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Journal Articles

Enhancing Gas Turbine Power Plant Performance in Tropical Climates by Using Inlet Air Cooling With Desiccant Dehumidification and Evaporative Cooling

Mateo E. Sánchez Cabarcas, Jose A. Bedoya Villegas, Álvaro D. Sierra Aragón, Imanol Rodríguez Roldán, Daniel A. Álvarez Silva, Jaime Mesa, Antonio Bula, Arturo Gonzalez-Quiroga
Journal: Journal of Thermal Science and Engineering Applications
Publisher: ASME
Article Type: Research Papers
J. Thermal Sci. Eng. Appl. January 2024, 16(1): 011006.
Paper No: TSEA-23-1281
https://doi.org/10.1115/1.4063679
Published Online: October 31, 2023
View Article titled, Enhancing Gas Turbine Power Plant Performance in Tropical Climates by Using Inlet Air Cooling With Desiccant Dehumidification and Evaporative Cooling
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Topics: Climate, Compressors, Cooling, Dehumidification, Evaporative cooling, Gas turbines, Information Analysis Centers, Power stations, Temperature, Wheels
Journal Articles

Experimental and Theoretical Analysis of the Goswami Cycle Operating at Low Temperature Heat Sources

Gokmen Demirkaya, Ricardo Vasquez Padilla, Armando Fontalvo, Antonio Bula, D. Yogi Goswami
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. July 2018, 140(7): 072005.
Paper No: JERT-17-1235
https://doi.org/10.1115/1.4039376
Published Online: March 15, 2018
View Article titled, Experimental and Theoretical Analysis of the Goswami Cycle Operating at Low Temperature Heat Sources
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Topics: Boilers, Cooling, Cycles, Heat, Pressure, Temperature, Vapors, Exergy, Flow (Dynamics), Water
Proceedings Papers

Development of a Predictive Model for the Mass Transfer on the Paddy Rice (Oryza Sativa) Tower Drying Operation at Industrial Scale

Andrés Aldana, Diego Guillen, Antonio Bula, Marco Sanjuan
Proc. ASME. IMECE2017, Volume 8: Heat Transfer and Thermal Engineering, V008T10A059, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71600
https://doi.org/10.1115/IMECE2017-71600
View Paper titled, Development of a Predictive Model for the Mass Transfer on the Paddy Rice (Oryza Sativa) Tower Drying Operation at Industrial Scale
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Topics: Drying, Mass transfer, Water, Density, Milling, Process control, Temperature, Temperature gradient
Journal Articles

Characteristics of Auto-Ignition in Internal Combustion Engines Operated With Gaseous Fuels of Variable Methane Number

German Amador, Jorge Duarte Forero, Adriana Rincon, Armando Fontalvo, Antonio Bula, Ricardo Vasquez Padilla, Wilman Orozco
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. July 2017, 139(4): 042205.
Paper No: JERT-16-1066
https://doi.org/10.1115/1.4036044
Published Online: March 16, 2017
View Article titled, Characteristics of Auto-Ignition in Internal Combustion Engines Operated With Gaseous Fuels of Variable Methane Number
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Topics: Combustion, Engines, Fuels, Ignition, Internal combustion engines, Methane, Pressure, Gaseous fuels, Compression, Combustion chambers
Proceedings Papers

Estimation of the Surface Temperature of a Photovoltaic Panel Through a Radiation-Natural Convection Heat Transfer Model in Matlab Simulink

Mario A. Palacio Vega, Orlando M. González López, Arnold R. Martínez Guarín, Rafael D. Gómez Vásquez, Antonio Bula, Jorge M. Mendoza Fandiño
Proc. ASME. IMECE2016, Volume 8: Heat Transfer and Thermal Engineering, V008T10A057, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66769
https://doi.org/10.1115/IMECE2016-66769
View Paper titled, Estimation of the Surface Temperature of a Photovoltaic Panel Through a Radiation-Natural Convection Heat Transfer Model in Matlab Simulink
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Topics: Convection, Matlab, Radiation (Physics), Temperature, Natural convection, Irradiation (Radiation exposure), Heat transfer, Photovoltaic cells, Solar energy, Actinometers
Journal Articles

Maximum Power From Fluid Flow by Applying the First and Second Laws of Thermodynamics

German Amador Diaz, Jorge Duarte Forero, Jesus Garcia, Adriana Rincon, Armando Fontalvo, Antonio Bula, Ricardo Vasquez Padilla
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. May 2017, 139(3): 032903.
Paper No: JERT-16-1067
https://doi.org/10.1115/1.4035021
Published Online: November 16, 2016
View Article titled, Maximum Power From Fluid Flow by Applying the First and Second Laws of Thermodynamics
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Topics: Cylinders, Flow (Dynamics), Fluid dynamics, Friction, Pistons, Pressure, Pressure drop, Reservoirs, Turbines, Fluids
Journal Articles

Auto-Ignition Control in Spark-Ignition Engines Using Internal Model Control Structure

Jorge Duarte, Jesús Garcia, Javier Jiménez, Marco E. Sanjuan, Antonio Bula, Jorge González
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2017, 139(2): 022201.
Paper No: JERT-16-1089
https://doi.org/10.1115/1.4034026
Published Online: July 12, 2016
View Article titled, Auto-Ignition Control in Spark-Ignition Engines Using Internal Model Control Structure
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Topics: Engines, Fuels, Ignition, Internal combustion engines, Pressure, Temperature, Combustion chambers, Spark-ignition engine, Feedforward control, Control equipment
Proceedings Papers

Chemical Equilibrium Model for Fixed-Bed Gasification to Assess Biomass Energy Content

Arnaldo Verdeza, Luz Ahumada, Antonio Bula
Proc. ASME. IMECE2015, Volume 6A: Energy, V06AT07A019, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-53129
https://doi.org/10.1115/IMECE2015-53129
View Paper titled, Chemical Equilibrium Model for Fixed-Bed Gasification to Assess Biomass Energy Content
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Topics: Biomass, Equilibrium (Physics), Fuel gasification, Case studies, Tar, Coal, Combustion, Gaseous fuels, Heat, Shells
Proceedings Papers

Reduced Model for a Thermal Analysis of a Flat Plate Solar Collector With Thermal Energy Storage Using Phase Change Material (PCM)

Mauricio Carmona, Gabriel Caicedo, Humberto Gómez Vega, Antonio Bula
Proc. ASME. IMECE2015, Volume 6B: Energy, V06BT07A052, November 13–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2015-51865
https://doi.org/10.1115/IMECE2015-51865
View Paper titled, Reduced Model for a Thermal Analysis of a Flat Plate Solar Collector With Thermal Energy Storage Using Phase Change Material (PCM)
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Topics: Flat plates, Phase change materials, Solar collectors, Thermal analysis, Thermal energy storage, Design, Heat, Temperature, Solar energy, Water
Proceedings Papers

Energy Integration Methodology for the Dairy Industry Through the Implementation of a Cogeneration System Assessed by Pinch Technology

Wilman Orozco L., Antonio Bula S., Fabio Bermejo A.
Proc. ASME. ES2015, Volume 1: Advances in Solar Buildings and Conservation; Climate Control and the Environment; Alternate Fuels and Infrastructure; ARPA-E; Combined Energy Cycles, CHP, CCHP, and Smart Grids; Concentrating Solar Power; Economic, Environmental, and Policy Aspects of Alternate Energy; Geothermal Energy, Harvesting, Ocean Energy and Other Emerging Technologies; Hydrogen Energy Technologies; Low/Zero Emission Power Plants and Carbon Sequestration; Micro and Nano Technology Applications and Materials, V001T04A001, June 28–July 2, 2015
Publisher: American Society of Mechanical Engineers
Paper No: ES2015-49045
https://doi.org/10.1115/ES2015-49045
View Paper titled, Energy Integration Methodology for the Dairy Industry Through the Implementation of a Cogeneration System Assessed by Pinch Technology
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Topics: Combined heat and power, Pinch effect, Appropriate technology, Design, Energy consumption, Energy efficiency, Energy resources, Heat, Heat exchangers, Natural gas
Proceedings Papers

Characterization of the Thermal Behavior of the Materials Commonly Used in Colombia for the Construction of Building Envelopes

Eduardo Vélez, Fabián Amaya, Antonio Olmos, Raúl Pérez, Antonio Bula, Marco Sanjuan
Proc. ASME. ES2014, Volume 2: Economic, Environmental, and Policy Aspects of Alternate Energy; Fuels and Infrastructure, Biofuels and Energy Storage; High Performance Buildings; Solar Buildings, Including Solar Climate Control/Heating/Cooling; Sustainable Cities and Communities, Including Transportation; Thermofluid Analysis of Energy Systems, Including Exergy and Thermoeconomics, V002T06A001, June 30–July 2, 2014
Publisher: American Society of Mechanical Engineers
Paper No: ES2014-6312
https://doi.org/10.1115/ES2014-6312
View Paper titled, Characterization of the Thermal Behavior of the Materials Commonly Used in Colombia for the Construction of Building Envelopes
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Topics: Construction, Building materials, Green buildings, Design, Thermal properties, Air conditioning, Energy efficiency, Refrigeration, Structures, Thermal systems
Proceedings Papers

VAV System Operating in an Educational Building Under Tropical Conditions: Modeling and Simulation

Oscar Alvarez, Marco Sanjuan, Fabian Amaya, Antonio Bula
Proc. ASME. IMECE2013, Volume 11: Emerging Technologies, V011T06A023, November 15–21, 2013
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2013-63557
https://doi.org/10.1115/IMECE2013-63557
View Paper titled, VAV System Operating in an Educational Building Under Tropical Conditions: Modeling and Simulation
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Topics: Climate, Computer software, Energy consumption, Errors, Modeling, Simulation, Transients (Dynamics)
Proceedings Papers

VAV System Operating in an Educational Building Under Tropical Conditions: Energy Analysis

Oscar Alvarez, Marco Sanjuan, Fabian Amaya, Antonio Bula
Proc. ASME. ES2013, ASME 2013 7th International Conference on Energy Sustainability, V001T14A002, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: ES2013-18146
https://doi.org/10.1115/ES2013-18146
View Paper titled, VAV System Operating in an Educational Building Under Tropical Conditions: Energy Analysis
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Topics: Air conditioning, Climate, Cooling towers, Energy consumption, Flow (Dynamics), Pumps, Simulation, Ventilation
Proceedings Papers

Off Set Strip Fins Thermo Hydraulic Performance Analysis Through CFD Simulation

Guisselle Polo, Antonio Bula
Proc. ASME. HT2013, Volume 4: Heat and Mass Transfer Under Extreme Conditions; Environmental Heat Transfer; Computational Heat Transfer; Visualization of Heat Transfer; Heat Transfer Education and Future Directions in Heat Transfer; Nuclear Energy, V004T14A017, July 14–19, 2013
Publisher: American Society of Mechanical Engineers
Paper No: HT2013-17435
https://doi.org/10.1115/HT2013-17435
View Paper titled, Off Set Strip Fins Thermo Hydraulic Performance Analysis Through CFD Simulation
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Topics: Computational fluid dynamics, Fins, Simulation, Strips
Proceedings Papers

CFD Simulation of Multiphase Flow in an Airlift Column Photobioreactor for the Cultivation of Microalgae

Samira García, Edgardo Paternina, Oscar R. Pupo, Antonio Bula, Francisco Acuña
Proc. ASME. ES2012, ASME 2012 6th International Conference on Energy Sustainability, Parts A and B, 1253-1262, July 23–26, 2012
Publisher: American Society of Mechanical Engineers
Paper No: ES2012-91297
https://doi.org/10.1115/ES2012-91297
View Paper titled, CFD Simulation of Multiphase Flow in an Airlift Column Photobioreactor for the Cultivation of Microalgae
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Topics: Computational fluid dynamics, Multiphase flow, Simulation, Bubbles, Air flow, Computers, Design, Flow (Dynamics), Fluid dynamics, Fluids
Journal Articles

Comparison of Two Different Vertical Column Photobioreactors for the Cultivation of Nannochloropsis sp.

Oscar Pupo Roncallo, Samira García Freites, Edgardo Paternina Castillo, Antonio Bula Silvera, Adriana Cortina, Francisco Acuña
Journal: Journal of Energy Resources Technology
Publisher: ASME
Article Type: Research-Article
J. Energy Resour. Technol. March 2013, 135(1): 011201.
Paper No: JERT-12-1082
https://doi.org/10.1115/1.4007689
Published Online: November 6, 2012
View Article titled, Comparison of Two Different Vertical Column Photobioreactors for the Cultivation of Nannochloropsis sp.
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Topics: Bubbles, Flow (Dynamics), Water, Computational fluid dynamics
Proceedings Papers

Conceptual Design of Photobioreactor for Algae Cultivation

Oscar R. Pupo, Samira Garci´a, Guillermo Valencia, Antonio Bula
Proc. ASME. IMECE2011, Volume 4: Energy Systems Analysis, Thermodynamics and Sustainability; Combustion Science and Engineering; Nanoengineering for Energy, Parts A and B, 197-202, November 11–17, 2011
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2011-64484
https://doi.org/10.1115/IMECE2011-64484
View Paper titled, Conceptual Design of Photobioreactor for Algae Cultivation
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Topics: Biodiesel, Carbon dioxide, Conceptual design, Mass transfer
Proceedings Papers

Thermodynamic Characterization and Dynamic Simulation of a Micro Algae Air Lift Photobioreactor

Adrian Avila, Antonio Bula, Rafael Go´mez, Jorge Mendoza, Arnaldo Verdeza
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 1167-1173, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54662
https://doi.org/10.1115/ES2011-54662
View Paper titled, Thermodynamic Characterization and Dynamic Simulation of a Micro Algae Air Lift Photobioreactor
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Topics: Biofuel, Control equipment, Simulation, Temperature, Biomass, Carbon dioxide, Oxygen, Systems analysis, Water
Proceedings Papers

Analysis and Energy Optimization for Biomethanol Production Using Palm Oil Biomass Residues

Rafael Go´mez, Lesme Corredor, Adrian A´vila, Jorge Mendoza, Antonio Bula
Proc. ASME. ES2011, ASME 2011 5th International Conference on Energy Sustainability, Parts A, B, and C, 1175-1182, August 7–10, 2011
Publisher: American Society of Mechanical Engineers
Paper No: ES2011-54663
https://doi.org/10.1115/ES2011-54663
View Paper titled, Analysis and Energy Optimization for Biomethanol Production Using Palm Oil Biomass Residues
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Topics: Biomass, Methanol, Optimization, Approximation, Biodiesel, Crude oil, Cutting, Economics , Fibers, Fuel gasification
Proceedings Papers

Modeling and Simulation of Syngas Produced From Biomass Gasification Enriched With Solar Hydrogen

Gabriel Cujia, Antonio Bula, Alberto Mercado, Jorge Mendoza
Proc. ASME. ES2009, ASME 2009 3rd International Conference on Energy Sustainability, Volume 1, 97-103, July 19–23, 2009
Publisher: American Society of Mechanical Engineers
Paper No: ES2009-90056
https://doi.org/10.1115/ES2009-90056
View Paper titled, Modeling and Simulation of Syngas Produced From Biomass Gasification Enriched With Solar Hydrogen
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Topics: Biomass, Fuel gasification, Hydrogen, Modeling, Simulation, Solar energy, Syngas