A Simple Mechanical Spring-Driven Rheometer for Measurement of Newtonian and non-Newtonian Fluids - Design, Validation, and Input Correction

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F24%3A00375727" target="_blank" >RIV/68407700:21220/24:00375727 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.jfoodeng.2024.112198" target="_blank" >https://doi.org/10.1016/j.jfoodeng.2024.112198</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jfoodeng.2024.112198" target="_blank" >10.1016/j.jfoodeng.2024.112198</a>

Jazyk výsledku

angličtina

Název v původním jazyce

A Simple Mechanical Spring-Driven Rheometer for Measurement of Newtonian and non-Newtonian Fluids - Design, Validation, and Input Correction

Popis výsledku v původním jazyce

This paper deals with the construction and validation of a new, very simple purely mechanical rheometer, which is assembled from a syringe and a steel spring. This rheometer does not require any expensive measuring equipment and yet can measure the viscosities of common Newtonian and non-Newtonian liquids with satisfactory results. By determining the temporary position of the piston, the force applied by the spring and the piston velocity can be ascertained and the viscosity of a given sample of Newtonian liquid can be calculated with repeatability of better than 2%. When measuring non-Newtonian and viscoelastic liquids, a camera is used to record the time course of the moving piston and the swelling ratio. Preliminary tests conducted on power-law liquids demonstrate reproducibility of rheological parameters even for very high viscosity liquids. A new correction to inlet effects is also derived as a function of Reynolds number.

Název v anglickém jazyce

A Simple Mechanical Spring-Driven Rheometer for Measurement of Newtonian and non-Newtonian Fluids - Design, Validation, and Input Correction

Popis výsledku anglicky

This paper deals with the construction and validation of a new, very simple purely mechanical rheometer, which is assembled from a syringe and a steel spring. This rheometer does not require any expensive measuring equipment and yet can measure the viscosities of common Newtonian and non-Newtonian liquids with satisfactory results. By determining the temporary position of the piston, the force applied by the spring and the piston velocity can be ascertained and the viscosity of a given sample of Newtonian liquid can be calculated with repeatability of better than 2%. When measuring non-Newtonian and viscoelastic liquids, a camera is used to record the time course of the moving piston and the swelling ratio. Preliminary tests conducted on power-law liquids demonstrate reproducibility of rheological parameters even for very high viscosity liquids. A new correction to inlet effects is also derived as a function of Reynolds number.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20302 - Applied mechanics

Projekt

<a href="/cs/project/GA21-07851S" target="_blank" >GA21-07851S: Studium metod modifikace mechanických vlastností a struktury kolagenní hmoty</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Food Engineering

ISSN

0260-8774

e-ISSN

1873-5770

Svazek periodika

382

Číslo periodika v rámci svazku

112198

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

1-9

Kód UT WoS článku

001265290000001

EID výsledku v databázi Scopus

2-s2.0-85197257756