Journal ArticleDOI
Ultrasonic fragmentation of agglomerate powders
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TLDR
In this paper, a theory for ultrasonic fragmentation of agglomerate particles suspended in liquids is presented, and an expression for the fragmentation rate as a function of ultra-osnic power and agglerate size is derived.About:
This article is published in Chemical Engineering Science.The article was published on 1993-01-01. It has received 134 citations till now. The article focuses on the topics: Particle size & Particle-size distribution.read more
Citations
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Journal ArticleDOI
High-speed observation of the effects of ultrasound on liquid mixing and agglomerated crystal breakage processes
TL;DR: In this article, a Kodak Ektapro Hs motion analyzer is applied to observe the ultrasonic effect on the mixing and breakage processes of agglomerated crystals suspended in ethanol.
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An assessment of low-order methods for solving the breakage equation
TL;DR: The accuracy of several versions of the method of moments is examined and the results allow the selection of the best method for a particular problem and the a priori estimation of the error associated with the use of a specific method.
Journal ArticleDOI
Role of crystal structure on CO2 capture by limestone derived CaO subjected to carbonation/recarbonation/calcination cycles at Ca-looping conditions
Jose Manuel Valverde,Pedro E. Sánchez-Jiménez,Luis A. Pérez-Maqueda,Miguel Ángel Sánchez Quintanilla,J. Perez-Vaquero +4 more
TL;DR: In this paper, the authors analyzed the effect of pre-treatment and cycling effects on the mechanical strength of the calcined CaO and showed that the effects of pretreatment effects and thermal annealing on the material's mechanical strength hampers the CaO's performance.
Journal ArticleDOI
Effects of Sample Preparation on Particle Size Distributions of Different Types of Silica in Suspensions.
TL;DR: The ultrasonic dispersion of SAS at medium levels of energy density is suggested as a reasonable compromise to produce SAS suspensions for toxicological in vitro testing.
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Sonocrystallisation: Observations, theories and guidelines
Jeroen Jordens,Bjorn Gielen,Christos Xiouras,Mohammed Noorul Hussain,Georgios D. Stefanidis,Leen C.J. Thomassen,Leen Braeken,Tom Van Gerven +7 more
TL;DR: A comprehensive overview of the recent advances in sonocrystallization can be found in this paper, where the observed effects of ultrasound on the different stages of the crystallization process are discussed.
References
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Journal ArticleDOI
Collapse of an initially spherical vapour cavity in the neighbourhood of a solid boundary
TL;DR: In this paper, a numerical method was proposed to solve the problem of balloon bubble collapse near a plane solid wall, using finite time steps and an iterative technique for applying the boundary conditions at infinity directly to the liquid at a finite distance from the free surface.
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Cavitation produced by Ultrasonics
B E Noltingk,E A Neppiras +1 more
TL;DR: In this article, the problem of cavitation produced by ultrasonic vibration is examined theoretically, and it is predicted that all cavitation phenomena will diminish and finally disappear as the frequency is raised.
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Agglomerate and Particle Size Effects on Sintering Yttria‐Stabilized Zirconia
TL;DR: In this article, the initial-, intermediate-, and final-stage sintering of fine crystallite yttria-stabilized zirconia was studied, and it was found that agglomerates limit attainable green density, interfere with the development of microstructure, impede initial-stage Sintering kinetics, and limit the potential benefit of the fine crystallites on final stage sinterings.