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Fredy Vélez
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A technical, economical and market review of organic Rankine cycles for the conversion of low-grade heat for power generation
F Vélez, JJ Segovia, MC Martín, G Antolín, F Chejne, A Quijano
Renewable and Sustainable Energy Reviews 16 (6), 4175-4189, 2012
7002012
Co-gasification of Colombian coal and biomass in fluidized bed: An experimental study
JF Vélez, F Chejne, CF Valdés, EJ Emery, CA Londoño
Fuel 88 (3), 424-430, 2009
2352009
Low temperature heat source for power generation: Exhaustive analysis of a carbon dioxide transcritical power cycle
F Vélez, J Segovia, F Chejne, G Antolín, A Quijano, MC Martín
Energy 36 (9), 5497-5507, 2011
842011
Theoretical analysis of a transcritical power cycle for power generation from waste energy at low temperature heat source
F Vélez, F Chejne, G Antolin, A Quijano
Energy Conversion and Management 60, 188-195, 2012
722012
How to achieve positive energy districts for sustainable cities: A proposed calculation methodology
A Gabaldón Moreno, F Vélez, B Alpagut, P Hernández, ...
Sustainability 13 (2), 710, 2021
632021
Comparative study of working fluids for a Rankine cycle operating at low temperature
F Vélez, JJ Segovia, MC Martín, G Antolín, F Chejne, A Quijano
Fuel Processing Technology 103, 71-77, 2012
592012
Thermodynamic analysis of R134a in an Organic Rankine Cycle for power generation from low temperature sources
F Vélez, F Chejne, A Quijano
Dyna 81 (185), 153-159, 2014
332014
Selecting working fluids in an organic Rankine cycle for power generation from low temperature heat sources
F Vélez
Dyna 81 (188), 173-180, 2014
192014
Evaluation of the performance of a solar photovoltaic-Biomass gasifier system as electricity supplier
RJ Macías, C Ceballos, J Ordonez-Loza, M Ortiz, CA Gómez, F Chejne, ...
Energy 260, 125046, 2022
112022
Cities transformation through Positive Energy Districts: MAKING-CITY project
F Vélez, C de Torre Minguela, C Sanz
Ibero-American Congress of Smart Cities (ISCS_CITIES 2019), 2019
32019
Tecnología ORC como potenciador de las energías no convencionales en zonas no interconectadas y aumento de la eficiencia energética en la industria
F Vélez, G Antolín, JJ Segovia, F Chejne
1st World Congress & Exhibition Engineering [Proceedings], 2010
32010
Effects of connection of electrical and mechanical potentials in inverse osmosis processes
F Cortés, F Chejne, D Chejne, F Vélez, C Londoño
Energy conversion and management 50 (7), 1841-1846, 2009
22009
Operación óptima de desalación de agua por ósmosis inversa
F Cortés, D Chejne, F Vélez, F Chejne
Ingeniería Química 39 (448), 202-219, 2007
22007
Strategies for the Energy Retrofitting of Social Housing Throughout Europe
O Eguiarte-Fernández, A Garrido-Marijuán, P de Agustín-Camacho, ...
DYNA: Ingeniería e Industria 94 (6), 605-609, 2019
12019
Recuperación de Energía en procesos industriales
FC Janna, JD Alean Valle, CA Gómez Gutiérrez, OD López Gómez, ...
Universidad Nacional de Colombia, 2015
12015
Challenges and opportunities in European smart buildings energy management: A critical review
JL Hernández, I de Miguel, F Vélez, A Vasallo
Renewable and Sustainable Energy Reviews 199, 114472, 2024
2024
Densities and isobaric heat capacities at high pressures of aqueous solutions of 2-diethylaminoethanol (DEAE) or 2-ethylaminoethanol (EAE) for CO2 capture
Y Pérez-Milian, A Moreau, JD Arroyave, F Vélez, X Paredes, ...
Journal of Molecular Liquids 404, 124851, 2024
2024
Effect of the oil content on green hydrogen production from produced water using carbon quantum dots as a disruptive nanolectrolyte
EH Ríos, JD Guzmán, R Ribadeneira, E Bailón-García, ER Acevedo, ...
International Journal of Hydrogen Energy, 2024
2024
Speed of sound measurements in (carbon monoxide+ ethane) and (carbon monoxide+ propane) gas mixtures at T=(260 to 350) K and up to 12 MPa
JJ Segovia, MC Martín, X Paredes, A Rojo, F Vélez, D Vega-Maza
The Journal of Chemical Thermodynamics 192, 107260, 2024
2024
Estudio termodinámico del aprovechamiento energético de fuentes de energía de baja temperatura mediante un ciclo Rankine con fluidos de trabajo orgánicos (ORC)
F Vélez
Universidad de Valladolid, 2011
2011
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Articles 1–20