Flood lamination strategy based on a three-flood-diversion-area system management

The flood lamination has for principal objective to maintain a downstream flow at a fixed lamination level. For this goal, it is necessary to proceed to the dimensioning of the river system capacity and to make sure of its management by taking into account socio-economic and environmental constraints. The use of flood diversion areas on a river has for main interest to protect inhabited downstream areas. In this paper, a flood lamination strategy aiming at deforming the wave of flood at the entrance of the zone to be protected is presented. A transportation network modeling and a flow optimization method are proposed. The flow optimization method, is based on the modeling of a Min-Cost-Max-flow problem with a linear programming formulation. The optimization algorithm used in this method is the interior-point algorithm which allows a relaxation of the solution of the problem and avoids some non feasibility cases due to the use of constraints based on real data. For a forecast horizon corresponding to the flood episode, the management method of the flood volumes is evaluated on a 2D simulator of a river equipped with a three-flood-diversion- area system. Performances show the effectiveness of the method and its ability to manage flood lamination with efficient water storage

A 2D extension of a large time step explicit scheme (CFL>1) for unsteady problems with wet/dry boundaries

A 2D Large Time Step (LTS) explicit scheme on structured grids is presented in this work. It is first detailed and analysed for the 2D linear advection equation and then applied to the 2D shallow water equations. The dimensional splitting technique allows us to extend the ideas developed in the 1D case related to source terms, boundary conditions and the reduction of the time step in the presence of large discontinuities. The boundary conditions treatment as well as the wet/dry fronts in the case of the 2D shallow water equations require extra effort. The proposed scheme is tested on linear and non-linear equations and systems, with and without source terms. The numerical results are compared with those of the conventional scheme as well as with analytical solutions and experimental data

Quality Function Deployment: Can Improve Innovation Efficiency in the Food Industry?

This paper considers the implementation of the Quality Function Deployment (QFD) as a methodological framework for the development of new food products. This paper focuses on the beef supply chain and develops a horizontal product’s quality deployment as a strategic tool for the implementation of consumer-led product innovation strategies. Difficulties in the prioritisation of parameters and setting of target values for the desired performance level of each parameter would limit the implementation of a complete ‘four-phase’ model in the sector. Thus, the use of complementary management tools, such as SWOT analysis and Failure Mode and Effect Analysis (FMEA) would be necessary to develop more suitable process designs to the specific requirements of the sector.Agribusiness, Research and Development/Tech Change/Emerging Technologies,

Conservación de productos cárnicos por aceites esenciales de Citrus spp.

Los consumidores en la actualidad prefieren productos cárnicos frescos (Sánchez et al., 2008) y un tiempo de vida útil mayor; sin embargo, su deterioro por la presencia de microorganismos deterioradores como Escherichia coli, Salmonella spp., Listeria monocytogenes y Staphylococcus aureus (Montalvo & Rojas, 2020) provocan la perdida de cualidades nutricionales y perdida de sus características organolépticas de los alimentos. Sin embargo, se vienen aplicando aceites vegetales como bioconservantes (Astudillo, 2014), tal es el caso de los cítricos (Oviedo, 2007) para reducir la presencia de estos patógenos y mejorar sus características organolépticas de los alimentos tratados (Sánchez et al., 2008). Ante esta situación, no hemos planteado como objetivo: Revisar información bibliográfica de los estudios relacionados a la capacidad de conservación por aceites esenciales de Citrus spp. sobre productos cárnicos. Para la redacción de este trabajo, se consultó vía virtual las paginas de Scielo, Science direct y Google scholar; obteniendo como resultado, que las cascaras provenientes del género Citrus son utilizadas para la extracción de aceites esenciales y son aplicados en productos cárnicos transformados, permitiendo la inhibición de microorganismos patógenos como Salmonella enteritidis, Listeria monocytogenes y Staphylococcus aureus; o mejorando las características organolépticas de los productos tratados. Por lo tanto, es evidente que los aceites esenciales de los materiales residuales de Citrus spp. favorecen el alargamiento de la vida útil de alimentos cárnicos tratados, reconsiderando que no representan un peligro para la salud del consumidor y ambiente

Conservación de productos cárnicos por aceites esenciales de Citrus spp.

Los consumidores en la actualidad prefieren productos cárnicos frescos (Sánchez et al., 2008) y un tiempo de vida útil mayor; sin embargo, su deterioro por la presencia de microorganismos deterioradores como Escherichia coli, Salmonella spp., Listeria monocytogenes y Staphylococcus aureus (Montalvo & Rojas, 2020) provocan la perdida de cualidades nutricionales y perdida de sus características organolépticas de los alimentos. Sin embargo, se vienen aplicando aceites vegetales como bioconservantes (Astudillo, 2014), tal es el caso de los cítricos (Oviedo, 2007) para reducir la presencia de estos patógenos y mejorar sus características organolépticas de los alimentos tratados (Sánchez et al., 2008). Ante esta situación, no hemos planteado como objetivo: Revisar información bibliográfica de los estudios relacionados a la capacidad de conservación por aceites esenciales de Citrus spp. sobre productos cárnicos. Para la redacción de este trabajo, se consultó vía virtual las paginas de Scielo, Science direct y Google scholar; obteniendo como resultado, que las cascaras provenientes del género Citrus son utilizadas para la extracción de aceites esenciales y son aplicados en productos cárnicos transformados, permitiendo la inhibición de microorganismos patógenos como Salmonella enteritidis, Listeria monocytogenes y Staphylococcus aureus; o mejorando las características organolépticas de los productos tratados. Por lo tanto, es evidente que los aceites esenciales de los materiales residuales de Citrus spp. favorecen el alargamiento de la vida útil de alimentos cárnicos tratados, reconsiderando que no representan un peligro para la salud del consumidor y ambiente

Calibration of Numerical Modelling of Hydrological and Hydraulic Processes in Arnas Experimental Basin

Source: ICHE Conference Archive - https://mdi-de.baw.de/icheArchiv

Segona aportació al coneixement dels macromicets de la zona de Garraf

En aquesta segona contribució a l 'estudi de la zona del Garraf (Parc Natural) i àrees properes, citem 249 espècies ( 1 2 mixomicets, 1 zigomicet, 53 ascomicets, 5 fongs mitospòrics i 1 78 basidiomicets), d'entre les quals destaquem, per la seva raresa Desmazierella acicola Lib., Mollisia junciseda P. Karst., Pachyella violaceonigra (Rehm) Pfister i Peziza boltonii Qué! ., entre els ascomicets, i Agaricus gennadii (Chatin et Boud.) PD. Orton, Clitocybe mortuosa (Fr. ) Sacc., Entoloma undulatosporum Arnolds et Noorde!., Gymnopilus picreus (Pers. : Fr.) P. Karst., lnonotus rheades (Pers.) Bondartsev et Singer, Lepiota xanthophylla P.D. Orton, Leucoagaricus bresadolae (Schulzer) Bon, Marasmius minutus Peck, Panaeolus dunensis Bon et Courtec. i Thelephora atra Weinrn., entre els basidiomicets.The present contribution covers the natural park of Garraf (SW of Barcelona, Catalonia) and neighbouring areas and incIudes records of 249 species ( 1 2 Myxomycetes, I Zygomycetes, 53 Ascomycetes, 5 Mitosporic fungi and 1 78 Basidiomycetes). Some species are noteworthy becau se of their rarity: the Ascomycetes Desmazierella acicola Lib., Mollisia junciseda P. Karst., Pachyella violaceonigra (Rehm) Pfister and Peziza boftonii Qué!., and the Basidiomycetes Agaricus gennadii (Chatin et Boud.) PD. Orton, Clitocybe mortuosa (Fr. ) Sacc., Entoloma undulatosporum Arnolds et Noorde!., Gymnopilus picreus (Pers. : Fr.) P. Karst., Inonotus rheades (Pers.) Bondartsev et Singer, Lepiota xanthophylla P.D. Orton, Leucoagaricus bresadolae (Schulzer) Bon, Marasmius minutus Peck, Panaeolus dunensis Bon et Courtec. and Thelephora afra Weinrn

Segona aportació al coneixement dels macromicets de la zona de Garraf

En aquesta segona contribució a l 'estudi de la zona del Garraf (Parc Natural) i àrees properes, citem 249 espècies ( 1 2 mixomicets, 1 zigomicet, 53 ascomicets, 5 fongs mitospòrics i 1 78 basidiomicets), d'entre les quals destaquem, per la seva raresa Desmazierella acicola Lib., Mollisia junciseda P. Karst., Pachyella violaceonigra (Rehm) Pfister i Peziza boltonii Qué! ., entre els ascomicets, i Agaricus gennadii (Chatin et Boud.) PD. Orton, Clitocybe mortuosa (Fr. ) Sacc., Entoloma undulatosporum Arnolds et Noorde!., Gymnopilus picreus (Pers. : Fr.) P. Karst., lnonotus rheades (Pers.) Bondartsev et Singer, Lepiota xanthophylla P.D. Orton, Leucoagaricus bresadolae (Schulzer) Bon, Marasmius minutus Peck, Panaeolus dunensis Bon et Courtec. i Thelephora atra Weinrn., entre els basidiomicets.The present contribution covers the natural park of Garraf (SW of Barcelona, Catalonia) and neighbouring areas and incIudes records of 249 species ( 1 2 Myxomycetes, I Zygomycetes, 53 Ascomycetes, 5 Mitosporic fungi and 1 78 Basidiomycetes). Some species are noteworthy becau se of their rarity: the Ascomycetes Desmazierella acicola Lib., Mollisia junciseda P. Karst., Pachyella violaceonigra (Rehm) Pfister and Peziza boftonii Qué!., and the Basidiomycetes Agaricus gennadii (Chatin et Boud.) PD. Orton, Clitocybe mortuosa (Fr. ) Sacc., Entoloma undulatosporum Arnolds et Noorde!., Gymnopilus picreus (Pers. : Fr.) P. Karst., Inonotus rheades (Pers.) Bondartsev et Singer, Lepiota xanthophylla P.D. Orton, Leucoagaricus bresadolae (Schulzer) Bon, Marasmius minutus Peck, Panaeolus dunensis Bon et Courtec. and Thelephora afra Weinrn

Dopamine interaction with a polyamine cryptand of 1H-pyrazole in the absence and in the presence of Cu(II) ions. Crystal structure of [Cu2(H21L](ClO4)3·2H2O

The crystal structure of the binuclear Cu2+ complex [Cu2(H21L)](ClO4)3·2H2O of the cryptand L = 1,4,7,8,11,14,17,20,21,24,29,32,33,36-tetradecaazapentacyclo[12.12.12.1^(6,9).1^(19,22),1,^31,34]hentetraconta-6,9(41),19(40), 21,31,34(39)-hexaene is presented; evidence for the formation in solution of binary L–dopamine and ternary Cu2+–L– dopamine complexes is presented.Escarti Alemany, Francisco, [email protected] ; Garcia-España Monsonis, Enrique, [email protected] ; Latorre Saborit, Julio, [email protected]

High Performance GPU Speed-Up Strategies For The Computation Of 2D Inundation Models

Two-dimensional (2D) models are increasingly used for inundation assesements in situations involving large domains of millions of computational elements and long-time scales of several months. Practical applications often involve a compromise between spatial accuracy and computational efficiency and to achieve the necessary spatial resolution, rather fine meshes become necessary requiring more data storage and very long computer times comparable to the real simulated process (e.g. 1 month of real-time simulation may require 1 month of computations approximately). Obviously, using conventional 2D non-parallelized models (CPU based) make simulations impractical in real project applications, but improving the performance of such complex models constitutes an important challenge not yet resolved. We present the newest developments of the RiverFLO-2D Plus model based on a fourth-generation finite volume numerical scheme on flexible triangular meshes that can run on highly efficient Graphical Processing Units (GPU’s). In order to reduce the computational load, we have implemented both OpenMP parallelization and GPU techniques. Since dealing with transient inundation flows the number of wet elements change during the simulation, we developed a dynamic task assignment to the processors that ensures a balanced their work load. Our method to control strict volume conservation (errors of Order 10-14 %) the numerical modeling of the wetting/drying fronts involves a correction step that is not fully local. This introduces an additional difficulty for the code parallelization. We present results that show that the proposed methods reducing computational time by more than 30 times in comparison to equivalent CPU implementations. We present performance tests using the latest GPU hardware technology, such as the NVIDIA K20m that show that the parallelization techniques implemented in RiverFLO-2D Plus can significantly reduce the Computational-Load/Hardware-Investment ratio by a factor of 200-300 allowing 2D model end-users to obtain the performance of a super computation infrastructure at a much lower cost