Optimization of detector positioning in the radioactive particle tracking technique

O Dubé, D Dubé, J Chaouki, F Bertrand - Applied Radiation and Isotopes, 2014 - Elsevier
The radioactive particle tracking (RPT) technique is a non-intrusive experimental velocimetry
and tomography technique extensively applied to the study of hydrodynamics in a great …

Experimental validation of design and performance parameters of radioactive particle tracking (RPT) experimentation

RK Upadhyay, HJ Pant, S Roy - Applied radiation and isotopes, 2019 - Elsevier
In recent years, radioactive particle tracking (RPT) has emerged as a powerful noninvasive
technique for characterization and visualization of flow in opaque multiphase flow reactors …

Position and velocity of a large particle in a gas/solid riser using the radioactive particle tracking technique

L Godfroy, J Chaouki, F Larachi - The Canadian Journal of …, 1999 - Wiley Online Library
The flow behavior of the solids phase in the fully developed region of a laboratory‐scale
circulating fluidized bed riser was studied using an assembly of sixteen NaI detectors to …

Experimental techniques

M Louge - Circulating fluidized beds, 1997 - Springer
Circulating fluidized beds pose considerable challenges to our understanding. Because it is
not yet possible to produce ab initio predictions of their complex fluid dynamics, transport …

Prediction of effective drag coefficient in fluidized beds

N Mostoufi, J Chaouki - Chemical Engineering Science, 1999 - Elsevier
A radioactive particle tracking technique is used to measure classification velocity of a
radioactive tracer falling in a liquid–solid fluidized bed. The liquid passing through the …

Measurement of overall solids mass flux in a gas–solid circulating fluidized bed

S Bhusarapu, P Fongarland, MH Al-Dahhan… - Powder technology, 2004 - Elsevier
It is important to know the overall solids flux and solids Cycle Time Distribution (CTD) to
properly characterize Circulating Fluidized Bed (CFB) systems. Although conceptually …

Mixing and circulation of solids in spouted beds: particle tracking and Monte Carlo emulation of the gross flow pattern

F Larachi, BPA Grandjean, J Chaouki - Chemical Engineering Science, 2003 - Elsevier
Mixing and circulation of monosized particles in laboratory-scale tapered spouted beds have
been characterized experimentally by measuring non-invasively the 3-D trajectory of a …

Effective drag coefficient investigation in the acceleration zone of an upward gas–solid flow

R Mabrouk, J Chaouki, C Guy - Chemical Engineering Science, 2007 - Elsevier
A new correlation has been developed for the purpose of evaluating the effective drag
coefficient of gas–solid systems of ascending flow. In the proposed expression, the effects of …

[图书][B] Experimental investigation of bubble column hydrodynamics: Effect of elevated pressure and superficial gas velocity

B Ong - 2003 - search.proquest.com
Bubble column reactors are widely used in the chemical and biochemical industries. They
were reactors of choice in syngas conversion to clean fuels and chemicals. Most of the …

Radioactive particle tracking methodology to evaluate concrete mixer using MCNPX code

RS Dam, CM Barbosa, JM Lopes, JL Thalhofer… - Radiation Physics and …, 2019 - Elsevier
In Brazil, concrete and cement are highly used in construction, therefore mixers are widely
used in this industry. During the fabrication process of concrete/cement, the equipment may …