Zobrazeno 1 - 10
of 175
pro vyhledávání: '"Juan Carlos Colmenares"'
Autor:
Ramón Fernando Colmenares-Quintero, Marieth Baquero-Almazo, Damian Kasperczyk, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Cleaner Engineering and Technology, Vol 21, Iss , Pp 100783- (2024)
This study presents a conceptual design of an Internet of Things (IoT) communication system for monitoring power generation systems in Colombian Non-Interconnected Zones (NIZs), which lack IoT connectivity due to complex geographical factors. The pro
Externí odkaz:
https://doaj.org/article/8f73534df923455ea24b83b42e562b98
Autor:
Abdul Qayyum, Dimitrios A. Giannakoudakis, Dariusz Łomot, Ramón Fernando Colmenares-Quintero, Kostiantyn Nikiforow, Alec P. LaGrow, Juan Carlos Colmenares
Publikováno v:
Ultrasonics Sonochemistry, Vol 104, Iss , Pp 106829- (2024)
Catalytic conversion of lignin to value-added aromatic compounds is still an open challenge, since the selective cleavage of the linkages interconnecting the aromatic molecules, especially the β-O-4 ones, is not efficiently achieved yet. Herein, nov
Externí odkaz:
https://doaj.org/article/c0a302ecc59c40959c72f377a4b3934d
Autor:
Ramón Fernando Colmenares-Quintero, Diana Milena Caicedo-Concha, Natalia Rojas, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Cogent Engineering, Vol 10, Iss 1 (2023)
AbstractThe rapid depletion of fossil fuel reserves, population growth, and increasing environmental pollution have forced a change in the search for alternatives to produce and use energy. Currently, renewable energies (RE) have achieved more effici
Externí odkaz:
https://doaj.org/article/df36c371c9094743a48ad1df83a34f88
Autor:
Abdul Qayyum, Dimitrios A. Giannakoudakis, Dariusz Łomot, Ramón Fernando Colmenares-Quintero, Alec P. LaGrow, Kostiantyn Nikiforow, Dmytro Lisovytskiy, Juan Carlos Colmenares
Publikováno v:
Ultrasonics Sonochemistry, Vol 94, Iss , Pp 106306- (2023)
The research for “green” and economically feasible approaches such as (photo)catalysis especially for biomass valorization such as selective oxidation of biomass derived compounds like aromatic alcohols to corresponding aldehyde by avoiding the h
Externí odkaz:
https://doaj.org/article/402eaea1df4e448cbec7d11876a10a57
Autor:
Abdul Qayyum, Dimitrios A. Giannakoudakis, Alec P. LaGrow, Oleksandr Bondarchuk, Dariusz Łomot, Juan Carlos Colmenares
Publikováno v:
Catalysis Communications, Vol 163, Iss , Pp 106406- (2022)
The designing and synthesis of novel photocatalysts are the most important parts, with TiO2-based materials to be consider as prosperous candidates for the selective photo-oxidation of aromatic alcohol. Herein, we established an ultrasound-assisted (
Externí odkaz:
https://doaj.org/article/ce0237df2bd74c42be08296e15a848f2
Autor:
Swaraj Rashmi Pradhan, Marta Paszkiewicz-Gawron, Dariusz Łomot, Dmytro Lisovytskiy, Juan Carlos Colmenares
Publikováno v:
Molecules, Vol 27, Iss 24, p 8731 (2022)
The challenge of improving the activity of TiO2 by modifying it with metals and using it for targeted applications in microreactor environments is an active area of research. Recently, microreactors have emerged as successful candidates for many phot
Externí odkaz:
https://doaj.org/article/2c8b8224aa554cc2a06fc730041f0f23
Autor:
Ramón Fernando Colmenares-Quintero, Gina Maestre-Gongora, Marieth Baquero-Almazo, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Energies, Vol 15, Iss 20, p 7644 (2022)
Energy determines the social, economic, and environmental aspects that enable the advancement of communities. For this reason, this paper aims to analyze the quality of the energy service in the Non-Interconnected Zones (NIZ) of Colombia. For this pu
Externí odkaz:
https://doaj.org/article/6c71fecacb164601a25cca32d38de07b
Autor:
Ramón Fernando Colmenares-Quintero, Oscar Camilo Valderrama-Riveros, Fernando Macho-Hernantes, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Cogent Engineering, Vol 8, Iss 1 (2021)
The implementation of renewable energy is a necessity nowadays and like any other technology involves challenges and opportunities to achieve. The main objective of our projects in an off-grid vulnerable community in Colombia is to design a smart gri
Externí odkaz:
https://doaj.org/article/277dae0c6b4d408480e370aee38b1cd5
Autor:
Ramón Fernando Colmenares-Quintero, Eyberth R. Rojas-Martinez, Fernando Macho-Hernantes, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Cogent Engineering, Vol 8, Iss 1 (2021)
This article presents a methodology for automatic fault detection in photovoltaic arrays. Due to the great importance in the construction of increasingly robust photovoltaic plants, automatic fault detection has become a necessary tool to extend the
Externí odkaz:
https://doaj.org/article/655a6263090b42fbba5e6477feb56417
Autor:
Ramón Fernando Colmenares-Quintero, Luis Fernando Latorre-Noguera, Natalia Rojas, Karl Kolmsee, Kim E. Stansfield, Juan Carlos Colmenares-Quintero
Publikováno v:
Cogent Engineering, Vol 8, Iss 1 (2021)
This study seeks to analyze different energy solutions for the Kanalitojo Indigenous Community that is located 25 kilometers from the municipal seat of the municipality of Puerto Carreño, in the State of Vichada, eastern Colombia. For the developmen
Externí odkaz:
https://doaj.org/article/7faafe0226d14c4dbb118ad7b4186980