Ultrasonically Enhanced Physical Properties of Milky Cement for Ground Improvement
Sign Up to like & getrecommendations! Published in 2019 at "KSCE Journal of Civil Engineering"
DOI: 10.1007/s12205-019-2357-3
Abstract: This study investigated the change created in physical properties by irradiating ultrasonic waves in Portland cement grout. In previous research, the grout equipment was scaled-up and a grout circulation system was used for the experiment.… read more here.
Keywords: grout; physical properties; ultrasonically enhanced; ultrasonic waves ... See more keywords
Detecting cracks due to steel corrosion in reinforced cement mortar using intermodulation generation of ultrasonic waves
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.122915
Abstract: Abstract It has been studied the sensitivity of the technique of intermodulation of ultrasonic waves to detect different damage states of concrete due to embedded steel corrosion. Accelerated corrosion tests have been conducted on reinforced… read more here.
Keywords: cement mortar; ultrasonic waves; corrosion; intermodulation ... See more keywords
An optimization study on heat transfer of pool boiling exposed ultrasonic waves and particles addition
Sign Up to like & getrecommendations! Published in 2020 at "International Communications in Heat and Mass Transfer"
DOI: 10.1016/j.icheatmasstransfer.2020.104558
Abstract: Abstract Pool boiling has a significant role in energy transfer in different industrial fields. In this study, the effects of CuO particles and combining to ultrasonic wave's irradiation (24 kHz) on heat transfer of water pool… read more here.
Keywords: ultrasonic waves; pool boiling; heat transfer; transfer ... See more keywords
Defoaming of industrial lean methyldiethanolamine solution using ultrasonic waves and their kinetic studies
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2020.103478
Abstract: Abstract Amine foaming is a well-known incident in the natural gas sweetening unit. In this study, anionic surfactant sodium dodecylbenzenesulfonate (SDBS) and cationic surfactant hexadecyltrimethylammonium bromide (HTAB) were used as model foam creators in industrial… read more here.
Keywords: lean methyldiethanolamine; ultrasonic waves; industrial lean; solution ... See more keywords
Characterization of the wax precipitation in Iranian crude oil based on wax appearance temperature (WAT): The influence of ultrasonic waves
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2019.127239
Abstract: Abstract In this study, the effect of ultrasonic waves on the wax appearance temperature (WAT) of a crude oil sample was investigated. For this purpose, the crude oil was exposed to ultrasonic radiation at 2,… read more here.
Keywords: temperature; ultrasonic waves; crude oil; oil ... See more keywords
Numerical investigation of natural convection heat transfer in a cylindrical enclosure due to ultrasonic vibrations
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics"
DOI: 10.1016/j.ultras.2016.12.010
Abstract: HighlightsNumerical study of natural convection due to ultrasonic waves.A CFD code was developed in C programming language.Lagrangian approach was used to write continuity, momentum and energy equation.Enhancement heat transfer up to 170% by using ultrasonic… read more here.
Keywords: heat; ultrasonic waves; heat transfer; natural convection ... See more keywords
Cavitation clouds in gas-containing liquids block low-frequency components of ultrasonic waves
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Applied Physics"
DOI: 10.1063/1.5052472
Abstract: Intense single-frequency ultrasonic waves generate cavitation clouds in liquids, while at the same time, the pulsating cavitation bubbles emit broadband noise. In gas-containing liquids such as soda and beer, an ultrasonic source with a driving… read more here.
Keywords: gas containing; cavitation; frequency; ultrasonic waves ... See more keywords
Finite difference simulation and experimental study of ultrasonic waves propagation in inhomogeneous piezoelectrically active composites
Sign Up to like & getrecommendations! Published in 2019 at "Ferroelectrics"
DOI: 10.1080/00150193.2019.1570013
Abstract: Abstract In this paper, a comprehensive study including computer 3D simulation, microstructural studies, and experimental measurements of different composites structures was carried out. The Wave 3000 finite differences software package was used for simulation. The… read more here.
Keywords: inhomogeneous piezoelectrically; ultrasonic waves; waves propagation; piezoelectrically active ... See more keywords
Numerical Decoupling Study of EMAT Testing Signal for Ferromagnetic Materials
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Sensors Journal"
DOI: 10.1109/jsen.2019.2959601
Abstract: To improve the efficiency and robustness of electromagnetic ultrasonic testing, magneto-acoustic compound inspection for ferromagnetic materials is proposed. Both ultrasonic waves and pulsed eddy current (PEC) could be obtained by the single detection of an… read more here.
Keywords: testing signal; force; ultrasonic waves; wave ... See more keywords
On Interaction of Elastic Waves with “Semitransparent” Defects
Sign Up to like & getrecommendations! Published in 2020 at "Russian Journal of Nondestructive Testing"
DOI: 10.1134/s1061830920060030
Abstract: The issues of identifying discontinuities that partially transmit ultrasonic waves are examined. Such defects are widespread in various products and welded joints of metals and plastics. Examples of “semitransparent” defects include lacks of fusion, “dead… read more here.
Keywords: waves semitransparent; interaction elastic; ultrasonic waves; elastic waves ... See more keywords
Influence of ultrasonic waves and conventional extraction methods on phenolic compound yield and phytochemical composition from Punica granatum L. peel
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Food Engineering"
DOI: 10.1515/ijfe-2020-0176
Abstract: Abstract The objective of this work is to extract phenolic compounds from Punica granatum L. peel and to optimize the process variables. In this study, extraction was carried out using soxhlet, solvent and ultrasound-assisted extraction.… read more here.
Keywords: extraction; punica granatum; ultrasonic waves; granatum peel ... See more keywords