[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 …

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 …

Study of the piston secondary movement on the tribological performance of a single cylinder low-displacement diesel engine

JD Forero, GV Ochoa, WP Alvarado - Lubricants, 2020 - mdpi.com
The present study aims to analyze the secondary movement of the piston considering the
deformations present in the piston skirt, the hydrodynamic lubrication, and the effects of the …

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 …

Thermo-economic assessment of a gas microturbine-absorption chiller trigeneration system under different compressor inlet air temperatures

G Valencia Ochoa, C Acevedo Peñaloza… - Energies, 2019 - mdpi.com
This manuscript presents a thermo-economic analysis for a trigeneration system integrated
by an absorption refrigeration chiller, a gas microturbine, and the heat recovery steam …

Energy, Exergy, and emissions (3E) assessment of a low-displacement engine powered by biodiesel blends of palm oil mill effluent (POME) and hydroxy gas

J Duarte-Forero, D Mendoza-Casseres… - Thermal Science and …, 2021 - Elsevier
In this research, an experimental assessment of a low-displacement diesel engine
evaluated the influence of hydroxy gas enrichment in a biodiesel blend produced from …

Combustion and performance study of low-displacement compression ignition engines operating with diesel–biodiesel blends

G Valencia Ochoa, C Acevedo Penaloza… - Applied Sciences, 2020 - mdpi.com
This study investigated the influence of different biodiesel blends produced from residual
sunflower oil and palm oil from agroindustry liquid waste on the characteristics of the …

[HTML][HTML] Energy, exergy and environmental assessment of partial fuel substitution with hydroxy powered by a thermoelectric generator in low displacement diesel …

JD Forero - Cleaner Engineering and Technology, 2021 - Elsevier
This study evaluates the effect of partial fuel substitution with HHO (hydroxy) gas on a
Jatropha oil biodiesel. For the experimental analysis, a stationary single-cylinder diesel …