Listar por autor "Gómez-Merino, Ana Isabel"
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Activation energy in particle suspensions
Rubio-Hernández, Francisco José
; Murillo-González, Santiago; Gómez-Merino, Ana Isabel; Páez-Flor, Nicolás Marcelo (2015-10-05)
Assuming that the molar activation energy in a fluid is interpreted as a measure of the potential energy barrier required for the molecular movement [1], the viscosity of a fluid depends on the actual size of the molecules, ... -
Aplicación de la mínima cantidad de fluido de corte a procesos de taladrado con nanofluidos de sílice.
Jiménez-Galea, Jesús Javier (UMA Editorial, 2023)
El objetivo de la tecnología de mecanizado se centra, principalmente, en fabricar al menor coste posible, y de forma ecológica, limpia y sostenible. Algunas propiedades físicas como la conductividad térmica, capacidad ... -
Characterization and thermophysical properties of rutile and alumina nanofluids
The characterization in relation to shape and particle size of alumina and rutile suspensions was performed. The intrinsic viscosity exhibited the presence of nonspherical aggregates in both suspensions although TEM ... -
A comparative rheological study of amaranth, wheat and chickpea doughs
Santos-Ráez, Isidro María; Rubio-Merino, Julia; Rubio-Hernández, Francisco José; Gómez-Merino, Ana Isabel; Arjona-Escudero, José Luis; Serrano Martín, Noelia; Medina Jiménez, Lucía; Martín Salvador, Dario; Lara Sánchez, Luis; Guijarro Chirosa, Pedro[et al.] (2019-10-02)
Legume flours due to their nutritional benefits (e.g., high levels of proteins, fiber, complex carbohydrates, micronutrients and vitamins) are ideal ingredients for improving the nutritional value of bread and bakery ... -
Design and Assessment of Survey in a 360-Degree Feedback Environment for Student Satisfaction Analysis Applied to Industrial Engineering Degrees in Spain
Granados-Ortiz, Francisco-Javier; Gómez-Merino, Ana Isabel; Jiménez-Galea, Jesús Javier; Santos-Ráez, Isidro María; Fernández-Lozano, Juan Jesús; Gómez-de-Gabriel, Jesús Manuel; Ortega-Casanova, Joaquín[et al.] (MDPI, 2023-02-13)
The number of students enrolled in engineering studies in Spain is in decline, mainly due to the difficulty in passing the subjects, whose factors may be linked to the science-related content of the subject, a very demanding ... -
Electrorheological behaviour of flour/olive oil dough
• Changes in flow properties upon the application of an electrical field can be evaluated using of electrorheological techniques. • The fact that it had shown successful to reduce the fat content [1] has aimed us to ... -
Estudio de un Motor Stirling con Absorbedor Interno Alimentado con Energía Solar
Santos-Ráez, Isidro María (Servicio de Publicaciones y Divulgación Científica, 2015)
La importancia de la energía desde un punto de vista socioeconómico es indiscutible, siendo la energía solar una de las fuentes renovables más atractiva e interesante. Dentro de las múltiples aplicaciones del motor Stirling, ... -
Experimental assessment of thermal and rheological properties of coconut oil-silica as green additives in drilling performance based on minimum quantity of cutting fluids
Gómez-Merino, Ana Isabel; Jiménez-Galea, Jesús Javier; Rubio-Hernández, Francisco José; Santos-Ráez, Isidro María (Elsevier, 2022-09-25)
Conventional metal working fluids are prepared from petroleum based mineral oils with toxic, carcinogenic, non- biodegradable and unsustainable additives, which can cause serious environmental contamination and health risks ... -
Green Synthesis, Characterization, and Empirical Thermal Conductivity Assessment of ZnO Nanofluids for High-Efficiency Heat-Transfer Applications
Meriem, Jebali; Gianpiero, Colangelo; Gómez-Merino, Ana Isabel (IOAP-MDPI, 2023-02-12)
ZnO nanoparticles were synthesized using lemon juice and zinc nitrate (1:1) through the green method. The structure of the biosynthesized ZnO nanoparticles was analyzed by X-ray diffraction (XRD), Fourier transform infrared ... -
Heat transfer enhancement using nanofluids in the compression exchanger in a solar Stirling engine
In this paper a improvement in the heat exchange of a solar Stirling engine during the compression phase was studied. The viability of using nanoparticles as ceramic oxide (Al2O3 in water) at different concentrations ... -
Rheological behavior of a commercial milk-based sauce
Rubio-Hernández, Francisco José; Rubio Merino, Julia; Gómez-Merino, Ana Isabel; Cabello Arrabal, Sara María; Pérez Hidalgo, Cristina; Alcázar, Gonzalo; Lange, Alexandra[et al.] (2019-10-21)
• The acceptation of semisolid foods by consumers is greatly determined by their rheological properties. • Sauces are semisolid foods and, in general, show viscoplastic and shear-thinning viscous flow behaviours. On the ... -
Rheological behaviour of fruit and milk-based smoothies
Two of the most important food attributes for today´s fast-moving lifestyle are convenience and healthiness [1-2]. Fast-moving lifestyle specifically affects to elderly people, who are prone to bad-nutrition due to their ... -
Rheological study of the aggregation state of alumina nanofluids
Arjona-Escudero, José Luis; Santos-Ráez, Isidro María; Gómez-Merino, Ana Isabel; Rubio-Hernández, Francisco José (Hernández, M.J., Sanz, T, Salvador, A., Rubio-Hernández, F.J., 2017)
The presence of alumina solid particles in aqueous phase induces a change in the viscosity of the suspension from Newtonian to non- Newtonian flow. Besides, the presence of solid particles is adequate for the use as a heat ... -
Thermophysical and flow properties of coconut oil with silica fumed nanoparticles
Santos-Ráez, Isidro María; Jiménez-Galea, Jesús Javier; Arjona-Escudero, José Luis; Gómez-Merino, Ana Isabel; Rubio-Hernández, Francisco José; Rubio-Merino, Julia; Tamames Rodero, Víctor[et al.] (2019-10-02)
This work is concerned with the rheological and thermal study of silica fumed dispersed in coconut oil. The dispersed phase behave as a non newtonian fluid during the phase change. The addition of nanoparticles complicates ...