Universidade do Vale do Rio dos Sinos - UNISINOS: Envíos recientes
Mostrando ítems 3581-3600 de 10806
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The shelf edge: characterization and significance of the shelf-slope break threshold for the infilling of the mid-Jurassic Neuquén Basin, Argentina
(Universidade do Vale do Rio dos Sinos, 2020-04-13)Sedimentary wedges that build out from the margin of deep-water basins often exhibit large-scale (hundreds of meters), topset-foreset clinoform geometries. Deepwater basins therefore have a shelf-margin morphology of flat ... -
Estudo de indicadores de eficiência energética na usinagem integrando monitoramento de energia com sistema de execução de manufatura
(Universidade do Vale do Rio dos Sinos, 2020-01-23)Energy efficiency in manufacturing is an increasingly discussed issue in the pursuit of reducing energy costs and reducing the negative environmental impact of industrial processes. Thus, it seeks to produce more with less ... -
Constructal design of an idealized arterial bypass graft subjected to Newtonian and non-Newtonian blood flow
(Universidade do Vale do Rio dos Sinos, 2020-04-06)Arterial bypass grafts tend to fail after some years due to Intimal Hyperplasia – an abnormal proliferation of smooth muscle cells that leads to restenosis and graft occlusion. In this regard and based on the Constructal ... -
Balanço de massa e energia da produção de placa polimérica reforçada com fibra de coco
(Universidade do Vale do Rio dos Sinos, 2020-01-22)The processing of residues, with a view to obtaining raw materials, is in line with the concept of circular economy and can make it possible to reduce energy consumption, CO2 emissions and negative environmental impacts ... -
Análise do escoamento monofásico de água em microcanais: desenvolvimento e caracterização de um trocador de calor para o resfriamento de sistemas eletrônicos
(Universidade do Vale do Rio dos Sinos, 2020-01-22)There is an industrial interest in research and development of microchannel heat exchangers due to the need for heat dissipation in compact systems. Cooling electronics is an example of an application that requires high ... -
Desenvolvimento de sensor de pressão para aplicação industrial
(Universidade do Vale do Rio dos Sinos, 2020-03-24)This work presents the piezoresistive sensor technologies used in pressure measurement. Pressure sensors are used in a wide range of applications, among which the industrial area has an important market share. The work ... -
Instrumentação eletrônica para um sistema de auxílio a avaliação de evolução de falhas em motores de indução, por meio do sensoriamento “sem contato” de corrente
(Universidade do Vale do Rio dos Sinos, 2020-03-18) -
Manutenção de linhas de transmissão: metodologia multicritério para priorização da correção de defeitos em linhas de transmissão
(Universidade do Vale do Rio dos Sinos, 2019-07-11)In the electrical sector, interruptions in the transmission system due to unforeseen disconnections generate great inconveniences for utilities and society, in addition to high financial losses. Therefore, it´s established ... -
Literature grounded theory: método de pesquisa para investigação sobre o conhecimento científico e tecnológico
(Universidade do Vale do Rio dos Sinos, 2020-03-24)The continuous growth in the number of publications promotes science advances, meanwhile, it becomes more difficult to map the already published researches in a given field, or even in specific topics. For this reason, it ... -
Avaliação exploratória da eficiência econômica em sistemas de manufatura
(Universidade do Vale do Rio dos Sinos, 2020-03-31)The increase in productivity and efficiency in manufacturing systems has attracted growing interest from academia and companies. An alternative to analyzes carried out using traditional technical measures such as Overall ... -
Elementos norteadores para gestão de micro e pequenos negócios de impacto socioambiental no Rio Grande do Sul - Brasil
(Universidade do Vale do Rio dos Sinos, 2020-03-23)Impact businesses are entrepreneurial phenomena that aim to mitigate social and/or environmental problems with new organizational and sustainable formats. In essence, they are organizations geared to socio-environmental ... -
Análise exploratória da transformação digital nos processos das cadeias de suprimento
(Universidade do Vale do Rio dos Sinos, 2020-03-24)Digital transformation presents itself as a new paradigm in supply chain processes. Organizations do not operate in isolation, needing to cooperate with the Supply Chain (CS) to boost the businesses in which they are ... -
Modelo de avaliação da segurança operacional de aeroportos
(Universidade do Vale do Rio dos Sinos, 2020-03-17)For the sustainable growth of the airline sector, it is necessary that the infrastructure and operational management of airports are able to absorb the growing demand for flights, without the degradation of safety. Although ... -
Does the theory of constraints in supply chain management really matter? An assessment of the impacts of the TOC in the redesign of a supply chain
(Universidade do Vale do Rio dos Sinos, 2020-03-27)In a world with increasing complexity, a challenging scenario and greater competition many companies still feel that their supply chains do not have the competencies required to prosper within such environment. In fact, ... -
Proposta de um framework para análise dos impactos da Indústria 4.0 na cadeia de valor
(Universidade do Vale do Rio dos Sinos, 2020-03-24)Industry 4.0 (I4.0) will impact the value chains in such a way that it will be necessary to rethink business and the competitive landscape. To define strategies related to the phenomenon, organizations must look more broadly ... -
Comportamento térmico de argamassas de revestimento externo com substituição parcial do agregado miúdo por materiais reciclados
(Universidade do Vale do Rio dos Sinos, 2020-03-26)The growth in energy consumption in buildings, the scarcity of natural resources and the increase in waste production leveraged the need to develop sustainable solutions in the civil construction sector. The incorporation ... -
Estudo da viabilidade da recuperação do coagulante sulfato de alumínio em lodo de estação de tratamento de água (LETA)
(Universidade do Vale do Rio dos Sinos, 2020-03-18)The Sludge of Water Treatment Station (SWTP) is generated in the coagulation step of the conventional water treatment system. The disposal of SWTP in rivers is a reality and this practice can cause negative environmental ... -
Comportamento de misturas compostas com fíleres carbonáticos frente à carbonatação
(Universidade do Vale do Rio dos Sinos, 2020-03-27)Limestone filler is used as a substitute for clinker in cement mixtures in order to reduce carbon dioxide emissions in the environment and fill the voids of cement paste. Permissible substitution levels are increasing in ... -
Análise dos filmes de passivação formados em aços baixo carbono e microcompósito em função do pH e da força iônica da solução dos poros do concreto: caracterização eletroquímica e por microscopia de força atômica
(Universidade do Vale do Rio dos Sinos, 2020-03-30)Currently, the growing environmental concern turns on the industry's need to reduce the consumption of natural resources, reduce the generation of waste and reuse the waste generated. In this context, the addition of silica ... -
Avaliação do efeito da composição da solução dos poros na qualidade da passivação e resistência à corrosão da armadura do concreto
(Universidade do Vale do Rio dos Sinos, 2020-04-06)Reinforced concrete structures have been deteriorating and showing performance decrease before than planned resulting in not only maintenance costs but also a bigger environmental impact due to the residues and materials ...