Search Results - "Molina, A.E."

Influence of corrugation shape on heat transfer performance in corrugated tubes using numerical simulations by Córcoles, J.I., Belmonte, J.F., Molina, A.E., Almendros-Ibáñez, J.A.

“…In this paper, numerical simulations are carried out to analyse the influence of geometrical parameters on the heat transfer and flow patterns for six spirally…”
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Sedimentation rates from calcareous nannofossil and planktonic foraminifera biostratigraphy in the Andaman Sea, northern Bay of Bengal, and eastern Arabian Sea by Flores, J.A., Johnson, J.E., Mejía-Molina, A.E., Álvarez, M.C., Sierro, F.J., Singh, S.D., Mahanti, Syamal, Giosan, L.

“…In this study we determined calcareous nannofossil and planktonic foraminifera events in sediments recovered during the 2006 Indian National Gas Hydrate…”
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Numerical and experimental study of the heat transfer process in a double pipe heat exchanger with inner corrugated tubes by Córcoles, J.I., Moya-Rico, J.D., Molina, A.E., Almendros-Ibáñez, J.A.

“…In this study, 3-D numerical simulations were carried out to analyse the influence of geometrical parameters for eight spirally inner corrugated tubes at…”
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Experimental characterization of a double tube heat exchanger with different corrugated tubes and shells by Moya-Rico, J.D., Molina, A.E., Córcoles, J.I., Almendros-Ibáñez, J.A.

“…The aim of this paper was to study the influence of a double tube heat exchanger (DTHX) on thermo-hydraulic performance, considering 21 different shell–tube…”
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Characterization of a triple concentric-tube heat exchanger with corrugated tubes using Artificial Neural Networks (ANN) by Moya-Rico, J.D., Molina, A.E., Belmonte, J.F., Córcoles Tendero, J.I., Almendros-Ibáñez, J.A.

“…•The performance of a triple concentric-tube heat exchanger has been conducted.•ANN model was validated using a huge databank including 181 experimental…”
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Air-based solar systems for building heating with PCM fluidized bed energy storage by Belmonte, J.F., Izquierdo-Barrientos, M.A., Molina, A.E., Almendros-Ibáñez, J.A.

“…•Integration of a PCM fluidized-bed storage in solar air systems for building heating.•Alternative to the usual energy storage based on packed beds of rocks or…”
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Experimental characterization of a double tube heat exchanger with inserted twisted tape elements by Moya-Rico, J.D., Molina, A.E., Belmonte, J.F., Córcoles Tendero, J.I., Almendros-Ibáñez, J.A.

“…•The performance of a double tube heat exchanger with inserted TTEs was characterized.•Novel Nu and f correlations were developed using 320 experimental…”
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Numerical simulation of the heat transfer process in a corrugated tube by Córcoles-Tendero, J.I., Belmonte, J.F., Molina, A.E., Almendros-Ibáñez, J.A.

“…This paper analyses the effect of spirally corrugation in a simple tube on the heat transferred and friction factor using numerical simulations. The…”
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A numerical study of external building walls containing phase change materials (PCM) by Izquierdo-Barrientos, M.A., Belmonte, J.F., Rodríguez-Sánchez, D., Molina, A.E., Almendros-Ibáñez, J.A.

“…Phase Change Materials (PCMs) have been receiving increased attention, due to their capacity to store large amounts of thermal energy in narrow temperature…”
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CSP on fluidized particles with a beam-down reflector: Comparative study of different fluidization technologies by Díaz-Heras, M., Moya, J.D., Belmonte, J.F., Córcoles-Tendero, J.I., Molina, A.E., Almendros-Ibáñez, J.A.

“…•Bubbling fluidized and spouted beds with concentrated solar energy are compared.•Two simple numerical models to analyze the behavior of both technologies are…”
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Integration of absorption refrigeration systems into rankine power cycles to reduce water consumption: An economic analysis by Ramírez, F. Javier, Salgado, R., Almendros-Ibáñez, J.A., Belmonte, J.F., Molina, A.E.

“…This work presents the economic modeling and analysis of a thermoelectric steam power plant (SPP) cooled with an air-cooled heat exchanger (ACHX) and using an…”
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A simplified method for modeling the thermal performance of storage tanks containing PCMs by Belmonte, J.F., Eguía, P., Molina, A.E., Almendros-Ibáñez, J.A., Salgado, R.

“…•A simple method for modeling the performance of a TES system with a PCM is presented.•The method is generally applicable to any TES system containing a…”
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Thermal simulation and system optimization of a chilled ceiling coupled with a floor containing a phase change material (PCM) by Belmonte, J.F., Eguía, P., Molina, A.E., Almendros-Ibáñez, J.A.

“…•The PCM is incorporated into the floor of the building.•A hydronic radiant ceiling system is used to discharge the PCM.•This configuration minimizes the short…”
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Integration of absorption refrigeration systems into Rankine power cycles to reduce water consumption: A thermodynamic analysis by Salgado, R., Belmonte, J.F., Almendros-Ibáñez, J.A., Molina, A.E.

“…A high percentage of the heat that is supplied to thermoelectric power plants is discarded to ambient and must be handled by an external cooling system. This…”
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Fins with a prescribed temperature at the tip: Efficiency and effectiveness expressions by Almendros-Ibáñez, J.A., Belmonte, J.F., Molina, A.E.

“…This paper presents an analysis of extended surfaces with constant cross-sectional area and a prescribed temperature at the tip. The expressions of the fin…”
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PCM in the heat rejection loops of absorption chillers. A feasibility study for the residential sector in Spain by Belmonte, J.F., Izquierdo-Barrientos, M.A., Eguía, P., Molina, A.E., Almendros-Ibáñez, J.A.

“…This study investigates the integration of phase change materials (PCMs) in the heat rejection loops of absorption solar cooling systems for residential…”
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Solar energy captured by a curved collector designed for architectural integration by Rodríguez-Sánchez, D., Belmonte, J.F., Izquierdo-Barrientos, M.A., Molina, A.E., Rosengarten, G., Almendros-Ibáñez, J.A.

“…•We present a new prototype of solar collector for architectural integration.•Equations of the solar radiation on a curved surface.•We compare the energy…”
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CURRENT AND RELIC CARBON USING NATURAL ABUNDANCE CARBON-13 1 by Layese, M. F., Clapp, C. E., Allmaras, R. R., Linden, D. R., Copeland, S. M., Molina, J. A.E., Dowdy, R. H.

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Soil organic carbon and nitrogen in a Minnesota soil as related to tillage, residue and nitrogen management by Dolan, M.S., Clapp, C.E., Allmaras, R.R., Baker, J.M, Molina, J.A.E.

“…Soil organic carbon (SOC) and nitrogen (N) are directly influenced by tillage, residue return and N fertilization management practices. Soil samples for SOC…”
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A comparison of the performance of nine soil organic matter models using datasets from seven long-term experiments by Smith, P., Smith, J.U., Powlson, D.S., McGill, W.B., Arah, J.R.M., Chertov, O.G., Coleman, K., Franko, U., Frolking, S., Jenkinson, D.S., Jensen, L.S., Kelly, R.H., Klein-Gunnewiek, H., Komarov, A.S., Li, C., Molina, J.A.E., Mueller, T., Parton, W.J., Thornley, J.H.M., Whitmore, A.P.

“…Nine soil organic models were evaluated using twelve datasets from seven long-term experiments. Datasets represented three different land-uses (grassland,…”
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