Results 41 to 50 of about 18,396 (294)

Direct measurement of ultrasonic activity on microbial metabolism and analysis of related uncertainty [PDF]

open access: yes, 2013
The scope of this work is to identify the relation that exists between the alterations of the bacterial metabolism and the exposition to an ultrasonic field (O'Leary et al. 1997, Piyasena et al. 2003, Brujan2004).
Erriu, Matteo
core   +1 more source

Effect of Ultrasonic Shot Peening on the Cavitation Erosion Resistance of SLM316L Stainless Steel [PDF]

open access: yesCailiao Baohu
In order to investigate the effect of ultrasonic shot peening on the cavitation erosion resistance of SLM316L stainless steel, the surface of SLM316L stainless steel was treated for varying durations (5, 25 and 45 min) using an ultrasonic shot peening ...
WANG Zenan, CHENG Feng, WANG Shuo, SUN Jie
doaj   +1 more source

Unveiling the Potential of Cavitation Erosion-Induced Heavy Crude Oil Upgrading

open access: yesFluids, 2023
The application of ultrasonic waves in the processing of hydrocarbons is a new promising technology that has developed rapidly in recent years. However, the acoustic-induced cavitation erosion phenomenon is poorly studied.
Gadel F. Baimukhametov   +10 more
doaj   +1 more source

The collapse of single bubbles and approximation of the far-field acoustic emissions for cavitation induced by shock wave lithotripsy [PDF]

open access: yes, 2011
Recent clinical trials have shown the efficacy of a passive acoustic device used during shock wave lithotripsy (SWL) treatment. The device uses the far-field acoustic emissions resulting from the interaction of the therapeutic shock waves with the tissue
Turangan, C.K.   +7 more
core   +1 more source

Material Removal Characteristics of Spherical-Array-Focused Ultrasonic Abrasive Machining

open access: yesMicromachines, 2023
To improve the ultrasonic energy and realize far-field ultrasonic abrasive machining of complex surfaces, a spherical-array-focused ultrasonic abrasive machining system was established.
Bo Du   +5 more
doaj   +1 more source

Study on ultrasonic / hydraulic cavitation field for enhanced degradation of ceflor masonry in water [PDF]

open access: yesBIO Web of Conferences, 2022
Based on ultrasonic cavitation, with low concentration of levofloxacin hydrochloride solution and cavitation product analysis, the degradation rules of levofloxacin hydrochloride were studied by ultrasonic, zero valent iron and zero valence iron (US ...
Liu Yuanyuan, Shi Yahui
doaj   +1 more source

Hot dip process of aluminum alloy based on nonlinear ultrasonic cavitation effect

open access: yesCailiao gongcheng, 2021
20 kHz ultrasounds were applied in the process of 390 ℃ hot dip galvanization of 1050 aluminum alloy. The evolution of the cavitation bubbles were solved numerically from the Keller-Miksis and Mettin equations.
CHEN Hai-yan   +5 more
doaj   +1 more source

Ultrasonic Cavitation Treatment of Metallic Alloys [PDF]

open access: yes, 2020
This Special Issue scrutinizes the use of ultrasonic-cavitation melt treatment in technology of high-quality metallic alloys with improved mechanical properties, and assesses the driving mechanisms of cavitation-induced effects, such as grain refinement,
Eskin, Dmitry, Tzanakis, Iakovos
core   +1 more source

Processing and Microstructure Characteristics of As-Cast A356 Alloys Manufactured via Ultrasonic Cavitation during Solidification

open access: yesHigh Temperature Materials and Processes, 2017
Recent studies have showed that the microstructure and mechanical properties of A356 alloy can be significantly improved when ultrasonic cavitation and solidification processing is used. This is because during the fabrication of A356 castings, ultrasonic
Xuan Yang, Jia Shian, Nastac Laurentiu
doaj   +1 more source

Numerical study of the synergistic effect of cavitation and micro-abrasive particles

open access: yesUltrasonics Sonochemistry, 2022
In ultrasonic-assisted machining, the synergistic effect of the cavitation effect and micro-abrasive particles plays a crucial role. Studies have focused on the investigation of the micro-abrasive particles, cavitation micro-jets, and cavitation shock ...
Yingze Fu   +3 more
doaj   +1 more source

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