Results 11 to 20 of about 669 (145)

Optimized Geometric Structure of a Rotational Hydrodynamic Cavitation Reactor [PDF]

open access: yesJournal of Applied Fluid Mechanics, 2023
The objective of this paper is to obtain an excellent structure of a rotational hydrodynamic cavitation reactor (RHCR) by a numerical method and then to investigate the cavitating flow characteristics of the optimized RHCR experimentally.
Y. Wang   +6 more
doaj   +2 more sources

Continuous acid-catalyzed esterification using a 3D printed rotor–stator hydrodynamic cavitation reactor reduces free fatty acid content in mixed crude palm oil [PDF]

open access: yesUltrasonics Sonochemistry, 2021
Free fatty acid (FFA) content in FFA-rich mixed crude palm oil (MCPO) was reduced through a continuous esterification process. The reaction conditions were optimized, the yield purified esterified oil was determined, and the average total electricity ...
Ye Min Oo   +2 more
doaj   +2 more sources

Crystallization by acoustic and hydrodynamic cavitation: Mechanisms and process scalability [PDF]

open access: yesUltrasonics Sonochemistry
Research on crystallization processes induced by alternative technologies such as acoustic and hydrodynamic cavitation has been gaining popularity over the past few decades.
Vitoria H. Cauduro   +5 more
doaj   +2 more sources

Optimization of Rotational Hydrodynamic Cavitation Reactor Geometry

open access: yesFluids
A Rotary-Pulsation Apparatus (RPA), also known in the literature as a Rotational Hydrodynamic Cavitation Reactor (RHCR), is a device which typically consists of a rotating mechanism that generates pulsations or vibrations within a fluid.
Maxim Omelyanyuk   +4 more
doaj   +2 more sources

Numerical investigation of effect of geometric parameters on performance of rotational hydrodynamic cavitation reactor [PDF]

open access: yesUltrasonics Sonochemistry
The objective of this paper is to discuss the influence of geometric parameters on the performance of the rotational hydrodynamic cavitation reactor (RHCR) using numerical method.
Xiang Zhang   +5 more
doaj   +2 more sources

Effect of protrusion structure on the performance of an advanced hydrodynamic cavitation reactor: An entropy-based analysis [PDF]

open access: yesUltrasonics Sonochemistry
Hydrodynamic cavitation (HC) has emerged as a promising technique for process intensification. Recently developed advanced rotational hydrodynamic cavitation reactors (ARHCRs) have attracted significant attention from both academia and industry due to ...
Gaoju Xia   +5 more
doaj   +2 more sources

Perspectives of Hydrogen Generation in Cavitation–Jet Hydrodynamic Reactor

open access: yesApplied Sciences
The article investigates the potential for producing hydrogen by combining the methods of water splitting under cavitation and the chemical activation of aluminum in a high-speed cavitation–jet flow generated by a specialized hydrodynamic reactor.
G. K. Mamytbekov   +4 more
doaj   +2 more sources

New insights on the cavitation development and the role of bubbles in Micro-Venturi channels [PDF]

open access: yesUltrasonics Sonochemistry
This study investigates hydrodynamic cavitation (HC) inception and development in micro-Venturi channels, focusing on the mechanism that drives spatially irregular cavitation events. The study reveals that cavitation regeneration is primarily governed by
Mohammadamin Maleki   +6 more
doaj   +2 more sources

Study on cavitation and pulsation characteristics of a novel rotor-radial groove hydrodynamic cavitation reactor

open access: yesOpen Physics
Hydrodynamic cavitation is widely used in many fields such as water treatment, impact rock breaking, and food preparation. The performance of hydrodynamic cavitation is closely related to its internal flow field.
Zhang Deman   +5 more
doaj   +2 more sources

Hydrodynamic cavitation as an efficient water treatment method for various sewage:- A review

open access: yesWater Science and Technology, 2022
With the development of industry and the rapid growth of population, the current water treatment technologies face many challenges. Hydrodynamic cavitation as a green and efficient means of water treatment has attracted much attention.
Yongxing Song   +3 more
doaj   +1 more source

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