|March 2016 ‐ Present||Senior Lecturer, Southern Cross University ‐ School of Environment, Science and Engineering|
|March 2014 ‐ March 2016||Postdoc Research Fellow, Commonwealth Scientific and Industrial Research Organisation ‐ CSIRO Energy Centre|
|June 2011 ‐ February 2014||Assistant Professor, Universidad del Norte - Colombia|
|August 2006 ‐ May 2011||Research Assistant, University of South Florida ‐ Clean Energy Research Center|
Honors and Awards
- Silver Medal for best GPA in Mechanical Engineering Department, Universidad del Norte, 2001
- Young Researcher, COLCIENCIAS, 2001-2002
- Best Dissertation and Summa cum Laude Master in Mechanical Engineering, Universidad del Norte, 2004
- Best Student Paper Award, Advanced Energy Systems Division, ASME 2014
- Principles of Solar Engineering
- Thermal Engineering
|August 2006 ‐ May 2011||PhD, University of South Florida ‐ Department of Chemical and Biomedical Engineering|
|February 2001 ‐ June 2004||MSc(ME), Universidad del Norte - Colombia ‐ Department of Mechanical Engineering|
|February 1996 ‐ December 2000||BS(ME), Universidad del Norte - Colombia ‐ Department of Mechanical Engineering|
PO Box 157
Lismore NSW 2480
Telephone: +61 2 6620 3783
Journal articles (26)
Characteristics of auto-ignition in internal combustion engines operated with gaseous fuels of variable methane number Journal of Energy Resources Technology (2017)
This paper explores the feasibility of using Syngas with low methane number as fuel for commercial turbocharged internal combustion engines. The effect of methane number (MN), compression ratio (CR), and intake pressure on auto-ignition tendency ...
Energy, exergy and economic evaluation comparison of small-scale single and dual pressure organic rankine cycles integrated with low-grade heat sources Entropy (2017)
Low-grade heat sources such as solar thermal, geothermal, exhaust gases and industrial waste heat are suitable alternatives for power generation which can be exploited by means of small-scale Organic Rankine Cycle (ORC). This paper combines ...
Thermal and exergetic analysis of the Goswami cycle integrated with Mid-Grade heat sources Entropy (2017)
This paper presents a theoretical investigation of a combined Power and Cooling Cycle that employs an Ammonia-Water mixture. The cycle combines a Rankine and an absorption refrigeration cycle. The Goswami cycle can be used in ...
A biomimetic approach for modeling cloud shading with dynamic behavior Renewable Energy (2016)
Clouds are a complex phenomenon which is the result of a strong interaction between multiple variables. Modeling its behavior through physical principles is a task that requires time and is computationally demanding. One of the ...
Maximum power from fluid flow by applying the first and second law of thermodynamics Journal of Energy Resources Technology (2016)
The application of equilibrium thermodynamics in the study of thermal plant performance under real operating conditions is a constant challenge. In this paper, an analysis of a reservoir pressure piston working between two linear flow ...
Measuring reliability of hybrid photovoltaic-wind energy systems: a new indicator Renewable Energy (2016)
The integration of renewable energy systems has increased in the last decades because of the need for new energy sources freely available and environmental friendly. In this sense, photovoltaic-wind hybrid energy systems are an attractive ...
Multi-objective thermodynamic optimisation of supercritical CO2 Brayton cycles integrated with solar central receivers International Journal of Sustainable Energy (2016)
In this paper, optimisation of the supercritical CO Brayton cycles integrated with a solar receiver, which provides heat input to the cycle, was performed. Four S-CO Brayton cycle configurations were analysed and optimum operating conditions ...
Response surface optimization of an ammonia-water combined power/cooling cycle based on exergetic analysis Journal of Energy Resources Technology (2016)
Finding optimal operating conditions of solar-based power and cooling systems is always a challenge. Performance of these systems is highly dependent on several important parameters, which not only influence the long-term efficiency but also its ...
Thermodynamic feasibility of alternative supercritical CO2 Brayton cycles integrated with an ejector Applied Energy (2016)
Supercritical CO2 Brayton cycle has emerged as an alternative power block for Concentrated Solar Thermal (CST) systems and nuclear plants. In order to optimise the thermal performance of the Supercritical CO2 Brayton cycles, a combination ...
An exergy analysis of recompression supercritical CO2 cycles with and without reheating Energy Procedia (2015)
Concentrated Solar Power using supercritical CO2 (S-CO2) recompression Brayton cycles offer advantages of similar and even higher overall thermal efficiencies compared to power cycles using superheated or supercritical steam. The high efficiency and compactness of ...
Continuous and semicontinuous reaction systems for high-solids enzymatic hydrolysis of lignocellulosics Brazilian Journal of Chemical Engineering (2015)
An attractive operation strategy for the enzymatic hydrolysis of lignocellulosics results from dividing the process into three stages with complementary goals: continuous enzyme adsorption at low-solids loading (5% w/w) with recycling of the liquid phase; ...
Effect of pressure drop and reheating on thermal and exergetic performance of supercritical carbon dioxide Brayton cycles integrated with a solar central receiver Journal of Solar Energy Engineering (2015)
Concentrated solar power using supercritical carbon dioxide (S-CO2) Brayton cycles offers advantages of similar or higher overall thermal efficiencies than conventional Rankine cycles using superheated or supercritical steam. The high efficiency and compactness of S-CO2, ...
Exergetic analysis of supercritical CO2 Brayton cycles integrated with solar central receivers Applied Energy (2015)
Concentrated Solar Power (CSP) is a promising alternative for generating renewable energy. One of the most prominent CSP technologies is the central receiver tower with heliostat field, which has received attention in the last decade ...
Experimental characterization of thermal hydraulic performance of louvered brazed plate fin heat exchangers Revista Facultad de Ingeniería Universidad de Antioquia (2015)
Louvered fins are commonly used in compact heat exchangers to increase the surface area, turbulence, and initiate new boundary layer growth required to improve the heat transfer performance without a significant increase in pressure drop ...
Auto-ignition control in turbocharged internal combustion engines operating with gaseous fuels Energy (2014)
Control strategies for auto-ignition control in turbocharged internal combustion engines operating with gaseous fuels are presented. Ambient temperature and ambient pressure are considered as the disturbing variables. A thermodynamic model for predicting temperature at the ...
Automatic control strategies for hybrid solar-fossil fuel power plants Renewable Energy (2014)
Solar electrical generating systems are a class of solar energy systems which use parabolic trough collectors (PTC) to produce electricity from sunlight. In order to provide power production, one of the major challenges is to ...
Exergy analysis of an industrial sulphuric acid plant International Journal of Emerging Technology and Advanced Engineering (2014)
This paper presents an exergy analysis of an industrial 45 Ton/day sulphuric acid plant. Magnitude and location of irreversibilities for the main equipment of the process have been quantified. Gross irreversibilities represent 78.4% and exergy ...
Exergy analysis of parabolic trough solar receiver Applied Thermal Engineering (2014)
This paper presents an exergy analysis to study the effects of operational and environmental parameters on the performance of Parabolic Trough Collectors. The exergy analysis is based on a previous heat transfer model published by ...
Simulation and optimization of a parabolic trough solar power plant in the city of Barranquilla by using System Advisor Model (SAM) Energy Procedia (2014)
Solar energy is one of the most mature technologies to produce electricity from renewable energy. This papers analyses the solar radiation potential in the city of Barranquilla (Colombia), located at 10°59’16” north and 74°47’20” west, ...
Exergy analysis of a combined power and cooling cycle Applied Thermal Engineering (2013)
This paper presents a comprehensive exergy analysis of a combined power and cooling cycle which combines a Rankine and absorption refrigeration cycle by using ammonia–water mixture as working fluid. A thermodynamic model was developed in ...
The potential of harnessing solar radiation in Iran: generating solar maps and viability study of PV power plants Renewable Energy (2013)
This paper assesses the potential of harnessing solar radiation in different regions of Iran. In this regard, solar radiation maps are generated for five different cases: total radiation on a south facing fixed surface tilted ...
Performance analysis of a Rankine cycle integrated with the Goswami combined power and cooling cycle Journal of Energy Resources Technology (2012)
Improving the efficiency of thermodynamic cycles plays a fundamental role in reducing the cost of solar power plants. These plants work normally with Rankine cycles which present some disadvantages due to the thermodynamic behavior of ...
Analysis of a combined power and cooling cycle for low-grade heat sources International Journal of Energy Research (2011)
This paper presents a parametric analysis of a combined power/cooling cycle, which combines the Rankine and absorption refrigeration cycles, uses ammonia–water mixture as the working fluid and produces power and refrigeration, while power is the ...
Heat transfer analysis of parabolic trough solar receiver Applied Energy (2011)
Solar Parabolic Trough Collectors (PTCs) are currently used for the production of electricity and applications with relatively higher temperatures. A heat transfer fluid circulates through a metal tube (receiver) with an external selective surface that ...
Analysis of power and cooling cogeneration using ammonia-water mixture Energy (2010)
Development of innovative thermodynamic cycles is important for the efficient utilization of low-temperature heat sources such as solar, geothermal and waste heat sources. This paper presents a parametric analysis of a combined power/cooling cycle, which ...