Search Results - "Pérez‐Segarra, C. D."

Numerical analysis of conservative unstructured discretisations for low Mach flows by Ventosa‐Molina, J., Chiva, J., Lehmkuhl, O., Muela, J., Pérez‐Segarra, C. D., Oliva, A.

“…Summary Unstructured meshes allow easily representing complex geometries and to refine in regions of interest without adding control volumes in unnecessary…”
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Parametric studies on automotive radiators by Oliet, C., Oliva, A., Castro, J., Pérez-Segarra, C.D.

“…This paper presents a set of parametric studies performed on automotive radiators by means of a detailed rating and design heat exchanger model developed by…”
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Unsteady numerical simulation of the cooling process of vertical storage tanks under laminar natural convection by Rodríguez, I., Castro, J., Pérez-Segarra, C.D., Oliva, A.

“…The transient cooling of a fluid initially at rest inside a vertical cylinder submitted to heat losses through the walls is studied. The study is restricted to…”
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On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control by Morozova, N., Trias, F.X., Capdevila, R., Pérez-Segarra, C.D., Oliva, A.

“…Computational fluid dynamics (CFD) is a reliable tool for indoor environmental applications. However, accurate CFD simulations require large computational…”
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Analysis of wall-function approaches using two-equation turbulence models by Albets-Chico, X., Pérez-Segarra, C.D., Oliva, A., Bredberg, J.

“…This paper focuses the attention on the drawbacks and abilities of wall-function techniques through an analysis of well-known wall-functions from literature…”
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A simple optimization approach for the insulation thickness distribution in household refrigerators by Trias, F.X., Oliet, C., Rigola, J., Pérez-Segarra, C.D.

“…•New analytical method to find the optimal insulation thickness in refrigerators.•The method is suitable for both single and dual compartment…”
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Modelling of fin-and-tube evaporators considering non-uniform in-tube heat transfer by Oliet, C., Pérez-Segarra, C.D., Castro, J., Oliva, A.

“…This paper is devoted to the presentation of a new model for fin-and-tube evaporators, focusing on the solid core simulation and its integration with a…”
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Thermal and Fluid Dynamic Simulation of Automotive Fin-and-Tube Heat Exchangers, Part 1: Mathematical Model by Pérez-Segarra, C. D., Oliet, C., Oliva, A.

“…The aim of this paper is to present a developed detailed model for the simulation of automotive fin-and-tube heat exchangers (Compact Heat Exchanger Simulation…”
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Thermal and Fluid Dynamic Simulation of Automotive Fin-and-Tube Heat Exchangers, Part 2: Experimental Comparison by Oliet, C., Pérez-Segarra, C. D., Oliva, A.

“…A detailed model for the simulation of automotive fin-and-tube heat exchangers previously developed by the authors (Part 1) has been experimentally validated…”
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Multidimensional and Unsteady Simulation of Fin-and-Tube Heat Exchangers by Oliet, C., Pérez-Segarra, C. D., Oliva, A., Castro, J.

“…This article presents a model for the analysis of fin-and-tube heat exchangers, focusing on the heat conduction processes within the finned tube bundle. A…”
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A dynamic load balancing method for the evaluation of chemical reaction rates in parallel combustion simulations by Muela, J., Borrell, R., Ventosa-Molina, J., Jofre, L., Lehmkuhl, O., Pérez-Segarra, C.D.

“…•Load balancing is a problematic issue in finite-rate combustion simulations.•Dynamic load balancing algorithms allow to speed up unbalanced parallel…”
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Numerical Study of the Transient Cooling Process of Water Storage Tanks under Heat Losses to the Environment by Rodríguez, I., Pérez-Segarra, C. D., Oliva, A., Jaramillo, J. E.

“…The unsteady laminar heat transfer and fluid flow phenomena inside a water storage tank during its static mode of operation and submitted to heat losses to the…”
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Verification of Multidimensional and Transient CFD Solutions by Orozco, C., Kızıldağ, D., Oliva, A., Pérez-Segarra, C. D.

“…This work addresses the verification of multidimensional and transient numerical solutions based on Richardson extrapolation techniques. Alternative…”
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Numerical simulation of capillary tube expansion devices behaviour with pure and mixed refrigerants considering metastable region. Part I: mathematical formulation and numerical model by Garcı́a-Valladares, O., Pérez-Segarra, C.D., Oliva, A.

“…A detailed one-dimensional steady and transient numerical simulation of the thermal and fluid-dynamic behaviour of capillary tube expansion devices working…”
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Large Eddy Simulations (LES) on the Flow and Heat Transfer in a Wall-Bounded Pin Matrix by Paniagua, L., Lehmkuhl, O., Oliet, C., Pérez-Segarra, C. D.

“…In this article, the three-dimensional turbulent forced convection in a matrix of wall-bounded 8 × 8 cylindrical pins is studied. Large eddy simulations (LES)…”
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DNS and RANS modelling of a turbulent plane impinging jet by Jaramillo, J.E., Trias, F.X., Gorobets, A., Pérez-Segarra, C.D., Oliva, A.

“…The main objective of this paper is to study in detail the fluid flow and the heat transfer in plane impinging jets. Mean and fluctuating velocities and global…”
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DIRECT NUMERICAL SIMULATION OF A THREE-DIMENSIONAL NATURAL-CONVECTION FLOW IN A DIFFERENTIALLY HEATED CAVITY OF ASPECT RATIO 4 by Soria, M., Trias, F. X., Pérez-Segarra, C. D., Oliva, A.

“…The majority of the direct numerical simulations of turbulent and transition natural- convection flows in cavities assume two-dimensional behavior. To…”
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Study on temperature distribution of vertical liquid falling film heat transfer with Al2O3 nanofluid by Zheng, J., Castro, J., Liu, Y., Oliva, A., Pérez-Segarra, C.D.

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Numerical study of the enhancement produced in absorption processes using surfactants by Castro, J., Leal, L., Pérez-Segarra, C.D., Pozo, P.

“…A model that considers the Navier–Stokes equations is used to study the influence of surfactants, substances that improve heat and mass transfer in absorption…”
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Numerical simulation of turbulence at lower costs: Regularization modeling by Trias, F.X., Gorobets, A., Pérez-Segarra, C.D., Oliva, A.

“…The incompressible Navier–Stokes equations constitute an excellent mathematical model of turbulence. Unfortunately, direct simulations with the available…”
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