Results 21 to 30 of about 566 (187)

A Numerical Simulation Study on the Combustion of Natural Gas Mixed with Hydrogen in a Partially Premixed Gas Water Heater

Energies
To investigate the impact of blending natural gas with hydrogen on the combustion performance of partially premixed gas water heaters, a framelet-generated manifold (FGM) was employed for lower-order simulation of combustion processes.
Siqi Li, Xiaoling Li, Hanlin Jin, Yi Liu, Yuguo Wu   +4 more
doaj   +1 more source

The Effects of CO2, N2, and H2O Dilutions on NO Formation of Partially Premixed Synthesis Gas Combustion

Cumhuriyet Science Journal, 2019
Oneof the main methods to decrease NO emission during the combustion of gases isthe use of diluents. This study is interested in the effects of CO2,N2, and H2O dilutions in the adiabatic, turbulent,partially premixed combustion of synthesis gas.
Suat Öztürk
doaj   +1 more source

Tabulated Chemistry Combustion Model for Cost-Effective Numerical Simulation of Dual-Fuel Combustion Process

Energies, 2023
This study is dedicated to improving the efficiency of the flamelet-generated manifold (FGM) tabulated chemistry combustion modeling approach for predicting the combustion process in diesel-ignited internal combustion (IC) engines.
Marija Stipic, Branislav Basara, Steffen J. Schmidt, Nikolaus A. Adams   +3 more
doaj   +1 more source

Effects of fuel-hydrogen levels on combustion, operability, and emission parameters of CH4/H2/O2/CO2 stratified flames in a dual-swirl gas turbine burner

Engineering Applications of Computational Fluid Mechanics, 2023
Towards the development of emission-free hydrogen gas turbines with wider operability limits, the combined effects of lean premixed combustion, dual combustion (combustion staging), hydrogen enrichment, and oxy-fuel combustion on the combustion and ...
Medhat A. Nemitallah, Sami K. Aljehani, Md Azazul Haque   +2 more
doaj   +1 more source

Partially-Premixed Flames in Internal Combustion Engines [PDF]

, 2003
This was a joint university-industry research program funded by the Partnerships for the Academic-Industrial Research Program (PAIR). The research examined partially premixed flames in laboratory and internal combustion engine environments at Vanderbilt University, University of Michigan, and General Motors Research and Development.
Pitz, Robert W., Drake, Michael C., Fansler, Todd D., Sick, Volker   +3 more
openaire   +2 more sources

Study on the Combustion Behavior of Inhomogeneous Partially Premixed Mixtures in Confined Space

Energies
Reasonably configuring the concentration distribution of the mixture to achieve partially premixed combustion has been proven to be an effective method for improving energy utilization efficiency.
Yanfei Li, Xin Zhang, Lichao Chen, Ying Liu   +3 more
doaj   +1 more source

Impact of Hydrogen/Natural Gas Blends on Partially Premixed Combustion Equipment: NO_x Emission and Operational Performance

Energies, 2022
Several North American utilities are planning to blend hydrogen into gas grids, as a short-term way of addressing the scalable demand for hydrogen and as a long-term decarbonization strategy for ‘difficult-to-electrify’ end uses. This study documents the
Paul Glanville, Alex Fridlyand, Brian Sutherland, Miroslaw Liszka, Yan Zhao, Luke Bingham, Kris Jorgensen   +6 more
doaj   +1 more source

Effect of Air-excess on Blends of RON70 Partially Premixed Combustion [PDF]

Flow, Turbulence and Combustion, 2015
Partially Premixed Combustion (PPC) is a combustion concept that aims to provide combustion with low smoke and NOx emissions and a high thermal efficiency. Extending the ignition delay to enhance premixing, avoiding spray-driven combustion, and controlling temperature at an optimum level through use of suitable dilution levels has been recognized as a ...
Wang, S., Bakker, P.C., Visser, de, A.J.M., Somers, L.M.T.   +3 more
openaire   +2 more sources

Measurement and Identification of Flame Describing Function (FDF) Based on Parallel Subsystem Model

Aerospace
Because of the need for low pollutant emissions, industrial gas turbines typically use partially premixed gases for combustion. However, the nonlinear dynamic characteristics of partially premixed flames have not been studied sufficiently.
Zhaohui Wang, Yichen Wang, Min Zhu
doaj   +1 more source

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source