Influência de variáveis arquitetônicas no desempenho energético de hotéis no clima quente e úmido da cidade de Natal/RN

This master thesis aims to assess the influence of the design decisions on the energy building performance of hotels. The research is based on the integration of field study and computer simulation. Firstly, a detailed field study is carried out to identify the characteristics of hotels in Natal, Rio Grande do Norte. The items assessed are occupancies, light and equipment densities, types of air conditioning, total and monthly energy consumption, among others. A second and more comprehensive field study is carried out to identify the range of occurrence of architectural variables, with a larger number of buildings. A base case is modelled in VisualDOE, based on the first field study. Then, a first set of simulations are run to explore the sensitivity of the variables on the energy consumption. The results analyses were the base of a second set of simulations, which combined the most influential variables. The results of 384 models were assessed, and the impacts of design decisions were quantified. The study discusses tendencies and recommendations, as well as the methods advantages and disadvantages

Annaes do Parlamento Brazileiro. Tomo I [1827]

Anais do Parlamento Brasileiro, 1827.

Annaes do Parlamento Brazileiro. Tomo III [1827]

Anais do Parlamento Brasileiro, 1827.

Annaes do Parlamento Brazileiro. Tomo II [1827]

Anais do Parlamento Brasileiro, 1827.

Annaes do Parlamento Brazileiro. Tomo IV [1827]

Anais do Parlamento Brasileiro, 1827

Annaes do Parlamento Brazileiro. Tomo V [1827]

Anais do Parlamento Brasileiro, 1827.

O laboratório de microbiologia dos alimentos do Instituto Ricardo Jorge na investigação de surtos de toxinfeção alimentar

Apresentação do INSA, I.P., do Departamento de Alimentação e Nutrição e do Laboratório de Microbiologia. Conceitos de Microbiologia/ Microbiologia Alimentar. Importância da análise microbiológica. Vigilância microbiológica em unidades de restauração coletiva. Estudo e investigação de surtos de toxinfeções alimentares

Ground fault protectionmethods for distribution systems

The system grounding method option has a direct influence on the overall performance of the entire medium voltage network as well as on the ground fault current magnitude. For any kind of grounding systems: ungrounded system, solidly and low impedance grounded and resonant grounded, we can find advantages and disadvantages. A thorough study is necessary to choose the most appropriate grounding protection system. The power distribution utilities justify their choices based on economic and technical criteria, according to the specific characteristics of each distribution network. In this paper we present a medium voltage Portuguese substation case study and a study of neutral system with Petersen coil, isolated neutral and impedance grounded.

La parodia como forma expresiva utilizada en la novela Tierra de Ricardo Lindo en su relectura del pasado colonial

La presente investigación sobre la parodia como forma expresiva en la novela “Tierra” de Ricardo Lindo, ofrece un estudio que permite conocer el pasado colonial salvadoreño y centroamericano inmerso en el texto. El análisis de la novela “Tierra”, como texto modélico, está enfocado en un estudio exhaustivo sobre aspectos narrativos que el escritor utilizó para representar un periodo de la historia salvadoreña, se habla de ese periodo de conquista y colonización. La finalidad de este trabajo es identificar la parodia como forma expresiva utilizada en la novela Tierra de Ricardo Lindo para leer el pasado colonial. Este trabajo en sí, aborda la relación de aquellos aspectos contextuales y estilísticos que contiene a la nueva novela histórica; en otras palabras, es un estudio que muestra el tipo de reciprocidad que existe entre el texto y contexto, aspectos esenciales de la nueva narrativa histórica como una nueva relectura del pasado colonial.

La Banda de Alabarderos (1746-1939). Música y músicos en la jefatura del estado

La Banda de Alabarderos tiene su origen en 1746 dentro del cuerpo homónimo que fue creado por el cronista Gonzalo de Ayora en 1504 para la seguridad del católico rey Fernando. Con el transcurso del tiempo la agrupación musical presenta varios cambios de denominación, así pues, a mediados del XVIII se convierte en la Banda de música del Cuerpo de Guardias de la Reina. Algunos años después se reinstaura nuevamente el cuerpo de Alabarderos hasta llegar a 1868 en el que es disuelto durante el inicio del Sexenio Revolucionario y con él, su banda de música. Con la Restauración Alfonsina en 1875 se reconstruye la Banda de Alabarderos con muchos de los profesores que tenía anteriormente, hasta llegar al siguiente cambio de régimen político durante la primavera de 1931, en el que, tras unos días de incertidumbre por su desintegración como agrupación musical, se decide su continuidad con la nueva denominación de Banda Republicana. Tras la finalización de la Guerra Civil, resurge compuesta por nuevo profesorado, con el nombre de Banda de música del Regimiento del Jefe del Estado y Generalísimo de los Ejércitos, la cual, hereda de la anterior Banda Republicana, su archivo musical, parte de su instrumental y la mayoría de las funciones oficiales. Con el inicio del periodo democrático a partir de 1975, esta misma formación musical, con los mismos músicos y la misma plantilla instrumental, pasa a formar parte de la nueva Guardia Real, llegando hasta la actualidad con la nueva designación de Unidad de Música de la Guardia Real. Podemos afirmar que las bandas de Alabarderos, del Cuerpo de Guardias de la Reina, Nacional Republicana, del Regimiento de la Jefatura del Estado o de la Guardia Real, son una única banda de música con diferentes denominaciones, siempre ligada a la Jefatura del Estado, que desde su creación y a excepción del Sexenio Revolucionario, ha perdurado en el tiempo hasta la actualidad...

Efeito da adição de carbonatos em formulação de massa para revestimento cerâmico utilizando matérias-primas do Piauí

Piauí state is a major producer of traditional red ceramic burning as bricks, tiles and ceramic tiles, with its main production center located in the city of Teresina. The state has large reserves of raw materials that can be used in the ceramic coating as clays, quartz, talc and carbonates. However, in the preparation of ceramic bodies using only a mixture of clays with different characteristics. The study aims to evaluate the effect of adding two types of carbonates in the ceramic semiporous mass coating produced in Piauí and then to verify the potential use of these carbonates as supplementary raw material product manufactured or the feasibility of obtaining a ceramic plate that meets the specifications for the porous coating. For this, were characterized the ceramic Piauí coating mass, a calcitic carbonate and a dolomitic, were made in the levels of 2, 4, 8, 16, and 32%. The masses were formed by pressing and burneds in two environments: a laboratory furnace (1080°C, 1120°C, 1140°C, and 1160°C) and an industrial furnace (1140°C). Then, following tests of linear shrinkage water absorption, apparent porosity, bulk density and flexural strength. Furthermore, the fired specimens were tested for their macrostructure and microstructure. The results showed the possibility of using the carbonate in ceramic mass flooring produced in Piauí, as added in small proportions improved dimensional stability and increased mechanical strength of ceramics pieces. It also proved itself possible to produce porous coating when added in higher levels

Efeito da adição de feldspato e/ou resíduo de caulin em formulações à base de argila ilítica

The red pottery industry in Piauí state is well developed and stands out at the national context for the technical quality of its products. The floor and wall tile industry, however, is little developed since the state has only one company that produces red clay-based ceramic tiles. This thesis aims at using the predominantly illitic basic mass of the above mentioned industry, with the addition of feldspar and/or kaolin residue in order to obtain products of higher technical quality. Kaolin residue consists basically of kaolinite, muscovite mica and quartz; the feldspar used was potassic. In this experiment, basic mass (MB) was used for experimental control and fifteen formulations codified as follows: F2, F4, F8, F16, F32, FR2, FR4, FR8, FR16, FR32, R2, R4, R8, R16 and R32. All raw materials were dry-milled, classified, formulated and then humidified to 10% water. Thereafter, test samples were produced by unixial pressing process in a rectangular steel matrix (60.0 x 20.0 x 5.0) mm3 at (25 MPa). They were fired at four temperatures: 1080°C, 1120°C, 1160°C, with a heating rate of 10°C/min during up to 10 min in an electric oven, and the last one in an industrial oven with a peak of 1140°C, aim ing to confirm the results found in laboratory and, finally, technological tests were performed: MEA, RL, AA, PA, TRF and PF. The results revealed that the residue under study can be considered a raw material with large potential in the industry of red clay-based ceramic tiles, since the results found both in laboratory and in the industry have shown that the test samples produced from the formulations with up to 4% feldspar and those produced with up to 8% feldspar and residue permitted a reduction in the water absorption rate and an increase in the mechanical resistance while those samples produced with up to 4% residue had an increase in the mechanical resistance when compared to those produced from the basic mass and that the formulation with 2% feldspar and residue presented the best technological properties, lowering the sintering temperature down to 1120°C

Ricardo Pérez Monfort: “La historia es fundamental para generar una conciencia sobre la necesidad de una transformación”

Infatigable en la búsqueda, observación y conocimiento de las expresiones culturales en México, Pérez Montfort considera que el estudio y la divulgación de la historia representan un generador de conocimiento, conciencia e identidad para desentrañar el enigmático ser del mexicano.

Músico fundador de la OSUANL: Ricardo Gómez Chavarría

El desempeño destacado del maestro Ricardo Gómez Chavarría como uno de los escasos ejecutantes de la viola y como maestro de violín le abrieron múltiples facetas en sus tareas universitarias tales como maestro en la Escuela de Música y ejecutante en la Orquesta Sinfónica de la Universidad de Nuevo León.

Formulação de massas cerâmicas para porcelanas elétricas utilizando resíduos oriundos de corpos de fusíveis

The power industry generates as waste ceramic bodies of electrical fuses that are discarded after use. The formulation of ceramic bodies for porcelain electrical insulators using waste from the bodies fuse allocation promotes environmentally appropriate, through the reuse of the material. This work evaluated the technical feasibility of using waste for use in electrical porcelains with formulations containing the residue, feldspar and kaolinite. The raw materials were processed through grinding and sieving to 200 mesh. The ceramic material obtained from the proposed formulations with 25%, 30%, 34% and 40% of the residue went through a vibratory mill for grinding and homogenization, and then were sieved at 325 mesh. The samples were shaped in a uniaxial press, with the application of 25 MPa and sintered at 1100° C, 1150°C, 1200°C, 1225°C and 1250°C, at levels of 20 and 45 minutes. Were also developed bodies of evidence with reference formulations obtained without residue, to establish a comparison on physical, mechanical and electrical. The tests were conducted and technology: linear shrinkage, porosity, water absorption, resistance to bending to three points, measuring insulation resistance electrical resistivity of the material, X-ray diffraction and X-ray fluorescence Waste characterizations pointed to the existence of two phases: mullite and quartz phases are of great importance in the microstructure of the ceramic and this fact reveals a possibility for reuse in electrical porcelains. The mullite is an important constituent because it is a phase that makes it possible to increase the mechanical strength in addition to the body allows the use at high temperatures. The use of ceramic bodies residue fuses, proved feasible for application in electrical porcelain and the most significant results were obtained by the formulations with 25% waste and sintering at 1200°C