Computation of Von Karman thermo-solutal swirling flow of a nanofluid over a rotating disk to a non-Darcian porous medium with hydrodynamic/thermal slip

JC Umavathi, OA Bég - Journal of Thermal Analysis and Calorimetry, 2022 - Springer
Motivated by recent trends in spin coating operations in chemical engineering which are
exploiting nanomaterials, the present article investigates theoretically and numerically the …

New insights into mass transfer when using the rotating disk apparatus for Newtonian and non-Newtonian fluids

A Kotb, HA Nasr-El-Din - SPE Journal, 2021 - onepetro.org
The rotating disk apparatus (RDA) is used to study reaction kinetics. However, the current
equations used to interpret the results from the RDA make oversimplifying assumptions …

Reaction of gelled acids with calcite

HA Nasr-El-Din, AM Al-Mohammed… - SPE Production & …, 2008 - onepetro.org
Hydrochloric (HCl) acid is used to stimulate carbonate formations in both matrix and
fracturing treatments. However, the reaction rate of the acid with calcite is fast. In addition …

Experiment and analysis of the reaction kinetics of temperature control viscosity acids with limestone

S Wang, D Zhang, J Guo, B Guan - Journal of Petroleum Science and …, 2018 - Elsevier
One of the advantages of temperature control viscosity acids is that its viscosity can change
during the different stages of the simulation. That results in it has been used widely in acid …

CFD modelling of the hydrodynamics in a filtration unit with rotating membranes

A Pinilla, JC Berrio, E Guerrero, JP Valdés… - Journal of Water …, 2020 - Elsevier
Membrane BioReactor (MBR) is a commonly used technology in wastewater treatment;
however, fouling is the main drawback of MBR. Grundfos proposes a system that splits the …

Analytical and numerical modelling of Newtonian and non-Newtonian liquid in a rotational cross-flow MBR

TR Bentzen, N Ratkovich, S Madsen… - Water Science and …, 2012 - iwaponline.com
Fouling is the main bottleneck of the widespread use of MBR systems. One way to decrease
and/or control fouling is by process hydrodynamics. This can be achieved by the increase of …

Mass transfer from a rotating disk to a Bingham fluid

AA Rashaida, DJ Bergstrom, RJ Sumner - 2006 - asmedigitalcollection.asme.org
In the present investigation, an analytical numerical solution is presented for the mass
transfer from a rotating disk to a Bingham fluid for the case of laminar boundary layer flow …

Reaction kinetics of gelled acids with calcite

HA Nasr-El-Din, AM Al-Mohammad… - SPE International Oil …, 2006 - onepetro.org
Hydrochloric acid is used to stimulate carbonate formations (both matrix and fracturing
treatments). However, the reaction rate of the acid with carbonate minerals, especially …

A computational fluid dynamics model for simulating the rotating disk apparatus

A Kotb, M Ali, A Aziz Ezzat, A Elwany… - … International Heavy Oil …, 2018 - onepetro.org
Reaction kinetics between calcite and acid systems has been studied using the rotating disk
apparatus (RDA). However, simplifying assumptions have been made to develop the current …

On the mass transfer in non-newtonian fluids I. Transfer from spheres to power law fluids

S Kumar, PK Tripathi, SN Upadhyay - Letters in Heat and Mass Transfer, 1980 - Elsevier
Mass transfer from a soluble solid sphere placed in flowing non-Newtonian fluids has been
investigated. Cast spheres of benzoic acid of diameters 1.269 to 3.05 cm have been used as …