Ara es mostren els items 21-40 de 167

    • A simple optimization approach for the insulation thickness distribution in household refrigerators 

      Trias Miquel, Francesc Xavier; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (Elsevier, 2018-09)
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      Determination of the optimal insulation thickness is of great relevance in many thermal engineering applications. In this paper, a simple optimization strategy based on the Lagrange multipliers is presented. The optimal ...
    • Advanced analysis of thermal energy storage in CSP plants 

      Pérez Segarra, Carlos David; González Acedo, Ignacio; Torras Ortiz, Santiago; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2016-11-24)
      Report de recerca
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    • Advanced techniques for grau area mitigation in DES simulations and their effectes on the subsonic round jet acoustic spectra 

      Duben, Alexey; Ruano Pérez, Jesús; Trias Miquel, Francesc Xavier; Rigola Serrano, Joaquim (2021)
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      The research dedicated to the investigation of different gray-area mitigation approaches towards accurate aerodynamics and aeroacoustics is presented. The recent modifications of hybrid RANS-LES DDES approach based on ...
    • Air Conditioning in Public Transport Vehicles. Numerical Simulation of Contaminants Transport and Infection Probability 

      Vera i Fernández, Jordi; Schillaci, Eugenio; Rigola Serrano, Joaquim; Arolas, Marc; Del Rivero, Oriol (Purdue University, 2022)
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      In this work, a numerical set-up is built to perform transient numerical simulations of air flow and contaminant transport within transport vehicles. In particular the case of a urban bus is proposed and analysed in detail, ...
    • An enhanced finite volume based solver for thermoelastic materials in fluid-structure coupled problems 

      González Acedo, Ignacio; Naseri, Alireza; Chiva Segura, Jorge; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (2018)
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    • Analysis and design of a drain water heat recovery storage unit based on PCM plates 

      Morales-Ruiz, S; Rigola Serrano, Joaquim; Oliet Casasayas, Carles; Oliva Llena, Asensio (2016-10-01)
      Article
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      This paper is focused on the detailed analysis of a PCM plate heat storage unit with a particular configuration, looking for the maximum contact area with the fluid (water) and the minimum volume to be used in a real ...
    • Analysis of fin-and-tube evaporators in no-frost domestic refrigerators 

      Oliet Casasayas, Carles; Pérez Segarra, Carlos David; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2010)
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      This paper summarizes the research work carried out by the authors on domestic refrigerator no-frost evaporators. It includes an explanation of the experimental unit that is currently being constructed to test isobutane ...
    • Analysis of high-order interpolation schemes for solving linear problems in unstructured meshes using the finite volume method 

      Castrillo Green, Pablo; Schillaci, Eugenio; Rigola Serrano, Joaquim (Scipedia, 2022)
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      Finite-volume strategies in fluid-structure interaction problems would be of crucialvimportance in many engineering applications such as in the analysis of reed valves in reciprocating compressors. The efficient implementation ...
    • Analysis of IAQ based on modeling of building envelope coupled with CFD&HT room airflow 

      Capdevila Paramio, Roser; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; López Mas, Joan; Oliva Llena, Asensio (Purdue University, 2014)
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      Buildings represent a major part of the world energy requirement. The simulation of combined heat, air and moisture (HAM) and pollutant transfer in this context is important to predict the indoor air quality (IAQ), along ...
    • Analysis of vapour-compression refrigerating systems 

      Sadurní Caballol, Alexandre; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (2011)
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      The aim of this paper is to show the authors proposal for steady state numerical simulation of Vapour-Compression Refrigerating Systems (dry expansion, liquid overfeed systems, ...). The developed tool allows using different ...
    • 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)
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      Numerical 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 ...
    • Combined heat and moisture transfer in buildings systems 

      Damle, Rashmin; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2012)
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      Temperature and humidity are the two main parameters indicating the comfort level of the building occupants. Although the effect of temperature is taken into account in thermal simulation of buildings, the moisture transfer ...
    • Combustion and air flows simulations of an industrial kiln for sanitary ware manufacture 

      Liu, Jiannan; Ruano Pérez, Jesús; Schillaci, Eugenio; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (Begell House, 2023)
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      The implementation of green hydrogen as fuel in industrial kilns, such as those required in ceramic ware manufacturing processes, would be a disruptive milestone in the decarbonization process of the energyintensive industry. ...
    • Compressible 1D-3D simulation of a muffler with pseudosound prediction levels 

      López Mas, Joan; Ruano Pérez, Jesús; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Institute of Refrigeration, 2015)
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      Numerical software for the simulation of thermal and fluid-dynamic behavior of hermetic reciprocating compressors is a must for its understanding and improvement. Hence, these tools are widely used to improve ...
    • Conservative discretization of multiphase flow with high density ratios 

      Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Balcázar Arciniega, Néstor; Castro González, Jesús; Rigola Serrano, Joaquim; Oliva Llena, Asensio (WIT Press, 2014)
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      The computation of multiphase flows presenting high density ratios, where the fluids involved are considered immiscible, are of great importance for fundamental physics and industrial applications; such as the study of ...
    • Coupling of thermal and electrical systems for the simulation of ECS architectures 

      Ablanque Mejía, Nicolás; Gurumurthy, Sriram; Torras Ortiz, Santiago; Monti, Antonello; Rigola Serrano, Joaquim; Oliet Casasayas, Carles (Linköping University, 2023)
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      This work is focused on the coupling of two complex models based on different underlying physics: a vapor compression refrigerating system and its electrical drive system. The main challenge was to correctly handle the ...
    • Detailed prediction of fluid-solid coupled phenomena of turbulent flow through reed valves 

      González Acedo, Ignacio; Naseri, Alireza; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Institute of Physics (IOP), 2019)
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      The operation of self-actuated valves in suction and discharge processes plays a crucial role in the thermal efficiency and structural reliability of hermetic reciprocating compressors. The present work provides a thorough ...
    • Development and experimental validation of a multi-functional façade model within an object oriented platform 

      Kizildag, Deniz; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Solar Energy Society, 2017)
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      The present work is on the experimental validation of a multi-functional façade model developed within an objectoriented simulation platform. An existing building façade is retrofitted by means of PV and vacuum insulation ...
    • Development of a high accurate numerical platform for the thermal and optical optimization of linear Fresnel receivers 

      Guadamud Anchundia, Erick Alejandro; Chiva Segura, Jorge; Colomer Rey, Guillem; Farnós Baulenas, Joan; Al Mers, Ahmed; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (International Solar Energy Society, 2017)
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      This paper represents an advanced methodology for the detailed modeling of the heat transfer and fluids dynamics phenomena in Linear Fresnel receivers. The present work aims at modeling Linear Fresnel elements (e.g. ...
    • Development of Innovative Heat Sinks for Power Electronics Cooling within the More Electrical Aircraft 

      Oliet Casasayas, Carles; Naseri, Alireza; Rigola Serrano, Joaquim; Oliva Llena, Asensio; Mullen, David; McKay, Connor; Hoell, Klaus; Preishuber-Pfluegl, Florian; Migneau, Maxime (European Conference for AeroSpace Sciences (EUCASS), 2019)
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