Velocity measurement of the liquid–solid flow in a vertical pipeline using gamma-ray absorption and weighted cross-correlation

R Hanus, L Petryka, M Zych - Flow Measurement and Instrumentation, 2014 - Elsevier
Developing technology for the deep-sea mining of polymetallic nodules requires, theoretical
analyses, simulation and numerous experimental studies. In this paper authors focused on …

Non-invasive imaging of liquid/gas flow using ultrasonic transmission-mode tomography

RA Rahim, MHF Rahiman, KS Chan… - Sensors and Actuators A …, 2007 - Elsevier
This paper details the development of non-invasive ultrasonic tomography for imaging liquid
and gas flow. Transmission-mode approach has been used for sensing the liquid/gas two …

Application of the Hilbert Transform to measurements of liquid–gas flow using gamma ray densitometry

R Hanus - International Journal of Multiphase Flow, 2015 - Elsevier
Measuring parameters of two-phase flows usually requires contactless measuring
techniques to be used together alongside advanced methods of signal processing. One of …

Reaction engineering: Status and future challenges

MP Dudukovic - Chemical Engineering Science, 2010 - Elsevier
This manuscript summarizes the plenary lecture delivered at the ISCRE 20 meeting in Kyoto
on Tuesday, September 9, 2008. The scope, history and status of our chemical reaction …

Flow field of suspended solids in a stirred tank reactor by Lagrangian tracking

D Guha, PA Ramachandran, MP Dudukovic - Chemical Engineering …, 2007 - Elsevier
Solid–liquid stirred tank reactors are widely used in the chemical, biochemical and mineral
processing industries. Characterization of solid hydrodynamics in these reactors is essential …

Multiphase Flows and Process Industries

VV Ranade, RP Utikar - Multiphase Flows for Process Industries …, 2022 - Wiley Online Library
The advances in both experimental characterization as well as computational modeling over
the last couple of decades have provided process engineers unprecedented opportunities to …

Evaluation of large Eddy simulation and Euler‐Euler CFD models for solids flow dynamics in a stirred tank reactor

D Guha, PA Ramachandran, MP Dudukovic… - AIChE …, 2008 - Wiley Online Library
Mechanically agitated reactors find wide range of applications for solid suspension and
mixing in the chemical, biochemical, and mineral processing industries. Understanding the …

Investigation of turbulent fluid flows in stirred tanks using a non-intrusive particle tracking technique

H Bashiri, E Alizadeh, F Bertrand, J Chaouki - Chemical Engineering …, 2016 - Elsevier
Fully turbulent fluid flows in a laboratory-scale stirred tank (ST) equipped with a radial flow
impeller (Rushton turbine; RT) or an axial flow impeller (pitched blade turbine; PBT) were …

A Lagrangian description of flows in stirred tanks via computer-automated radioactive particle tracking (CARPT)

AR Rammohan, A Kemoun, MH Al-Dahhan… - Chemical engineering …, 2001 - Elsevier
In this study, computer-automated radioactive particle tracking (CARPT) is implemented for
the first time in the characterization of flows in stirred tanks. Both the experimental technique …

On the accuracy of void fraction measurements by single-beam gamma-densitometry for gas–liquid two-phase flows in pipes

P Stahl, PR von Rohr - Experimental Thermal and Fluid Science, 2004 - Elsevier
Gamma-densitometry is a widespread method of measuring non-intrusively the local void
fraction of gas–liquid two-phase pipe flows. Using standard single-beam gamma …