Investigation of the effects of hydrogen energy ratio and valve lift amount on performance and emissions in a hydrogen-diesel dual-fuel compression ignition engine

N Gültekin, HE Gülcan, M Ciniviz - International Journal of Hydrogen …, 2024 - Elsevier
The inadequacy of internal combustion engines using diesel fuel to meet emission
standards has made it necessary to make radical innovations in these engines. With the use …

Evaluation of detailed combustion, energy and exergy analysis on ethanol-gasoline and methanol-gasoline blends of a spark ignition engine

İ Örs, S Yelbey, HE Gülcan, BS Kul, M Ciniviz - Fuel, 2023 - Elsevier
This study discusses the combustion behaviour of an SI engine and evaluates the engine's
thermodynamic performance through energy and exergy analysis. The test results compared …

[HTML][HTML] Effects of different gas energy shares on combustion and emission characteristics of compression ignition engine fueled with dual-fossil fuel and dual-biofuel

A Rimkus, S Stravinskas, J Matijošius, J Hunicz - Energy, 2024 - Elsevier
This study systematically investigates the energetic and environmental performance of a four-
cylinder compression ignition (CI) engine fueled by gaseous and liquid dual-fuel (DF) …

Experimental study of the effects of diesel, bioethanol, and hydrogen on combustion, emissions, mechanical vibration, and noise in a CI engine with different valve lift

N Gültekin - International Journal of Hydrogen Energy, 2024 - Elsevier
The use of hydrogen in hydrogen-diesel dual fuel (HDDF) compression ignition (CI) engines
poses some problems. The biggest challenge is that hydrogen gas takes up too much space …

Effect of hydrogen and methane in dual fuel mode in light diesel engine by VIS and IR imaging

C Allouis, R De Robbio, E Mancaruso… - International Journal of …, 2024 - Elsevier
Energy transition strongly leads researcher to find short-term alternative carbon-free fuels to
be used in internal combustion engines. An interesting and transient solution can be the …

Evaluation of wheat germ oil biofuel in diesel engine with hydrogen, bioethanol dual fuel and fuel ionization strategies

M Nibin, EG Varuvel, FJ JS, M Vikneswaran - International Journal of …, 2024 - Elsevier
The work has been done with the objective of overcoming the sustainability and
environmental degradation pertaining to the increasing consumption of diesel fuel. This can …

Effect of intake valve lift and binary alcohol (bioethanol+ isobutanol) addition on energy, exergy, sustainability, greenhouse gas impact and cost analysis in a hydrogen …

HE Gülcan - International Journal of Hydrogen Energy, 2024 - Elsevier
Greenhouse gas emissions are a significant problem contributing to global warming and
climate change and it is essential to increase the use of renewable and biomass-derived …

Effect of methane injection strategy on combustion, exergetic performance, and enviro-economic analyses in a diesel/methane CRDI engine

HE Gülcan - Applied Thermal Engineering, 2024 - Elsevier
To assess the applicability of methane gas in the context of a methane injection strategy in
dual fuel concept, it is crucial to evaluate not only the engine performance but also the …

Role of different type nanoparticles on exergy, thermoeconomic, exergoeconomic, environmental, and enviroeconomic indicators in a CI engine fueled with rapeseed …

HE Gülcan, C Bayindirli, D Erol, M Çelik - Fuel, 2025 - Elsevier
This present study conducts energy, exergy, thermoeconomic, exergoeconomic,
environmental, and enviroeconomic analyses for a CI engine fuelled with rapeseed oil …

Experimental investigation of the effect of variable valve lift on combustion stability and exhaust emissions in a diesel/methane CRDI engine

HE Gülcan, N Gültekin, M Ciniviz - Energy, 2024 - Elsevier
Diesel/methane combustion still encounters challenges in terms of lower combustion
stability and elevated levels of HC and CO emissions. The valve lift (VL) technique is a …