Results 21 to 30 of about 1,328,736 (256)

Application of a Central Composite Design for the Study of NOx Emission Performance of a Low NOx Burner

Energies, 2015
In this study, the influence of various factors on nitrogen oxides (NOx) emissions of a low NOx burner is investigated using a central composite design (CCD) approach to an experimental matrix in order to show the applicability of design of experiments ...
Marcin Dutka, Mario Ditaranto, Terese Løvås   +2 more
doaj   +1 more source

Effects of oxygen enrichment and hydrogen addition on the instability of biogas-air premixed flames formed on a flat burner

Nihon Kikai Gakkai ronbunshu, 2023
This study focused on the biogas-air premixed flames formed on a flat burner under the conditions of oxygen enrichment and hydrogen addition to improve the combustion characteristics of biogas-air premixtures.
Yui AKAGAWA, Ryosuke NOGI, Daisuke SATO, Toshiyuki KATSUMI, Satoshi KADOWAKI   +4 more
doaj   +1 more source

Palladium based membranes and membrane reactors for hydrogen production and purification:An overview of research activities at Tecnalia and TU/e [PDF]

, 2016
In this paper, the main achievements of several European research projects on Pd based membranes and Pd membrane reactors for hydrogen production are reported.
E. Fernandez, Spallina, V., de Nooijer, N.C.A., A. Arratibel, F. Gallucci, D.A. Pacheco Tanaka, Melendez, J., Gallucci, F., Pacheco Tanaka, D. A., M. van Sint Annaland, Zuniga Palacio, Jon, Zuñiga, J., Fernandez, Ekain, Arratibel, A., Helmi Siasi Farimani, A., V. Spallina, Fernandez, E., Helmi, A., J. Melendez, Medrano Jimenez, J.A., de Nooijer, N. C.A., Coenen, K.T., Pacheco Tanaka, D.A., Melendez Rey, J., Viviente, J. L., J.L. Viviente, Medrano, J. A., van Sint Annaland, M., J. Zuñiga, Gallucci, F.; id_orcid, Coenen, K., K. Coenen, Viviente, J.L., A. Helmi, J.A. Medrano, Spallina, V.; id_orcid, Arratibel Plazaola, A., N.C.A. de Nooijer   +37 more
core   +4 more sources

Computational Investigation of the Influence of Combustion Chamber Characteristics on a Heavy-Duty Ammonia Diesel Dual Fuel Engine

Energies
In response to increasingly stringent emissions regulations and the depletion of conventional fuel sources, integrating carbon-free fuels into the transport sector has become imperative.
Youcef Sehili, Khaled Loubar, Lyes Tarabet, Mahfoudh Cerdoun, Clément Lacroix   +4 more
doaj   +1 more source

Power-to-Hydrogen and Hydrogen-to-X : system Analysis of the techno-economic, legal, and regulatory conditions

, 2021
P2X pathway definitions has the aim to clarify terminologies that are often used but with different meanings or intentions which leads to misunderstanding and ambiguity.
Funez, C., Mansilla, C., Prost, J., Dickinson, R., Lucchese, P., Samsatli, S., Leaver, Jonathan, Grand-Clement, L., Tilli, O.   +8 more
core  

Control Strategies and Intelligent Optimization for Ammonia–Hydrogen Dual-Fuel Engines: A Control-Oriented Review

Energies
Ammonia is increasingly regarded as a carbon-free energy carrier for hard-to-electrify power sectors, including marine propulsion, heavy-duty transport, and distributed generation. Its direct use in internal combustion engines, however, is constrained by
Jiacheng Zhou, Gang Wu, Yong Chen, Haoran Zong   +3 more
doaj   +1 more source

Numerical Study of Combustion in a Methane–Hydrogen Co-Fired W-Shaped Radiant Tube Burner

Energies
Three-dimensional computational fluid dynamics (CFD) simulation was performed using the eddy-dissipation concept coupled with detailed hydrogen oxidation kinetics and a reduced two-step methane mechanism for a newly proposed W-shaped radiant tube burner (
Daun Jeong, Seongbong Ha, Jeongwon Seo, Jinyeol Ahn, Dongkyu Lee, Byeongyun Bae, Jongseo Kwon, Gwang G. Lee   +7 more
doaj   +1 more source

A consistent molecular hydrogen isotope chemistry scheme based on an independent bond approximation [PDF]

, 2009
The isotopic composition of molecular hydrogen (H₂) produced by photochemical oxidation of methane (CH₄) and Volatile Organic Compounds (VOCs) is a key quantity in the global isotope budget of (H<sub>2 ...
Sub Atmospheric physics and chemistry, M. C. Krol, G. Pieterse, T. Röckmann, Krol, M.C., Pieterse, G., Afd Marine and Atmospheric Research, Marine and Atmospheric Research, Röckmann, T.   +8 more
core   +3 more sources

Large Eddy Simulation of the Effect of Hydrogen Ratio on the Flame Stabilization and Blow-Off Dynamics of a Lean CH₄/H₂/Air Bluff-Body Flame

Applied Sciences
This study investigated the flame structure and dynamics of a bluff-body flame when numerically close to blow-off conditions. This includes the impact of the hydrogen ratio on lean CH4/H2/air flame stabilization and blow-off characteristics.
Lei Cheng, Meng Zhang, Shiyao Peng, Jinhua Wang, Zuohua Huang   +4 more
doaj   +1 more source

Effects of hydrogen enrichment and turbulence intensity on the combustion mode in locally stratified dual-fuel mixtures of n-dodecane/methane

Applications in Energy and Combustion Science, 2022
In dual-fuel (DF) engines, a high-reactivity fuel (HRF) ignites a low-reactivity fuel (LRF) premixed with air. Identification of the combustion mode after autoignition in DF engines with different fuel combinations and under various mixture ...
Shervin Karimkashi, Ossi Kaario, Ville Vuorinen   +2 more
doaj   +1 more source