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Combustion regimes in sequential combustors: Flame propagation and autoignition at elevated temperature and pressure [PDF]
This numerical study investigates the combustion modes in the second stage of a sequential combustor at atmospheric and high pressure. The sequential burner (SB) features a mixing section with fuel injection into a hot vitiated crossflow. Depending on the dominant combustion mode, a recirculation zone assists flame anchoring in the combustion chamber ...
Noiray, Nicolas, Schulz, Oliver
arxiv +3 more sources
New type of microengine using internal combustion of hydrogen and oxygen [PDF]
Microsystems become part of everyday life but their application is restricted by lack of strong and fast motors (actuators) converting energy into motion. For example, widespread internal combustion engines cannot be scaled down because combustion reactions are quenched in a small space.
AC Fernandez-Pello+26 more
arxiv +5 more sources
Non-linear simulations of combustion instabilities with a quasi-1D Navier-Stokes code [PDF]
As lean premixed combustion systems are more susceptible to combustion instabilities than non-premixed systems, there is an increasing demand for improved numerical design tools that can predict the occurrence of combustion instabilities with high accuracy.
Allam+29 more
arxiv +3 more sources
Development of electroforming method for coating of polymer membranes by graphene oxide
The current research is focused on development of electroforming method for coating of porous membranes by graphene oxide. A mixture based on polymethylmetacrylate dissolved in acetone and graphene oxide was pumped through the syringe pump onto the ...
F. R. Sultanov+3 more
doaj +1 more source
Recent Advances in the Preparation of Barium Sulfate Nanoparticles: A Mini-Review
The potential for barium sulphate nanoparticles to be used in a variety of important fields has sparked a lot of attention. Methods for obtaining this material by milling (top-down approach) are not very popular due to the difficulty of controlling the ...
Tlek Ketegenov+4 more
doaj +1 more source
Combustion, Chemistry, and Carbon Neutrality.
Combustion is a reactive oxidation process that releases energy bound in chemical compounds used as fuels─energy that is needed for power generation, transportation, heating, and industrial purposes.
K. Kohse-Höinghaus
semanticscholar +1 more source
Cellulose-originated three-dimensional graphene oxide CNT-modified LiOH·H2O (3D-GO-CNTs-LiOH·H2O) was synthesized by the hydrothermal method. LiOH·H2O nanoparticles (5–50 nm) were homogeneously dispersed inside the 3D-GO-CNTs frames. The composite showed
Yuxian Wang+7 more
doaj +1 more source
In the development process of aircraft, it needs to be tested in different incoming flow environments. Therefore, the test equipment that can provide a wide Mach number range and a fast-response flow field has always been a research hotspot.
Zaicheng Chen+3 more
doaj +1 more source
PAN—Composite Electrospun-Fibers Decorated with Magnetite Nanoparticles
The results of the synthesis of PAN(polyacrylonitrile)-magnetite composite fibers using the electrospinning method are presented. The electrospinning installation included a rotating drum collector for collecting fibers.
Zulkhair Mansurov+4 more
doaj +1 more source
Fluorescence-based multispectral imaging of rapidly moving or dynamic samples requires both fast two-dimensional data acquisition as well as sufficient spectral sensitivity for species separation. As the number of fluorophores in the experiment increases,
Karolina Dorozynska+6 more
doaj +1 more source