23 documents found, page 1 of 3
Comparação do impacto da temperatura no desempenho de módulos fotovoltaicos est...
Debastiani, Gilson; Nogueira , Carlos Eduardo Camargo; Acorci , Jeferson Manenti; Siqueira , Jair Antonio Cruz; Silveira, Vander FabioA participação da energia fotovoltaica aumentou a relevância no cenário mundial. Este estudo objetivou avaliar se o rastreamento solar em sistemas fotovoltaicos, além de afetar positivamente a geração de energia, também impacta a irradiância solar, temperatura e eficiência, comparando-os a um sistema estático. Foram instalados três módulos fotovoltaicos em Cascavel-PR, simulando os arranjos avaliados; um sistem...
Change in injection angle as alternative for diesel engine fueled with biodiese...
Paiva, Paulo Henrique; Gurgacz, Flavio; Gralick, Jonas; Bassegio, Doglas; Souza, Samuel Nelson Melegari de; Secco, DeonirBiodiesel properties have a significant impact on engine performance. The disadvantages of biodiesel include poor atomization. To overcome this problem, engine parameters such as the injection angle can be changed. The objective of this study was to evaluate the effect of changes in the injection angle of an injector pump on the performance of a diesel engine fueled with various biodiesel blends. The experiment...
Exergy analysis of an anaerobic digestion plant fed with dairy cattle waste
Vaz, Victor; Bissani, Fabiane Mariah; Silva, Eric Valero Carvalho da; Souza, Samuel Nelson Melegari de; Bissani, Bruna; Souza, Juliano deIn order to integrate different processes for the reuse of agricultural waste, the production of biogas and biofertilizer, produced by anaerobic digestion, are essential for the sustainable development and diversification of the Brazilian energy matrix. As the analysis of the thermodynamic performance of these systems is scarce in the literature, this work aimed to associate the physicochemical parameters of da...
Polycyclic aromatic hydrocarbons (PHAs) in maize grains subjected to drying wit...
Branco, Telvi Marcelo; Souza, Samuel Nelson Melegari de; Kolling, Evandro Marcos; Siqueira, Jair Antonio Cruz; Tokura, Luciene KazueBurning any organic material can generate chemical compounds called PHA's, which has carcinogenic and mutagenic potential. This fact is especially important in the drying processes of agricultural products that are directly or indirectly used in food or feed. In order to verify the potential risk of contamination by PHA's, and of new equipment linked to the operation of drying agricultural products, the study e...
Method for estimating the wind power micro and minigeneration applied to a city...
Guicho, Ricardo; Ferreira, José Hilário Delconte; Medeiros, Gabriela; Siqueira, Jair Antônio Cruz; Souza, Samuel Nelson Melegari de; Prior, MaritaneThe search for renewable resources has become necessary for sustainable development. Wind energy is a clean energy source and of global importance, but most studies refer to high altitude and are carried out by researchers in developed countries. In this work, the objective was to evaluate the potential of micro and mini-generation (low heights) wind power in Cascavel-PR, a city located in southern Brazil, as a...
Evaluation of broiler dark house illumination systems, with and without thermal...
Pan, Karison Ferreira; Siqueira, Jair Antonio Cruz; Souza, Samuel Nelson Melegari de; Tokura, Luciene Kazue; Nogueira, Carlos Eduardo CamargoIn the breeding of broiler house, the proper use of lighting systems has great influence on the welfare and the productivity of the birds. The objective was to evaluate two artificial lighting systems used in broiler house in terms of the allocative efficiency of luminance. One of the broiler house was closed with black raffia bag (dark house), without thermal insulation (NTI) and its lighting was composed of i...
Soil physical properties and maize grain yield after cover Crops
Castro, Mayra Beatriz Semiano; Secco, Deonir; Marins, Araceli Ciotti de; Bassegio, Doglas; Souza, Samuel Nelson Melegari de; Zanão Junior , Luiz AntonioStudies involving cover crops in areas managed under no-tillage system are of great scientific relevance to seek the sustainability of agricultural crops. This study aimed to evaluate the impact of the use of cover crops on the structure of a clayey Oxisol under no-tillage system and its effect on corn yield. The treatments consisted of the use of six cover species: millet (Pennisetum glaucum), dwarf pigeon pea...
Electricity generation using biogas: study of feasibility in sewage treatment s...
Moraes, Karl Haruo Kimura de; Souza, Samuel Nelson Melegari deThe distributed generation of electricity produced from organic waste is an alternative that requires careful analysis, due to the numerous economic and environmental factors associated with this production process. Considering every human activity consumes natural resources and in the end it results in tailings, urban sewage has aspects which classify it as a waste of high polluting power, and its treatment is...
Biogas production by the anaerobic digestion of whey
Antonelli, Jhonatas; Lindino, Cleber Antonio; Azevedo, Júlio César Rodrigues de; Souza, Samuel Nelson Melegari de; Cremonez, Paulo André; Rossi, EduardoDigestion is an attractive alternative in the treatment of waste generated in the agricultural industry, as it treats waste and also produces biogas that can be used in power generation, resulting in both environmental and economic benefits. This study presents the results of anaerobic digestion of cheese whey using swine wastewater as inoculum. Digestion was performed using sequencing batch bioreactors with a ...
Analysis of lubricant oil contamination and degradation and wear of a biogas-fe...
Bertinatto, Rovian; Friedrich, Leandro; Bariccatti, Reinaldo Aparecido; Souza, Samuel Nelson Melegari de; Gurgacz, Flavio; Pazuch, Felix AugustoThe increasing deployment of biodigesters for the treatment of waste on farms and the use of the biogas generated in the production of energy have highlighted the need for knowing the influence of this fuel on internal combustion engines. This study aimed to analyze the influence of filtrated biogas on lubricant oil contamination and degradation, as well as on engine wear and corrosion. Lubricant oil samples we...