Wire-mesh sensors are used to determine the phase fraction of gas–liquid two-phase flow in many industrial applications. In this paper, we report the use of the sensor to study the flow behavior inside an offshore oil and gas industry device for subsea phase separation. The study focused on the behavior of gas–liquid slug flow inside a flow distribution device with four outlets, which is part of the subsea phase separator system. The void fraction profile and the flow symmetry across the outlets were investigated using tomographic wire-mesh sensors and a camera. Results showed an ascendant liquid film in the cyclonic chamber with the gas phase at the center of the pipe generating a symmetrical flow. Dispersed bubbles coalesced into a gas vortex due to the centrifugal force inside the cyclonic chamber. The behavior favored the separation of smaller bubbles from the liquid bulk, which was an important parameter for gas-liquid separator sizing. The void fraction analysis of the outlets showed an even flow distribution with less than 10% difference, which was a satisfactorily result that may contribute to a reduction on the subsea gas–liquid separators size. From the outcomes of this study, detailed information regarding this type of flow distribution system was extracted. Thereby, wire-mesh sensors were successfully applied to investigate a new type of equipment for the offshore oil and gas industry.
RESUMOO presente artigo procurou tecer relações entre arte afro-brasileira e educação, repensando o ato pedagógico presente na interpretação de mundo do artista em meio à concepção de suas obras. Os textos do autor moçambicano Mia Couto e as canções interpretadas pela cantora brasileira Clara Nunes são obras de arte expoentes da cultura africana e afro-brasileira e trazem o conhecimento sensível abordo, enriquecendo a percepção do ato pedagógico que configura formas de manifestação da existência humana, sobretudo a arte no âmbito da música e da literatura.Palavras-chave: Arte; Ato pedagógico; Conhecimento sensível.
ABSTRACTThis article seek making relations between African-Brazilian art and education, rethinking this pedagogical act in the interpretation of the artist's world through the design of his works. The texts of the Mozambican author Mia Couto and songs performed by Brazilian singer Clara Nunes are works of art exponents of African culture and African-Brazilian and bring felt knowledge aboard, enriching the perception of the pedagogical act that sets manifestations of human existence, especially the art in the context of music and literature.Keywords : Art ; Pedagogical act ; Felt Knowledge.
INTRODUÇÃOA atividade humana é essencialmente criadora pois a ação intencional do homem de transformar a realidade funciona como resposta às suas inquietações existenciais (TROJAN, 1996). Desde os primórdios da civilização humana o homem buscou formas de trabalhar a realidade de seu meio físico e metafísico. Observando e atribuindo usos aos elementos naturais disponíveis, desenvolveu a escultura, a pintura a partir de pigmentos extraídos de plantas e solos e a arquitetura, que são as primeiras formas de arte registradas pelo homem. Além disso, os povos primeiros tinham as cantigas como uma forma de conexão com o divino, como caminhos para alcançar a perfeição, deste modo fortaleciam a espiritualidade e a cultura, que era passada de geração para geração apenas através do canto, até a invenção da escrita, que possibilitou o registro e salvaguarda dessas obras.
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