Generating porosity spectrum of carbonate reservoirs using ultrasonic imaging log
Sign Up to like & getrecommendations! Published in 2018 at "Acta Geophysica"
DOI: 10.1007/s11600-018-0134-1
Abstract: Imaging logging tools can provide us the borehole wall image. The micro-resistivity imaging logging has been used to obtain borehole porosity spectrum. However, the resistivity imaging logging cannot cover the whole borehole wall. In this… read more here.
Keywords: using ultrasonic; porosity; ultrasonic imaging; spectrum ... See more keywords
Peening narrow nozzles of reactor pressure vessels using ultrasonic cavitation
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-017-1021-4
Abstract: A peening approach using ultrasonic cavitation was proposed to peen the inner surfaces of narrow nozzles of reactor pressure vessels. The working theory for the present approach was described and numerically demonstrated. A proof-of-concept experiment… read more here.
Keywords: using ultrasonic; nozzles reactor; ultrasonic cavitation; narrow nozzles ... See more keywords
3D printing of extremely viscous materials using ultrasonic vibrations
Sign Up to like & getrecommendations! Published in 2018 at "Additive manufacturing"
DOI: 10.1016/j.addma.2018.04.029
Abstract: Abstract Heterogeneous materials used in biomedical, structural and electronics applications contain a high fraction of solids (>60 vol.%) and exhibit extremely high viscosities (μ > 1000 Pa s), which hinders their 3D printing using existing technologies. This study shows that… read more here.
Keywords: using ultrasonic; printing extremely; extremely viscous; ultrasonic vibrations ... See more keywords
Using ultrasonic velocity for monitoring and analysing biodiesel production
Sign Up to like & getrecommendations! Published in 2018 at "Fuel"
DOI: 10.1016/j.fuel.2018.04.039
Abstract: Abstract This paper presents an ultrasonic method capable of being applied in a process line for monitoring the soybean oil transesterification with methanol, catalysed by KOH. Four production routes had been studied, varying the concentration… read more here.
Keywords: using ultrasonic; production; method; monitoring ... See more keywords
Using ultrasonic and microwave devices to dry and disperse soils with high Fe2O3 content from Brazil
Sign Up to like & getrecommendations! Published in 2021 at "Geoderma Regional"
DOI: 10.1016/j.geodrs.2021.e00419
Abstract: Abstract Our aim was to use the domestic microwave to dry different tropical soils with an iron oxide (Fe2O3) content in the clay fraction, as well as to disperse them using ultrasonic energy. We used… read more here.
Keywords: soils high; content; domestic microwave; using ultrasonic ... See more keywords
Cleaner production of 5-hydroxymethylfurfural from fructose using ultrasonic propagation
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2018.06.305
Abstract: Abstract In this survey, ultrasonic irradiation was used as a source of energy and a mild method for producing 5-hydroxymethylfurfural (5-HMF) from fructose in the presence of SBA-15 grafted with different amount of alumina at… read more here.
Keywords: using ultrasonic; hydroxymethylfurfural fructose; production; cleaner production ... See more keywords
Modification of polyethersulfone ultrafiltration membrane using ultrasonic-assisted functionalized MoS2 for treatment of oil refinery wastewater
Sign Up to like & getrecommendations! Published in 2020 at "Separation and Purification Technology"
DOI: 10.1016/j.seppur.2019.116495
Abstract: Abstract In this research, bulk MoS2 was exfoliated and functionalized using ultrasonic irradiation. The prepared nanolayered MoS2 was characterized using scanning electron microscopy (SEM), UV-Vis absorption, Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD)… read more here.
Keywords: using ultrasonic; nanocomposite membrane; microscopy; wastewater ... See more keywords
Sizing of flaws using ultrasonic bulk wave testing: A review.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics"
DOI: 10.1016/j.ultras.2018.03.003
Abstract: Ultrasonic testing is a non-destructive method that can be used to detect, locate and size flaws. The purpose of this paper is to review techniques that utilise ultrasonic bulk waves to size flaws. Flaws that… read more here.
Keywords: ultrasonic bulk; using ultrasonic; sizing flaws; review ... See more keywords
Experimental investigation on ball plate contact using ultrasonic reflectometry: From static to dynamic.
Sign Up to like & getrecommendations! Published in 2022 at "Ultrasonics"
DOI: 10.1016/j.ultras.2022.106733
Abstract: Machine elements such as rolling element bearings are widely used in engineering and transportation areas. The life of a bearing is closely related to the stress state in the constituent components. Determining the stress state… read more here.
Keywords: static dynamic; using ultrasonic; ultrasonic reflectometry; contact ... See more keywords
Effects of ultrasonication and conventional mechanical homogenization processes on the structures and dielectric properties of BaTiO3 ceramics.
Sign Up to like & getrecommendations! Published in 2017 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2016.07.027
Abstract: The effects of the homogenization process on the structures and dielectric properties of pure and Nb-doped BaTiO3 ceramics have been investigated using an ultrasonic homogenization and conventional mechanical methods. The reagents were homogenized using an… read more here.
Keywords: using ultrasonic; structures dielectric; dielectric properties; homogenization ... See more keywords
Intensified synthesis of medium chain triglycerides using ultrasonic reactors at a capacity of 4L.
Sign Up to like & getrecommendations! Published in 2018 at "Ultrasonics sonochemistry"
DOI: 10.1016/j.ultsonch.2017.11.044
Abstract: Lipids are considered as one of the most crucial nutrients for humans and among the various classes, medium chain triglycerides (MCTs) are considered as the most important functional foods and nutraceuticals. The present work deals… read more here.
Keywords: medium chain; using ultrasonic; conversion; chain triglycerides ... See more keywords