Exploració per autor "Muela Castro, Jordi"
Ara es mostren els items 1-20 de 22
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A dynamic load balancing method for the evaluation of chemical reaction rates in parallel combustion simulations
Muela Castro, Jordi; Borrell Pol, Ricard; Ventosa Molina, Jordi; Jofre Roca, Lluís; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (Elsevier, 2019-08-15)
Article
Accés obertThe development and assessment of an efficient parallelization method for the evaluation of reaction rates in combustion simulations is presented. Combustion simulations where the finite-rate chemistry model is employed ... -
A new statistical model for subgrid dispersion in large eddy simulations of particle-laden flows
Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Institute of Physics (IOP), 2016)
Text en actes de congrés
Accés obertDispersed multiphase turbulent flows are present in many industrial and commercial applications like internal combustion engines, turbofans, dispersion of contaminants, steam turbines, etc. Therefore, there is a clear interest ... -
An efficient strategy of parcel modeling for polydispersed multiphase turbulent flows
Bahramian, Linda; Muela Castro, Jordi; Oliet Casasayas, Carles; Pérez Segarra, Carlos David; Trias Miquel, Francesc Xavier (Scipedia, 2022)
Text en actes de congrés
Accés obertA three-dimensional particle-laden two-phase turbulent flow by employing the Eulerian-Lagrangian method using multiphase Particle-In-Cell model is implemented to analyze the effects of parcel modeling. In order to achieve ... -
Assessment of numerical aspects using LES in particle separation devices
Muela Castro, Jordi; Rigola Serrano, Joaquim; Oliet Casasayas, Carles; Pérez Segarra, Carlos David; Oliva Llena, Asensio (European Conference for AeroSpace Sciences (EUCASS), 2019)
Text en actes de congrés
Accés obertNumerical simulations can be a powerful tool for the design and optimization of Foreign Object Debris (FOD) protection and separation devices. This work aims to study the relevance and influence of different modelling and ... -
Comparative study of subfilter scalar dissipation rate and mixture fraction variance models
Ventosa Molina, Jordi; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Muela Castro, Jordi; Oliva Llena, Asensio (2014)
Text en actes de congrés
Accés restringit per política de l'editorialAccurate characterisation of mixing at the subfilter level is a critical aspect in many LES combustion models, such as flamelet based and Conditional Moment Closure models. Several models can be found in the literature, ... -
Comparison of Sliding Mesh and Immersed Boundary Methods in Unsteady Simulations
Vera i Fernández, Jordi; Muela Castro, Jordi; Favre, Federico; Oliet Casasayas, Carles (2021)
Text en actes de congrés
Accés restringit per política de l'editorialThe feasibility and accuracy of two methods for simulating moving bodies inside a fluid are studied. Different cases are presented using the Immersed Boundary Method and the Sliding Mesh technique. The results obtained by ... -
Compressibility effects on the wake dynamics of a circular cylinder
Rodríguez Pérez, Ivette María; Eiximeno Franch, Benet; Gasparino, Lucas; Tur Monge, Carlos; Muela Castro, Jordi; Lehmkuhl Barba, Oriol (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertCompressible large-eddy simulations of the flow past a circular cylinder at Reynolds numbers Re = 104 and Mach numbers in the range M = 0.2-1.2 are performed. Changes in the wake dynamics, coherent structures and flow ... -
Large eddy simulation of hydrogen autoignition in a preheated turbulent co-flow
Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio; Ventosa Molina, Jordi (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe autoignition process of a hydrogen jet into a preheated turbulent air stream is numerically studied. A Progress-variable (PV) model with the turbulence-chemistry interactions modelled using a Presumed Conditional Moment ... -
Modelling and numerical simulation of combustion and multi-phase flows using finite volume methods on unstructured meshes
Muela Castro, Jordi (Universitat Politècnica de Catalunya, 2018-04-11)
Tesi
Accés obertThe present thesis is devoted to the development and implementation of mathematical models and numerical methods in order to carry out computational simulations of complex heat and mass transfer phenomena. Several areas ... -
New parallel method for adjacent disconnected unstructured 3D meshes
Muela Castro, Jordi; Martínez Valdivieso, Daniel; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2015)
Text en actes de congrés
Accés restringit per política de l'editorialA new parallel method for simulations with non-overlapping disconnected mesh domains but adjacent boundaries is presented and studied. This technique allows simulations using 3D unstructured meshes that are independent. -
New parallel method for adjacent disconnected unstructured 3D meshes
Muela Castro, Jordi; Martínez Valdivieso, Daniel; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2016-07-14)
Article
Accés obertA new parallel method for simulations with non-overlapping disconnected mesh domains but adjacent boundaries is presented and studied. This technique allows simulations using 3D unstructured meshes that are independent. -
Numerical analysis of conservative unstructured discretisations for low Mach flows
Ventosa Molina, Jordi; Chiva Segura, Jorge; Lehmkuhl Barba, Oriol; Muela Castro, Jordi; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2016-12-01)
Article
Accés obertUnstructured meshes allow easily representing complex geometries and to refine in regions of interest without adding control volumes in unnecessary regions. However, numerical schemes used on unstructured grids have to ... -
Numerical assessment of RANS and LES modelling in particle separation devices
Bahramian, Linda; Amani, Ahmad; Muela Castro, Jordi; Rigola Serrano, Joaquim; Oliet Casasayas, Carles; Pérez Segarra, Carlos David (European Conference for AeroSpace Sciences (EUCASS), 2022)
Text en actes de congrés
Accés obertIn the present work, the separation efficiency analysis on particle-laden flows in the framework of LES and RANS modelling for an Inertial Particle Separator (IPS) device has been presented. The comparison of LES and RANS ... -
On estimating the interface normal and curvature in PLIC-VOF approach for 3D arbitrary meshes
Amani, Ahmad; Muela Castro, Jordi; Schillaci, Eugenio; Castro González, Jesús (2022-05)
Article
Accés obertVolume of fluid (VOF) method with its Piecewise Linear Interface Calculation (PLIC) reconstruction algorithm is one of the most popular approaches in numerical simulation of interfacial flows with a wide range of applications ... -
On the Interpolation Problem for the Poisson Equation on Collocated Meshes
Santos Serrano, Daniel; Muela Castro, Jordi; Valle Marchante, Nicolás; Trias Miquel, Francesc Xavier (International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Text en actes de congrés
Accés obertThe appearence of unphysical velocities in highly distorted meshes is a common problem in many simulations. In collocated meshes, this problem arises from the interpolation of the pressure gradient from faces to cells. ... -
Regional aerosol deposition in the human airways: The SimInhale benchmark case and a critical assessment of in silico methods
Koullapis, P.; Kassinos, S.C.; Muela Castro, Jordi; Perez-Segarra, C.; Rigola, J.; Lehmkuhl Barba, Oriol; Cui, Y.; Sommerfeld, M.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (Elsevier, 2018-02-15)
Article
Accés obertRegional deposition effects are important in the pulmonary delivery of drugs intended for the topical treatment of respiratory ailments. They also play a critical role in the systemic delivery of drugs with limited lung ... -
Regional aerosol deposition in the human airways: the SimInhale benchmark case and a critical assessment of in silico methods
Koullapis, P.; Kassinos, S.C.; Muela Castro, Jordi; Pérez Segarra, Carlos David; Rigola Serrano, Joaquim; Lehmkuhl Barba, Oriol; Cui, Y.; Sommerfeld, M.; Elcner, J.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (2017-09-07)
Article
Accés obertRegional deposition effects are important in the pulmonary delivery of drugs intended for the topical treatment of respiratory ailments. They also play a critical role in the systemic delivery of drugs with limited lung ... -
Simulació numèrica de fenòmens de transferència de calor en captadors concentradors parabòlics
Muela Castro, Jordi (Universitat Politècnica de Catalunya, 2012-04-01)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorEn la present memòria és mostra el desenvolupament d’una eina computacional destinada al càlcul i simulació de captadors solars parabòlics. El codi numèric generat està desenvolupat seguint el mètode dels volums finits i ... -
Sistema de gestió i control equip laboratori
Muela Castro, Jordi (Universitat Politècnica de Catalunya, 2009-01-12)
Projecte/Treball Final de Carrera
Accés obertEl projecte té per objecte la gestió i control d’una bomba de calor utilitzada com equip de laboratori a l’EUETIB. El propòsit és garantir, de formà automàtica, unes condicions ambientals de temperatura i humitat al local ... -
Study of stochastic models for subgrid dispersion in Lagrangian-Eulerian formulation
Muela Castro, Jordi; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (Springer, 2018)
Text en actes de congrés
Accés restringit per política de l'editorialDispersed multiphase turbulent flows are present in many industrial and commercial applications like internal combustion engines, turbofans, dispersion of contaminants, steam turbines, etc. Therefore, there is a clear ...