Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/128015
Título: Design, research and development of surface tension equipment with teaching purpose
Autores/as: García Ramírez, Tania Del Pino 
León-Zerpa, Federico 
Ramos-Martín, Alejandro 
Mendieta-Pino, Carlos 
Clasificación UNESCO: 331005 Ingeniería de procesos
Palabras clave: Surface tension
Liquids
Cellular membrane
Load cell
Fecha de publicación: 2023
Proyectos: UNIDIGITAL - PIEFI - Línea 3. Contenidos y programas de formación. Código del proyecto PIE 2022-60
Publicación seriada: Desalination and Water Treatment 
Resumen: The importance of the experimental study of surface phenomena is not sufficiently reflected through the experiments carried out in teaching laboratories. The possibility of having cheaper equipment would be of great value for science and applied technologies students. The main objective of this project is the design of a piece of equipment measure the surface tension of liquids for teaching purposes, using the Du Noüy ring technique. Data acquisition will be based on the loading cell and HX711 module. Measurement tests of three different liquids are taken: water, olive oil and fuel. Then, a budget will be made, a basic comparison with the Krüss K20 equipment, and finally the conclusions. Necessary studies have been done to verify the design. Regarding the manufacture of some of the designed components, the tool used was UltiMaker Cura, where the characteristics of the parts were programmed for the 3D printing. Electronic components chosen to carry out the automation of the equipment; an Arduino UNO board, a Nema 17 engine with EasyDriver controller and a Loading Cell with an HX711 amplifier for data acquisition. The system implementation is done through 3 different software. Loading cell calibration and equipment operation are programmed in Arduino IDE.
URI: http://hdl.handle.net/10553/128015
ISSN: 1944-3994
DOI: 10.5004/dwt.2023.29895
Fuente: Desalination and Water Treatment [1994-3994, eISSN 1944-3986], v. 309, p. 133–139, (Octubre 2023)
Colección:Artículos
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