[HTML][HTML] Energy and exergy and economic (3E) analysis of a two-stage organic Rankine cycle for single flash geothermal power plant exhaust exergy recovery

G Fan, Y Gao, H Ayed, R Marzouki, Y Aryanfar… - Case Studies in Thermal …, 2021 - Elsevier
A two-stage ORC (Organic Rankine Cycle) is being proposed for the recovery and utilization
of low-grade heat from single flash geothermal power plant exhaust flue fluids. The working …

[HTML][HTML] Experimental study of emissions in single-cylinder diesel engine operating with diesel-biodiesel blends of palm oil-sunflower oil and ethanol

M Vergel-Ortega, G Valencia-Ochoa… - Case Studies in Thermal …, 2021 - Elsevier
This study investigates an alternative fuel methodology for diesel engines that focus on the
influence of ethanol as an additive agent in biodiesel blends derived from the industrial …

Optimization of waste heat recovery in internal combustion engine using a dual-loop organic Rankine cycle: Thermo-economic and environmental footprint analysis

G Valencia, A Fontalvo, JD Forero - Applied Thermal Engineering, 2021 - Elsevier
In this research, a waste heat recovery system based on a Dual-loop organic Rankine cycle
(DORC) was optimized for a 2 MW natural gas engine. A thermo-economic and …

Energy, Economic, and Environmental Evaluation of a Proposed Solar-Wind Power On-grid System Using HOMER Pro®: A Case Study in Colombia

F Antonio Barrozo Budes, G Valencia Ochoa… - Energies, 2020 - mdpi.com
The electrical sector in the Caribbean region of Colombia is currently facing problems that
affect its reliability. Many thermo-electric plants are required to fill the gap and ensure energy …

Thermodynamic, exergo-economic and exergo-environmental analysis of hybrid geothermal-solar power plant based on ORC cycle using emergy concept

M Alibaba, R Pourdarbani, MHK Manesh, GV Ochoa… - Heliyon, 2020 - cell.com
Abstract Design and optimization of the energy system with the efficient method is one the
major problem in recent years. The combined emergy-exergy-economic-environmental …

Exergy, economic, and life-cycle assessment of ORC system for waste heat recovery in a natural gas internal combustion engine

G Valencia Ochoa, J Cárdenas Gutierrez… - resources, 2020 - mdpi.com
In this article, an organic Rankine cycle (ORC) was integrated into a 2-MW natural gas
engine to evaluate the possibility of generating electricity by recovering the engine's exhaust …

Advance exergo-economic analysis of a waste heat recovery system using ORC for a bottoming natural gas engine

G Valencia Ochoa, J Piero Rojas, J Duarte Forero - Energies, 2020 - mdpi.com
This manuscript presents an advanced exergo-economic analysis of a waste heat recovery
system based on the organic Rankine cycle from the exhaust gases of an internal …

Carbon footprint analysis and advanced exergo-environmental modeling of a waste heat recovery system based on a recuperative organic Rankine cycle

GV Ochoa, G Prada, J Duarte-Forero - Journal of Cleaner Production, 2020 - Elsevier
The excessive and irrational use of non-renewable energy is the consequence of the
interaction of economic growth and environmental pollution. Therefore, it is increasingly …

Economic and exergo-advance analysis of a waste heat recovery system based on regenerative organic rankine cycle under organic fluids with low global warming …

GV Ochoa, C Isaza-Roldan, J Duarte Forero - Energies, 2020 - mdpi.com
The waste heat recovery system (WHRS) is a good alternative to provide a solution to the
waste energy emanated in the exhaust gases of the internal combustion engine (ICE) …

Regenerative organic rankine cycle as bottoming cycle of an industrial gas engine: traditional and advanced exergetic analysis

JC Gutierrez, G Valencia Ochoa, J Duarte-Forero - Applied Sciences, 2020 - mdpi.com
This investigation shows a traditional and advanced exergetic assessment of a waste heat
recovery system based on recuperative ORC (organic Rankine cycle) as bottoming cycle of …