An Analytical Model To Determine the Rheological Properties of Well Fluids Using a Novel Downhole Sensor

2010 ◽  
Author(s):  
Nolys Javier Rondon ◽  
Mac Naughton ◽  
Maria Antonieta Barrufet ◽  
Gioia Falcone
Keyword(s):  
Rheological Properties ◽  
Analytical Model

scholarly journals Raster analysis of Fused Filament Fabrication process

2021 ◽  
Author(s):  
Roberto Spina ◽  
Bruno Cavalcante
Keyword(s):  
Rheological Properties ◽  
Analytical Model ◽  
Process Parameters ◽  
Fabrication Process ◽  
Fused Filament Fabrication ◽  
Experimental Procedure ◽  
Simple Geometry ◽  
Raster Analysis ◽  
Build Time

The objective of the present work is to study the raster generation to realize Fused Filament Fabrication parts. The research in this paper focused on the evaluation of the deposition of a simple geometry with a FFF machine, supported by an analytical model to compute the build time, also evaluating the geometrical variations caused by changes in process parameters. The main parameters were the print temperature and speed as a function of the thermal and rheological properties of the PLA filament. The study identified essential correlations between process parameters, raster dimensions, and filament properties. An experimental procedure, supported by an analytical model, was implemented for computing raster time and material dimensions.

Realizations of Experimental Hydrocephalus Data Through the Analytical Model of Poroviscoelastic Brain Tissue

2012 ◽  
Author(s):  
Amin Mehrabian ◽  
Younane Abousleiman
Keyword(s):  
Cerebrospinal Fluid ◽  
Rheological Properties ◽  
Brain Tissue ◽  
Analytical Model ◽  
Mechanical Characterization ◽  
Extracellular Fluid ◽  
Fluid Content ◽  
Experimental Hydrocephalus ◽  
Csf Absorption

Despite recent advances in hydro-mechanical characterization of brain tissue [1], existing models remain inadequate due to complexities associated with the brain’s geometry and rheological properties [2] as well as limited knowledge on the mechanisms which control the CerebroSpinal Fluid (CSF) absorption or formation and their impact on the extracellular fluid content changes inside parenchyma [3].

ANALYTICAL MODEL OF SUPEREXCHANGE

1988 ◽  
Vol 49 (C8) ◽  
pp. C8-911-C8-912
Author(s):  
Yu. V. Rakitin ◽  
V. T. Kalinnikov
Keyword(s):  
Analytical Model

Using the alveograph in developing requirements for the quality of flour for wafer sheet production

2020 ◽  
Vol 29 (12) ◽  
pp. 52-58
Author(s):  
E.P. Meleshkina ◽  
◽  
S.N. Kolomiets ◽  
A.S. Cheskidova ◽  
◽  
...  
Keyword(s):  
Rheological Properties ◽  
Quality Indicators ◽  
Wheat Flour ◽  
Mathematical Statistics ◽  
Intended Purpose ◽  
The Future ◽  
Relationship Of ◽  
The Relationship

Objectively and reliably determined indicators of rheological properties of the dough were identified using the alveograph device to create a system of classifications of wheat and flour from it for the intended purpose in the future. The analysis of the relationship of standardized quality indicators, as well as newly developed indicators for identifying them, differentiating the quality of wheat flour for the intended purpose, i.e. for finished products. To do this, we use mathematical statistics methods.

THE INFLUENCE OF SELECTED POLYMERS ON THE RHEOLOGICAL PROPERTIES OF HYDROGELS WITH CHITOSAN APPLIED ON THE SKIN

2017 ◽  
Vol XXII ◽  
pp. 201-206 ◽  
Author(s):  
Maria Szcześniak ◽  
◽  
Bożena Grimling ◽  
Jan Meler ◽  
Bożena Karolewicz
Keyword(s):  
Rheological Properties
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