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Publications (10)
The use of superheated steam in dishwashers as a means of reducing water consumption and cleaning time without the use of chemical cleaning agents has great future potential for the restaurants, hotels, and hospitals. In these sectors in particular, hygienic safety is an important concern in addition to the removal of food residues. To evaluate thi...
This work reports on the first three-dimensional viscoelastic dough kneading simulation performed in a spiral kneader. Unstructured tetrahedral grids were generated using ICEM CFD 17.1. Viscoelastic volume-of-fluid simulations were performed using OpenFOAM v.4.0 in combination with the RheoTool package v.2.0. The White-Metzner model with a Bird-Car...
Computational fluid dynamics (CFD) simulations of a single staged injection of H2 through a central wedge shaped strut and a multi-staged injection through wall injectors are carried out by using Ansys CFX-12 code. Unstructured tetrahedral grids for narrow channel and quarter geometries of the combustor are generated by using ICEM CFD. Steady three...
The effects of activation time and activation temperature on the yield and the adsorptive capacity towards iodine were studied. The yield and the quality of the activated carbon prepared by using H3PO4 were compared with that prepared from date stones using the same equipment, and under similar conditions by using ZnCl2 as an oxidizing agent. The i...
Cyclohexane/water dispersion behaviour is studied in a stirred batch vessel with rushton turbine impeller (RTI), experimentally and with computational fluid dynamic (CFD) simulation. The axial and radial holdup profiles and distribution of cyclohexane in the whole vessel are measured by using the sampling withdrawal method from different positions...
The dispersion behaviour of cyclohexane (dispersed phase) into water (continuous phase) in a stirred unbaffled batch vessel is studied experimentally and with computational fluid dynamic (CFD) simulation. The important aspects and fundamentals in liquid-liquid systems including mass transfer are described.
The dispersion and distribution of cyclohe...
For a quantitative description of the measured dynamic mixing behavior of ethanol and glycerol, a computational fluid dynamics (CFD) simulation is carried out by using the ANSYS CFX-10 tool. An unstructured mesh with tetrahedral cells is generated by using ANSYS ICEM CFD 5.1. The newly modified algebraic slip model (MASM) which includes the ethanol...
The dynamic mixing behavior for liquids of different density and viscosity like ethanol and glycerol was studied in semi-batch reactors (SBR) and batch reactors (BR) with anchor impeller, anticipating further study using polymerization reactions. The flow field patterns and viscosity of the mixed liquids were measured and calculated. The decoloriza...
The effect of mesh refinement, impeller type, and inlet diameter on the mixture properties and mixing time of multicomponent mixture of ethanol and glycerol was studied. A CFD approach using CFX-5.7 Transient 3D-simulation using the finite volume method was performed and the simulation was carried out under laminar flow. A homogeneous multicomponen...