Control y monitoreo de un sistema de generación de energía eléctrica con paneles solares para el alumbrado público en la Facultad de Informática y Electrónica.

Se diseñó un sistema de generación de energía eléctrica eficiente con paneles solares para el alumbrado público en el modular uno de la Facultad de Informática y Electrónica, el sistema consta de tres partes importantes como: módulo de generación eléctrica encargado de producir y almacenar la energía en un banco de baterías y a la vez usada por el módulo de alumbrado el cual es controlado por un circuito electrónico que se encarga del encendido y apagado de la lámpara led mediante un tiempo determinado, el control se realizó con un Arduino que se encarga de la comunicación serial con los circuitos como: divisor de voltaje de las baterías, paneles solares, actuadores y otros. Se incorporó con el Toolkit VISA a una interfaz gráfica desarrollado en el software de Labview, que se encarga del monitoreo, captando información de radiación solar, voltaje, porcentaje de carga de los paneles solares y baterías, almacenando los datos en un archivo .xlx para luego ser transformados a un archivo Excel y procesados; la simulación se desarrolló en Labview utilizando Toolkit 3D para obtener datos por el software como: radiación solar, declinación, altura, inclinación, potencia, energía, acimut del movimiento del sol estos datos son mostrados en la herramienta Table Control donde la simulación demostró que el sistema móvil es más eficiente con un 27.22%; concluyendo que las pruebas realizadas determinaron que el sistema de generación eléctrica es más eficiente al momento de recolectar la energía y almacenar en el banco de baterías puesto que abastece al funcionamiento de la carga en los días de autonomía estipulados sin que exista la descarga profunda del acumulador, recomendando instalar los paneles fotovoltaicos alejados de objetos que puedan obstruir los rayos solares y no permitan que los mismos no trabajen a su mayor capacidad.A System of generation of efficient electric energy was designed with solar panels for street lighting in the modular one of the Faculty of Informatics and Electronics, the system consists of three major parts as: module responsible power generation to produce and store energy in a battery bank and simultaneously used by the lighting module which is controlled by an electronic circuit that is responsible for turning on and off lamp led by a certain time, this control was performed with an Arduino that handles communication serial with circuits such as: voltage divider batteries, solar panels, actuators and others. It joined with VISA Toolkit to a graphical interface developed in Labview software, which is responsible for monitoring, capturing information of solar radiation, voltage, load percentage of solar panels and batteries, storing the data in a file xlx, then, to be transformed to an Excel file and processed, too; the simulation was developed in Labview using Toolkit 3D to obtain data from software such as: solar radiation, decline, height, tilt, power, energy, azimuth movement of the sun, these data are shown in Table Control tool, where the simulation showed that the mobile system is more efficient with 27.22%; concluding that tests determined that the power generation system is more efficient when colleting energy and stored in the battery bank beacuse it caters to the operation of the load in the days of autonomy stipulated without any deep discharge of the accumulator, recommending install photovoltaic panels away from objects than may block sunlight and do not allow them not to work at their highest capacity

Pathways and efficiency of nitrogen attenuation in wastewater effluent through soil aquifer treatment

Soil Aquifer Treatment (SAT) is used to increase groundwater resources and enhance the water quality of wastewater treatment plant (WWTP) effluents. The resulting water quality needs to be assessed. In this study, we investigate attenuation pathways of nitrogen (N) compounds (predominantly NH4+) from a secondary treatment effluent in pilot SAT systems: both a conventional one (SAT-Control system) and one operating with a permeable reactive barrier (PRB) to provide extra dissolved organic carbon to the recharged water. The goal is to evaluate the effectiveness of the two systems regarding N compounds by means of chemical and isotopic tools. Water chemistry (NO3-, NH4+, Non-Purgeable Dissolved Organic Carbon (NPDOC), and O2) and isotopic composition of NO3- (ẟ15N-NO3- and ẟ18O-NO3-) and NH4+ (ẟ15N-NH4+) were monitored in the inflow and at three different sections and depths along the aquifer flow path. Chemical and isotopic results suggest that coupled nitrification-denitrification were the principal mechanisms responsible for the migration and distribution of inorganic N in the systems and that nitrification rate decreased with depth. At the end of the study period, 66% of the total N in the solution was removed in the SAT-PRB system and 69% in the SAT-Control system, measured at the outlet of the systems. The residual N in solution in the SAT-PRB system had an approximately equal proportion of N-NH4+ and N-NO3- while in the SAT-Control system, the residual N in solution was primarily N-NO3-. Isotopic data also confirmed complete NO3- degradation in the systems from July to September with the possibility of mixing newly generated NO3- with the residual NO3- in the substrate pool

A multi-decade record of high quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT)

The Surface Ocean CO2 Atlas (SOCAT) is a synthesis of quality-controlled fCO2 (fugacity of carbon dioxide) values for the global surface oceans and coastal seas with regular updates. Version 3 of SOCAT has 14.7 million fCO2 values from 3646 data sets covering the years 1957 to 2014. This latest version has an additional 4.6 million fCO2 values relative to version 2 and extends the record from 2011 to 2014. Version 3 also significantly increases the data availability for 2005 to 2013. SOCAT has an average of approximately 1.2 million surface water fCO2 values per year for the years 2006 to 2012. Quality and documentation of the data has improved. A new feature is the data set quality control (QC) flag of E for data from alternative sensors and platforms. The accuracy of surface water fCO2 has been defined for all data set QC flags. Automated range checking has been carried out for all data sets during their upload into SOCAT. The upgrade of the interactive Data Set Viewer (previously known as the Cruise Data Viewer) allows better interrogation of the SOCAT data collection and rapid creation of high-quality figures for scientific presentations. Automated data upload has been launched for version 4 and will enable more frequent SOCAT releases in the future. High-profile scientific applications of SOCAT include quantification of the ocean sink for atmospheric carbon dioxide and its long-term variation, detection of ocean acidification, as well as evaluation of coupled-climate and ocean-only biogeochemical models. Users of SOCAT data products are urged to acknowledge the contribution of data providers, as stated in the SOCAT Fair Data Use Statement. This ESSD (Earth System Science Data) “living data” publication documents the methods and data sets used for the assembly of this new version of the SOCAT data collection and compares these with those used for earlier versions of the data collection (Pfeil et al., 2013; Sabine et al., 2013; Bakker et al., 2014). Individual data set files, included in the synthesis product, can be downloaded here: doi:10.1594/PANGAEA.849770. The gridded products are available here: doi:10.3334/CDIAC/OTG.SOCAT_V3_GRID

Towards a Deleuzoguattarian methodology for urban design

© 2018, © 2018 Informa UK Limited, trading as Taylor & Francis Group. The philosophy of Gilles Deleuze and Felix Guattari (Deleuzoguattarian) is now widely thought to be apropos for today’s world. This paper proposes Deleuzoguattarian philosophy as a new methodology for urban design research and practice. First, existing methodologies in the field of urban design are examined and their strengths and limitations outlined in relation to current urban problems. A reading of Deleuzoguattarian philosophy from an urban design perspective is then provided in order to propose a new methodology for research and practice. This reading mainly concentrates on the ontology and epistemology offered by the philosophy, aspects that have been neglected in the literature. The concept of territorialization as a complementary concept to assemblage theory is highlighted in order to illustrate the characteristics of the ontology and epistemology. Finally, normative goals are discussed. It is concluded that Deleuzoguattarian philosophy is not only an ethical response to modernism but is an epistemological need