Exploració per tema "Viscositat"
Ara es mostren els items 1-20 de 30
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A comparative molecular dynamics study of sulfuric and methanesulfonic acids
(2016-12-01)
Article
Accés obertThe molecular dynamics computer simulation method has been used to study sulfuric and methanesulfonic acids. Calculations have been carried out between 200 K and 400 K using reliable force fields. Thermodynamic properties, ... -
Automatization and instrumentalization of a semisolid casting system
(Universitat Politècnica de Catalunya, 2019-06-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEven though new systems like 3D printing start to get more viable, casting remains an important manufacturing technology. During a casting process, some segments at different spots of the material at the microscopic level ... -
Decay of solutions for strain gradient mixtures
(Wiley-VCH, 2023-02)
Article
Accés obertWe study antiplane shear deformations for isotropic and homogeneous strain gradient mixtures of the Kelvin-Voigt type in a cylinder. Our aim is to analyze the behaviour of the solutions with respect to the time variable ... -
Determinació experimental de la viscositat de dilucions salines d’alta concentració
(Universitat Politècnica de Catalunya, 2017-01)
Treball Final de Grau
Accés obertLa present tesina busca determinar la viscositat de la salmorra per a diferents concentracions de sal i per a diferents temperatures. L’estudi es duu a terme mitjançant una instal·lació experimental constituïda per un ... -
Determinación del índice de viscosidad de tres muestras de poliamida
(2018-04-24)
Report de recerca
Accés restringit per política de l'editorial -
Efecte de la temperatura i concentració en la reologia d’hidrocol·loides
(Universitat Politècnica de Catalunya, 2019-10-29)
Treball Final de Grau
Accés restringit per decisió de l'autorHydrocolloids are a group of food additives, used in the food industry and in the gastronomic field. Its purpose is to impart viscosity in aqueous systems, form gels, stabilize emulsions and suspensions, among others. The ... -
Efecte dels additius i la temperatura en la reologia del puré de patata
(Universitat Politècnica de Catalunya, 2018-02-06)
Treball Final de Grau
Accés obertConsidering that potato puree is rich in starch, some of the rheological properties of this product have been studied in order to advance in new technologies such as 3D printing. The material used was the commercial purée ... -
Effect of citric acid on thickeners used in products for people suffering oropharyngeal dysphagia
(AD Publications, 2020-12)
Article
Accés obertDysphagia is a digestive disorder recognized by the World Health Organization (WHO) in the International Classification of Diseases (ICD) characterized by the difficulty in forming or moving the bolus from the mouth to the ... -
Estudi de l 'efecte de l'ús d'algues en aliments per ser utilitzats per impressió 3D
(Universitat Politècnica de Catalunya, 2019-07-15)
Treball Final de Grau
Accés restringit per decisió de l'autorThe main objective of this review was to find the best combination and proportion between the ingredients and their corresponding best rheological properties and printing parameters. Rheological properties of the commercial ... -
Estudi de l'efecte dels ultrasons en les propietats reològiques de diferents midons presents en vegetals
(Universitat Politècnica de Catalunya, 2017-10-20)
Treball Final de Grau
Accés obertNowadays there is deep interest in investigating the use of ultrasounds in the food industry because of its possible benefits when it comes to optimizing and improving processes. The main objective of this project is to ... -
Estudi de la dinàmica del transport de dilucions salines d'alta concentració en canonades a pressió
(Universitat Politècnica de Catalunya, 2018-11-15)
Tesi
Accés obert
Realitzat a/amb: Aigües de BarcelonaThe mining area in the Bages district, in Catalonia (Spain), is located between the villages of Cardona, Súria, Sallent and Balsareny. It contains the most important salt deposit in Europe, which has been exploited since ... -
Estudi de la viabilitat d'impressió 3D d'aliments amb base de moniato
(Universitat Politècnica de Catalunya, 2019-10-28)
Treball Final de Grau
Accés restringit per decisió de l'autorThe technology of 3D food printing is an alternative way of preparing a meal in an automatic additive way and is based primarily on the rheological properties of foods. The objective of the present study was to verify the ... -
Estudi de la viscositat i capacitat de penetració de pastes de ciment aluminós dopades per al seu us com a matrius per a fibrociments reforçats amb noteixits de fibra vegetal.
(Universitat Politècnica de Catalunya, 2017-10-10)
Treball Final de Grau
Accés restringit per decisió de l'autorThe production of calcium aluminate cement, or CAC, is currently reduced as it is used in highly specialized applications and it is up to four times more expensive than Portland Cement (the most common one). In the fiber ... -
Estudio de la viscosidad y densidad de diferentes aceites para su uso como biocombustible
(Universitat Politècnica de Catalunya, 2010-06)
Projecte/Treball Final de Carrera
Accés obertEn este proyecto se realiza una breve introducción al mundo de las energías renovables, como alternativa muy importante al uso del petróleo. Más concretamente se explicará la importancia del uso de los biocombustibles, así ... -
Estudio Fluidodinamico de Perfiles y Vectores de Velocidad en Canales y Conductos mediante un Sistema PIV
(Universitat Politècnica de Catalunya, 2022-07-21)
Treball Final de Grau
Accés obertEl siguiente trabajo final de grado tiene como objetivo representar calles de von Karman y perfiles de velocidad mediante un sistema PIV (velocimetría de imagen de partículas) con el fin de desarrollar prácticas académicas. ... -
Evaluating the potential of ozone in creating functional groups on cellulose
(Springer, 2022-08-01)
Article
Accés obertSeveral eucalyptus pulps (85% of cellulose) with different lignin and HexA content (unbleached, TCF and ECF) as well as cotton linters (97% of cellulose) were treated with ozone (at different pH and ozone doses) in order ... -
Evaluation of enhanced gray area mitigation approaches based on jet aeroacoustics
(2023-02)
Article
Accés obertAn investigation of various eddy viscosity models for accurate scale-resolving simulation of aerodynamics and aeroacoustics of a turbulent jet is presented. The models are considered from the perspective of solving the ... -
Freeze concentration of whey in a falling-film based pilot plant: process and characterization
(2010-10)
Article
Accés restringit per política de l'editorialFalling-film freeze concentration is a technique for concentration of liquids by freezing the available water in the form of a layer of ice on a refrigerated surface. Processing at low temperatures keeps the organoleptic ... -
Helical static mixer simulations for its integration in the pour plate method: mixing agar and a nutrient solution
(2023-08-05)
Article
Accés obertIn microbiology laboratories, it is essential to obtain high-quality samples where the culture media are completely homogeneous. The pour plate method includes having to melt the culture media—a mixture of agar and a ... -
Influència de la glucosa en la viscositat de preparats alimentaris destinats per a persones afectades per disfàgia
(Universitat Politècnica de Catalunya, 2016-01)
Treball Final de Grau
Accés obert