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EDWork III. Reference Guide to EDWork Software
Wein, Ondřej
2009 - English
A reference guide to EDWork, a software for controlling, calibrating, and adjusting the device EDIK2 for electrodiffusion measurements, as well as the acquisition and treatment of the resulting electrodiffusion dat. Referenční příručka k EDWork, což je software ke kalibraci, adjustaci a řízení elektrodifuzního přístroje EDIK2, stejně jako pro sběr a zpracování výsledných elektrodifuzních dat.
Keywords:
electrodiffusion technique; device EDIK; digital-analog hybrid
Available at various institutes of the ASCR
EDWork III. Reference Guide to EDWork Software
A reference guide to EDWork, a software for controlling, calibrating, and adjusting the device EDIK2 for electrodiffusion measurements, as well as the acquisition and treatment of the resulting ...
EDWork Manual III. Reference Guide to EDWork 4. software
Wein, Ondřej; Sobolík, Václav
2009 - English
The report would serve as a guide to EDWork 4. software.
Keywords:
electrodiffusion technique; edwork manual; software
Available at various institutes of the ASCR
EDWork Manual III. Reference Guide to EDWork 4. software
The report would serve as a guide to EDWork 4. software.
High-pressure Emulsificationin Micromixers
Křišťál, Jiří; Preziosi, V.; Simoncelli, A.
2009 - English
An image processing procedure for analyzing the results of the high-pressure emulsification was developed. Based on the results the model for prediction of the drop diameter was formulated. Additional experiments are proposed to further validate the theory.
Keywords:
micromixers; emulsification; high-pressure
Available at various institutes of the ASCR
High-pressure Emulsificationin Micromixers
An image processing procedure for analyzing the results of the high-pressure emulsification was developed. Based on the results the model for prediction of the drop diameter was formulated. Additional ...
Surfactant Dissolution Using High Pressure Micromixer In-line Spectrometry at Pilot Scale Flow Rates
Křišťál, Jiří; Simoncelli, A.
2009 - English
We report that the highly viscous paste can be dissolved very quickly and efficiently in microSAR mixers with very low pressure losses. Inline measurements, including spectroscopy, in the HP rigs was easily organized by reapplication of the FMU elements.
Keywords:
micromixer; flow rates; spectrometry
Available at various institutes of the ASCR
Surfactant Dissolution Using High Pressure Micromixer In-line Spectrometry at Pilot Scale Flow Rates
We report that the highly viscous paste can be dissolved very quickly and efficiently in microSAR mixers with very low pressure losses. Inline measurements, including spectroscopy, in the HP rigs was ...
Standard Operating Procedure FMU Data Management
Křišťál, Jiří; Maes, P.
2009 - English
Standard operating procedure was developed to establish the correct data management procedure for the FMU trials and subsequent data analysis and result evaluation.
Keywords:
fmu data management; standard operating
Available at various institutes of the ASCR
Standard Operating Procedure FMU Data Management
Standard operating procedure was developed to establish the correct data management procedure for the FMU trials and subsequent data analysis and result evaluation.
Dissolution of Xanthan Gum with High-pressure microSARS Mixers
Křišťál, Jiří; Tideman, A.; Simoncelli, A.
2009 - English
Dissolution of Xanthan Gum powder was tested in micro static mixers. No technical issues were encountered concerning the application of micro mixers for the powder dissolution. For deeper understanding of dissolution mechanism further experiments and detailed rheological investigation is suggested.
Keywords:
microsars mixers; xantham gum; dissolution
Available at various institutes of the ASCR
Dissolution of Xanthan Gum with High-pressure microSARS Mixers
Dissolution of Xanthan Gum powder was tested in micro static mixers. No technical issues were encountered concerning the application of micro mixers for the powder dissolution. For deeper ...
Chinon Production Using High Pressure Micromixer
Křišťál, Jiří; Simoncelli, A.; Shimamoto, M.; Yokogi, J.
2009 - English
We report on the oil-water emulsification in high-pressure micromixer. Results of microscopy characterization, rheology and d-space analysis are reported.
Keywords:
micromixer; chinon; high pressure
Available at various institutes of the ASCR
Chinon Production Using High Pressure Micromixer
We report on the oil-water emulsification in high-pressure micromixer. Results of microscopy characterization, rheology and d-space analysis are reported.
Theory of Electrodiffusion Friction Probes in Microdisperse Liquid 8. Effect of Apparent wall Slip and Insulating Gaps on the Directional Characteristics
Wein, Ondřej
2008 - English
Insulated insertions between individual segments of direction-sensitive electrodiffusion friction probes attenuate the directionalsensitivity. Quantitative study of this effect by Wein and Wichterle (1989) for Newtonian liquids has been extended in a recent research report (Wein 2007) for the microdisperse liquids, displaying the Apparent Wall Slip, i.e. a non-linear velocity profile close to solid surfaces. In the present research report, this theory is used to the simulation calculations of directional characteristics for a class of 3-segment electrodiffusion friction probes with the insulating insertions. Rather realistic model of non-ideal 3-segment direction-specific probes is tested by comparison of the predictions with experimental data about an actual 3-segment probe in both homogeneous and microdisperse liquids. Isolační vložky mezi jednotlivými segmenty směrově citlivých elektrodifuzních čidel zeslabují jejich směrovou citlivost. Kvantitativní studie tohoto efektu od Weina a Wichterleho (1989) pro Newtonské kapaliny byla v předchozí výzkumné zprávě (Wein 2007) rozšířena na mikrodisperzní kapaliny, vykazující zdánlivý skluz při stěně, tj. nelinární rychlostní profil v blízkosti pevných povrchů.V předkládané výzkumné zprávě je tato teorie využita k simulačním výpočtům směrových charakteristik pro jistou třídu třísegmentových elektrodifuzních frikčních čidel se zahrnutím vlivu isolačních vložek. Jedná se o první analytickou studii vlivu isolačních mezer a zdánlivého skluzu na směrové charakteristiky. Současně je v simulačních výpočtech otestován poměrně realistický model 3-segmentových směrově specifických čidel s neideální geometrií. Výsledné předpovědi jsou porovnány s experimentálními data o chování reálné třísegmentové sondy jak v homogenních tak i mikrodisperzních kapalinách.
Keywords:
apparent wall slip; diffusion-layer approximation; electrodiffusion flow diagnostics
Available at various institutes of the ASCR
Theory of Electrodiffusion Friction Probes in Microdisperse Liquid 8. Effect of Apparent wall Slip and Insulating Gaps on the Directional Characteristics
Insulated insertions between individual segments of direction-sensitive electrodiffusion friction probes attenuate the directionalsensitivity. Quantitative study of this effect by Wein and Wichterle ...
Investigation of the Temperature Dependence of Optical Oxygen Sensor in Biofilms Prepared by Immobilization of Ruthenium Complexes into ORMOCER Matrix
Heineck, Manuela Elaine
2008 - English
This work deals with investigation of the temperature dependence of optical oxygen sensor in biofilms prepared by immobilization of ruthenium complexes into ORMOCER matrix. Teplotní závislost optického kyslíkového senzoru s rutheniovým komplexem v ORMOCERuje předmětem výzkumné zprávy.
Keywords:
immobilization; optical oxygen sensor; biofilms
Available at various institutes of the ASCR
Investigation of the Temperature Dependence of Optical Oxygen Sensor in Biofilms Prepared by Immobilization of Ruthenium Complexes into ORMOCER Matrix
This work deals with investigation of the temperature dependence of optical oxygen sensor in biofilms prepared by immobilization of ruthenium complexes into ORMOCER matrix....
Initial Behavior of a Vapor Bubble in a Superheated Liquid
Vejražka, Jiří
2008 - English
The model is based on a simplified law for heat transfer of a growing and moving bubble and on solving the forces acting on this bubble. The model is represented by a system of ordinary differential equations and can be used until the time when bubbles start to wobble. An partially successful (but not convincing) attempt to validate this model by comparison with available experimental data was done. In most cases, the bubble behavior is controlled by a balance of the buoyancy with the added-mass force. In this aspect, the bubble behavior differs considerably from the case of constant-volume bubbles, for which the added-mass force is usually negligible. For the case of spherical bubbles, a simple analytical solutions are provided. Práce prezentuje matematický model pro předvídání růstu a pohybu bubliny páry v přehřáté kapalině. Model je založen na zjednodušených zákonech pro přestup tepla rostoucí a pohybující se bubliny a na řešení bilance sil působících na bublinu. Model je ve tvaru soustavy obyčejných diferenciálních rovnic a může být použit až do okamžiku, kdy tvar bubliny značne oscilovat. Model je srovnán s dostupnými experimentálními daty, se kterými vykazuje částečnou shodu. Ukazuje se, že v případě větších podmínek je pohyb bubliny udán rovnováhou Archimedovy síly se silou přidané hmotnosti. V tomto ohledu je chování bubliny výrazně odlišné od případu bubliny s konstantním objemem, v jejichž případě je síla přidané hmotnosti většinou zanedbatelná. Konečně, v případě kulových bublin bylo nalezeno analytické řešení matematického modelu.
Keywords:
vapor bubble; differential equations; transfer of bubbles
Available at various institutes of the ASCR
Initial Behavior of a Vapor Bubble in a Superheated Liquid
The model is based on a simplified law for heat transfer of a growing and moving bubble and on solving the forces acting on this bubble. The model is represented by a system of ordinary differential ...
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