Zobrazeno 1 - 10
of 239
pro vyhledávání: '"David Vera"'
Autor:
Raúl Cabrera-Escobar, David Vera, José Cabrera-Escobar, María Magdalena Paredes Godoy, Diego Cajamarca Carrazco, Edwin Roberto Zumba Llango, Francisco Jurado
Publikováno v:
Clean Technologies, Vol 6, Iss 2, Pp 767-783 (2024)
This research focuses on the development and simulation analysis of heat-dissipating fins made of copper, integrated into photovoltaic panels, with the aim of mitigating temperature increases during operation. This initiative arises from evidence tha
Externí odkaz:
https://doaj.org/article/b20877a8c1ea4a85bd72fe7c88a13a03
Autor:
Raúl Cabrera-Escobar, José Cabrera-Escobar, David Vera, Francisco Jurado, Lenin Orozco-Cantos, Manolo Córdova-Suárez, Félix García-Mora
Publikováno v:
Energies, Vol 17, Iss 21, p 5511 (2024)
In this research, the design and simulation of a heat sink for photovoltaic panels were carried out using aluminum and copper, the most commonly used materials in heat dissipation systems. This heat sink consisted of fins that were tested both perfor
Externí odkaz:
https://doaj.org/article/f88c62aea2e14e1f97a6623a8b635a4a
Autor:
Hend Dakhel Alhassany, Safaa Malik Abbas, Marcos Tostado-Véliz, David Vera, Salah Kamel, Francisco Jurado
Publikováno v:
Energies, Vol 17, Iss 19, p 4817 (2024)
In the original publication [...]
Externí odkaz:
https://doaj.org/article/d025d9f4756a4e9895b9c19bccf93238
Publikováno v:
Journal of Ocean Engineering and Science, Vol 8, Iss 5, Pp 533-545 (2023)
Ocean thermal energy conversion (OTEC) is a renewable energy source that uses differences in ocean water temperature between warm surface and cold depth to generate electricity. It is an essential link in the carbon neutrality chain and one of the ri
Externí odkaz:
https://doaj.org/article/7b3b957d05a048df936412db9319b9df
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3502 (2024)
Most e-voting schemes make use of central servers. Users are obliged to trust these servers, which represent a vulnerability of the scheme. In the last few years, a very small group of schemes has been published that overcomes this handicap by using
Externí odkaz:
https://doaj.org/article/77ac8df07324406e84d25093d2034930
Autor:
Gil Kim, David Vera
Publikováno v:
Journal of Applied Economics, Vol 25, Iss 1, Pp 856-877 (2022)
Following the exisiting literature, we present the most up-to-date estimates of oil shocks and the response of the U.S. economy. Regardless of model specifications, oil supply shocks have a negative effect on the U.S. real GDP, albeit the magnitude o
Externí odkaz:
https://doaj.org/article/dc07a35ca01d482c9dd0796e813049fa
Publikováno v:
Applied Sciences, Vol 14, Iss 3, p 966 (2024)
Mixnets are an instrument to achieve anonymity. They are generally a sequence of servers that apply a cryptographic process and a permutation to a batch of user messages. Most use asymmetric cryptography, with the high computational cost that this en
Externí odkaz:
https://doaj.org/article/45b19f5c32c54b4ea4209f1f1ffeff84
Publikováno v:
Revista de la Facultad de Medicina Humana, Vol 22, Iss 1, Pp 147-153 (2021)
Introduction. Chronic non-communicable diseases (NCDs) are the main cause of death in Ecuador and the world, and within them diabetes mellitus is one of the fastest growing morbidity and mortality. Objective. To determine if there are differences bet
Externí odkaz:
https://doaj.org/article/1b973e379f8a4c3ab3e9a020390946cb
Publikováno v:
International Journal of Sustainable Energy, Vol 40, Iss 10, Pp 1002-1026 (2021)
This work is focused on the energy recovery potential of olive-oil industry wastes in the region of Tizi Ouzou (north of Algeria). A theoretical modelling and simulation study of a small-scale CHP plant fuelled with olive pomace and olive tree prunin
Externí odkaz:
https://doaj.org/article/de8d782ce8104d8f900dbda3b1e069ef
Publikováno v:
Agriculture, Vol 13, Iss 6, p 1192 (2023)
The global warming fight should focus on agriculture, especially on olive crops, due to their potential role in combating it. One of the leading olive oil-producing countries is Turkey; therefore, evaluating and quantifying the environmental impacts
Externí odkaz:
https://doaj.org/article/43efb682778b4a67b200e71f87970bf4