenna multiple-input–multipleoutput (MIMO) systems using optimum linear combining (OLC).
Yang, Lie-Liang, Yang, Wei
core  

A Dislocation Perspective on Strength and Toughness in Ceramics

open access: yesAdvanced Engineering Materials, EarlyView.
Dislocations in ceramics enjoy a long but yet under‐appreciated history. The three research waves for dislocations in ceramics highlight the topic evolution over the last 90 years. This review focuses on the impact of dislocation on strength and toughness in ceramics.
Xufei Fang
wiley   +1 more source

DYNAMIC ERRORS OF THERMAL FIRE DETECTORS

open access: yesMunicipal economy of cities
Mathematical models have been developed for the deterministic dynamic errors of thermal fire detectors of two types: maximum-type and differentiating-type. The derivation of these mathematical models is based on the use of the Laplace integral transform.
openaire   +1 more source

Combined Measurement of Thermal and Optical Properties of Receivers for Parabolic Trough Collectors

open access: yes, 2009
Two new test benches have been developed for the combined measurement of the thermal properties and overall optical efficiencies of receivers for the use in parabolic trough collectors.
Pernpeintner, Johannes   +5 more
core  

Inverse Identification of Energy‐Dependent Laser Absorptivity in NiTi Laser Powder‐Bed Fusion via Calibrated Melt Pool Simulation

open access: yesAdvanced Engineering Materials, EarlyView.
A combined experimental–computational framework identifies energy‐dependent laser absorptivity for NiTi in laser powder‐bed fusion, applicable to conduction and transition modes. Single‐track experiments and thermofluid smoothed particle hydrodynamics simulations are coupled through inverse analysis of melt pool geometry.
Mohamadreza Afrasiabi   +3 more
wiley   +1 more source

Experimental Characterization of Mycelium‐Based Composites Under Multiple Loading Conditions

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines the mechanical response of mycelium‐based composites under compression, shear, and tension using mechanical testing and imaging methods. The comparison between unpressed and hot‐pressed specimens shows that hot pressing is associated with higher compression and shear stiffnesses.
Shaghayegh Elahi   +5 more
wiley   +1 more source

Thermal food processing computation software

open access: yes, 2011
The objective of this research consisted of developing the two following thermal food processing software: “F-CALC” is software developed to carry out thermal process calculations based on the well-known Ball's formula method, and “OPT-PROx” is software ...
Abakarov, Alik
core  

Compatibility of Methacrylate Based Resins Controls Interfacial Failure and Toughness in 3D‐Printed Multimaterial Composites

open access: yesAdvanced Engineering Materials, EarlyView.
This work shows that the mechanical performance of multimaterial digital light processing (DLP) printed thermoset composites is governed by resin compatibility and interfacial design rather than spatial patterning alone. Brittle and ductile resin combinations produced premature interfacial failure, while graded interfaces and mechanically compatible ...
Ahmed M. H. Ibrahim   +3 more
wiley   +1 more source

The effect of alumina/water nanofluid particle size on thermal conductivity

open access: yes, 2013
[[abstract]]This study examines the effect of particle size, temperature, and weight fraction on the thermal conductivity ratio of alumina(Al2O3)/water nanofluids. A Al2O3/water nanofluid produced by the direct synthesis method served as the experimental
Tun-Ping Teng;Yi-Hsuan Hung;Tun-Chien Teng;Huai-En Mo;How-Gao Hsu
core  

Comparison of Triply Periodic Minimal Surface Energy Absorbers Under Uniaxial Compressive Loading

open access: yesAdvanced Engineering Materials, EarlyView.
This study investigates LCD 3D printed Triply Periodic Minimal Surface (TPMS) structures as mechanical energy absorbers. By comparing various base designs and layered combinations under uniaxial compression, it identifies that a Diamond‐Gyroid sandwich structure offers superior performance.
Sergej Grednev   +2 more
wiley   +1 more source

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