Investigation of hydrodynamic performances of coaxial mixers in agitation of yield-pseudoplasitc fluids: Single and double central impellers in combination with the …

A Kazemzadeh, F Ein-Mozaffari, A Lohi… - Chemical Engineering …, 2016 - Elsevier
The hydrodynamic performance of coaxial mixers, the single and double Scaba impellers in
combination with an anchor impeller, was investigated in the mixing of yield-pseudoplastic …

Mixing viscoplastic fluids in stirred vessels over multiple scales: A combined experimental and CFD approach

AW Russell, L Kahouadji, K Mirpuri, A Quarmby… - Chemical Engineering …, 2019 - Elsevier
Dye visualisation techniques and CFD are used to characterise the flow of viscoplastic
Carbopol™ solutions in stirred vessel systems over multiple scales. Centrally-mounted …

Effect of the rheological properties on the mixing of Herschel‐Bulkley fluids with coaxial mixers: Applications of tomography, CFD, and response surface methodology

A Kazemzadeh, F Ein‐Mozaffari… - … Canadian Journal of …, 2016 - Wiley Online Library
The purpose of this novel research was to evaluate the influence of the rheological
parameters of Herschel‐Bulkley fluids (eg xanthan gum solution) such as consistency index …

Characterisation of the mixing of non‐newtonian fluids with a scaba 6SRGT impeller through ert and CFD

L Pakzad, F Ein‐Mozaffari, SR Upreti… - The Canadian Journal …, 2013 - Wiley Online Library
An attempt has been made to study the mixing of yield‐pseudoplastic fluids with a Scaba
6SRGT impeller using electrical resistance tomography (ERT) and computational fluid …

Intensification of mixing of shear-thinning fluids possessing yield stress with the coaxial mixers composed of two different central impellers and an anchor

A Kazemzadeh, F Ein-Mozaffari, A Lohi… - … and Processing: Process …, 2017 - Elsevier
The performance of different configurations of coaxial mixers composed of a wall scra**
anchor impeller in combination with two different or identical central high speed impellers in …

Cavern development characteristics of pseudoplastic fluid in a stirred tank with dual-impellers

C Zhao, X Zhang, W Si, D Luan, S Chen - Journal of the Taiwan Institute of …, 2023 - Elsevier
Background It is crucial to predict the cavern development and eliminate the cavern effect in
time for achieving efficient mixing of pseudoplastic fluids. Methods The cavern …

Modified scaba 6SRGT impellers for process intensification: Cavern size and energy saving when stirring viscoplastic fluids

H Ameur, C Vial - Chemical Engineering and Processing-Process …, 2020 - Elsevier
Mixing of a viscoplastic fluid using Scaba 6SRGT impellers in a cylindrical vessel has been
studied. Cuts have been introduced in each blade of the impeller in order to reduce the …

Some modifications in the Scaba 6SRGT impeller to enhance the mixing characteristics of Hershel–Bulkley fluids

H Ameur - Food and Bioproducts Processing, 2019 - Elsevier
Mixing in unbaffled cylindrical tanks by open turbines rotating at low Reynolds numbers
requires usually a longer mixing time, especially for shear thinning fluids possessing yields …

Using computational fluid dynamics modeling to study the mixing of pseudoplastic fluids with a Scaba 6SRGT impeller

L Pakzad, F Ein-Mozaffari, P Chan - Chemical Engineering and Processing …, 2008 - Elsevier
The 3D flow field generated by a Scaba 6SRGT impeller in the agitation of xanthan gum, a
pseudoplastic fluid with yield stress, was simulated using the commercial CFD package. The …

Hydrodynamic performance of the ASI impeller in an aerated bioreactor containing the biopolymer solution through tomography and CFD

F Khalili, MRJ Nasr, A Kazemzadeh… - … Research and Design, 2017 - Elsevier
In this study, the performance of the ASI impeller, a new impeller designed in our research
group, was assessed for the gas dispersion in the non-Newtonian fluids. The effects of …