Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Cristiana Brasil Maia"'
Evaluation of solar photovoltaics on university buildings: A case study toward campus sustainability
Autor:
Antônia Sônia Alves Cardoso Diniz, Gisele Mol da Silva, Raphaela E. Alves Nunes, Vinícius Augusto Camatta Santana, Daniel Sena Braga, Cristiana Brasil Maia
Publikováno v:
Solar Compass, Vol 12, Iss , Pp 100100- (2024)
Renewable energy leads Brazil's energy mix at about 82 % of its total, with solar photovoltaics (PV) now the second largest contribution to the electric power sector. The country's target to eliminate carbon emissions provides a significant role for
Externí odkaz:
https://doaj.org/article/ee95592f72aa40a8a4440af6cb94df7c
Autor:
Vinícius Guerra Moreira, Sérgio de Morais Hanriot, Tales Nazareno, Bruno Eustáquio Pires Ferreira, Rafael Motter Juliatti, Hairton Júnior José da Silveira, Cristiana Brasil Maia
Publikováno v:
Energies, Vol 17, Iss 23, p 6187 (2024)
This work presents an experimental study of the performance and emissions of an internal combustion engine operating in the Otto cycle with a high volumetric compression ratio (17:1). The engine was initially fueled with the standard ethanol used in
Externí odkaz:
https://doaj.org/article/1b5f9b9cf76d4b9fa6c48871df98418e
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2697 (2024)
This paper describes the numerical modeling and simulation of the wind effects on an ore reclaimer structure using analytical and numerical methods. The physical model is a large machine with a height of 34 m and a width of 77 m, and due to its compl
Externí odkaz:
https://doaj.org/article/f38f00ef7a854a478c228dbb0561a156
Publikováno v:
Acta Polytechnica, Vol 60, Iss 3, Pp 225-234 (2020)
An optimization study to maximize the exergy efficiency of a small-scale solar chimney was carried out. Optimization variables include collector diameter (Dc), collector height (Hc), tower height (Ht), and tower diameter (Dt). Models from the literat
Externí odkaz:
https://doaj.org/article/e30cb2d19d194a14a79d94fd60ca07fc
Autor:
Wagner Henrique Saldanha, Felipe Raul Ponce Arrieta, Thiago Melo Machado-Coelho, Emanuel Diniz dos Santos, Cristiana Brasil Maia, Petr Iakovlevitch Ekel, Gustavo Luís Soares
Publikováno v:
Case Studies in Thermal Engineering, Vol 17, Iss , Pp - (2020)
The results of the present work are directed at solving the shell-and-tube heat exchanger design optimization problem on the basis of a multiobjective approach by applying Evolutionary Algorithms. The considered objective functions are associated wit
Externí odkaz:
https://doaj.org/article/a556e89381714993a06a87ec547d44ce
Autor:
Cristiana Brasil Maia, Lucas Rodrigues Neumann, Gabriela de Andrade Oliveira, Ígor Marques Alves, Magdalena Marta Walczak, Pedro Paiva Brito
Publikováno v:
International Journal of Ambient Energy. :1-15
Publikováno v:
Renewable Energy. 186:35-50
Publikováno v:
Sustainability; Volume 14; Issue 22; Pages: 15208
Solar chimneys are devices that use solar energy to generate a hot airflow that can be used for power production, the drying of agricultural products, and/or water desalination. The performance of a small-scale solar chimney is studied numerically. T
Autor:
André Guimarães Ferreira, Cristiana Brasil Maia, Gisele Mol da Silva, Rogério Morouço Coutinho
Publikováno v:
Renewable Energy. 163:1942-1950
A mixed cabin solar dryer was designed and tested in Brazil in the spring equinox, for the drying of corn grains. The key advantage of the current design is its ability to work even in locations with no electricity because a photovoltaic module is us
Autor:
Luiz Felippe Guardia Bianchi, Cristiana Brasil Maia, André Guimarães Ferreira, Gisele Mol da Silva
Publikováno v:
AIMS Energy. 9:1136-1146
This paper presents a hybrid solar dryer with baffles disposed of on the solar collector. When the levels of solar radiation are low, an electrical heater is used to increase the drying air temperature. A photovoltaic system feeds the electrical heat