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Listar por palabra clave "Particle size distribution"

Mostrando ítems 1-14 de 14

A Comprehensive Modeling Toolchain for Particle Emissions in GDI Engines

Abboud, Rami (Universitat Politècnica de València, 2024-09-02)

[ES] La formación de hollín en los motores de inyección directa de gasolina se rige por complejas interacciones entre procesos físicos, que varían en función del modo de funcionamiento del motor. Con la aplicación de ...
Analysis of Regulated Pollutant Emissions and Aftertreatment Efficiency in a GTDi Engine Using Different SOI Strategies

Bermúdez, Vicente; Luján, José M.; Climent, H.; Soto-Izquierdo, Lian; Campos-Navarro, Daniel (SAE International, 2018)

[EN] In order to improve performance and minimize pollutant emissions in gasoline turbocharged direct-injection (GTDi) engines, different injection strategies and technologies are being investigated. The inclusion of exhaust ...
Assessment of air management strategies on particulate number and size distributions from a 2-stroke compression-ignition engine operating with gasoline Partially Premixed Combustion concept

Bermúdez, Vicente; Ruiz, S.; Novella Rosa, Ricardo; Soto-Izquierdo, Lian (SAGE Publications, 2018)

[EN] The newly designed partially premixed combustion concept has demonstrated its potential to reduce nitrogen oxides and particulate matter emissions combined with highly indicated efficiencies. However, it is highly ...
Assessment on the consequences of injection strategies on combustion process and particle size distributions in Euro VI medium-duty diesel engine

Bermúdez, Vicente; García Martínez, Antonio; Villalta-Lara, David; Soto, Lian (SAGE Publications, 2020-04)

[EN] Although there are already several works where the influence of injection parameters on exhaust emissions, and specifically on particulate matter emissions, in diesel engines has been evaluated, the diversity in the ...
Effect of essential oils on properties of film forming emulsions and films based on HPMC and chitosan

Sánchez González, Laura; Chiralt, A.; González Martínez, María Consuelo; Cháfer Nácher, María Teresa (Elsevier, 2011)

[EN] Film-forming dispersions (FFD) and films, prepared by incorporating different concentrations of bergamot (BO), lemon (LO) and tea tree (TTO) essential oils into hydroxyproplymethylcellulose (HPMC) and chitosan (CH) ...
Effects of multiple injection strategies on gaseous emissions and particle size distribution in a two-stroke compression-ignition engine operating with the gasoline partially premixed combustion concept

Bermúdez, Vicente; Ruiz-Rosales, Santiago; Novella Rosa, Ricardo; Soto-Izquierdo, Lian (SAGE Publications, 2018)

[EN] In order to improve performance of internal combustion engines and meet the requirements of the new pollutant emission regulations, advanced combustion strategies have been investigated. The newly designed partially ...
Impact of injection settings on gaseous emissions and particle size distribution in the dual-mode dual-fuel concept

Bermúdez, Vicente; Macian Martinez, Vicente; Villalta-Lara, David; Soto, Lian (SAGE Publications, 2020-04)

[EN] Reactivity controlled compression ignition concept has been highlighted among the low temperature combustion strategies. However, this combustion strategy presents some problems related to high levels of hydrocarbon ...
Increase of the reactivity of densified silica fume by sonication treatment

Rodríguez Martínez, Erich David; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª (Elsevier, 2012-09)

Five silica fumes from different manufacturers were subjected to ultrasonic treatment in order to decrease particle agglomeration and improve particle dispersion. The effectiveness of the sonication was observed as a ...
Influence of freeze-drying conditions on orange powder flowability

Usganda, Mariana; Silva Espinoza, Marilú Andrea; Egas, Luis; Camacho, María del Mar; Martínez-Navarrete, Nuria (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Freeze-drying may be a good alternative to get less perishable fruit products. The objective of the present study was to evaluate the impact of freeze-drying conditions of an orange puree on some flow related and ...
LES of a pressurized sooting aero-engine model burner using a computationally efficient discrete sectional method coupled to tabulated

García-Oliver, José M; Pastor Enguídanos, José Manuel; Olmeda-Ramiro, Iván; Kalbhor, A.; Mira Martínez, Daniel; Van-Oijen, Jeroen (Elsevier, 2024-02)

[EN] This work is focused on the modeling and analysis of soot formation and oxidation in the pressurized ethylene-based model burner investigated at DLR. This burner features a dual swirler configuration for the primary ...
Methodology for measuring exhaust aerosol size distributions using an engine test under transient operating conditions

Desantes, J.M.; Bermúdez, Vicente; Molina, Santiago; Linares Rodríguez, Waldemar Gregorio (IOP PUBLISHING LTD, 2011)

[EN] A study on the sources of variability in the measurement of particle size distribution using a two-stage dilution system and an engine exhaust particle sizer was conducted to obtain a comprehensive and repeatable ...
Numerical sedimentation particle-size analysis using the Discrete Element Method

Bravo, R.; Pérez Aparicio, José Luis; Gómez Hernández, José Jaime (Elsevier, 2015-12)

Sedimentation tests are widely used to determine the particle size distribution of a granular sample. In this work, the Discrete Element Method interacts with the simulation of flow using the well known one-way- coupling ...
Size Distribution of Airborne Particles in Animal Houses

Lai, H.T.L.; Aarnink, André Johannes Antonius; Cambra López, María; Huynh, T.T.T.; Parmentier, H.K.; Groot Koerkamp, P.W.G. (International Commission of Agricultural and Biosystems Engineering, 2014)

[EN] The concentration and size distribution of airborne particles were measured inside and outside typical animal houses such as broilers, broiler breeders (both floor housing with litter); layers (floor housing system ...
Ultrasonic atomizing-assisted spray drying: Effect on the quality of skimmed milk powders

Wang, Yuchuan; Cui, Ying; Wang, Bo; Zhang, Min (Editorial Universitat Politècnica de València, 2018-09-07)

[EN] Skimmed milk powders (SMP) were produced by ultrasonic atomizing-assisted spray drying (UASD). It was found that UASD can produce high quality SMP (with < 5% moisture content and < 2% insolubility) at lower inlet ...