Results 61 to 70 of about 160,975 (315)

Large Eddy Simulation of combustion instabilities in a lean partially premixed swirled flame [PDF]

, 2012
This paper investigates one issue related to Large Eddy Simulations (LES) of self- excited combustion instabilities in gas-fueled swirled burners: the effects of incom- plete mixing between the gas injection and the combustion chamber.
Albouze, Angelberger, Benedetta Franzelli, Bilger, Boudier, Colin, Colin, di Mare, Eleonore Riber, Fiorina, Franzelli, Freitag, Galpin, Giauque, Granet, Kaufmann, Laurent Y.M. Gicquel, Lieuwen, Meier, Moureau, Moureau, Poinsot, Poinsot, Roux, Roux, Schmitt, Selle, Selle, Sengissen, Sengissen, Shreekrishna, Sommerer, Thierry Poinsot, Truffin, Westbrook, Williams, Wolf   +36 more
core   +3 more sources

Mass Spectrometric Investigation of the Influence of Water Vapour and Oxygen on Gas‐Phase Reactions of Aluminium Acetylacetonate

Advanced Materials Interfaces, EarlyView.
The gas‐phase decomposition of Al(acac)3 is investigated under inert, oxygen, and water‐containing conditions. Water is found to promote selective ligand removal and suppress hydrocarbon formation, while oxygen induces faster, less selective decomposition pathways.
Ilyas Adaköy, Sebastian Grimm, Patrick Hemberger, Nina Gaiser, Thomas Bierkandt, Charlotte Rudolph, Christoph Horn, Niklas Tomasik, Burak Atakan   +8 more
wiley   +1 more source

Study on radiation heat transfer characteristics of aeroengine combustion chamber

Xibei Gongye Daxue Xuebao
The thermal radiation of gaseous combustion products in an aero-engine combustion chamber has obvious non-ash-body characteristics. In this paper, based on the OpenFOAM platform, a numerical study on multi-field coupled turbulence-combustion-radiation ...
SHI Pengyu, LI Ming, YU Qianqian, WANG Zhisheng, REN Lishi, FAN Wei   +5 more
doaj   +1 more source

Plasma igniter for internal combustion engine [PDF]

, 1978
An igniter for the air/fuel mixture used in the cylinders of an internal combustion engine is described. A conventional spark is used to initiate the discharge of a large amount of energy stored in a capacitor.
Breshears, R. R., Fitzgerald, D. J.
core   +1 more source

Additively Manufactured Porous Ceramics as Tunable Dielectrics for Passive Temperature Sensing

Advanced Materials Technologies, EarlyView.
Porous ceramic lattices, 3D‐printed from a multicomponent oxide ink, are integrated with LC resonators for passive wireless temperature sensing. By tuning porosity, the dielectric properties and RF response are engineered to produce distinct resonant frequency shifts with temperature. The results establish a structure‐driven approach to customizing the
Sogol Heidarishahrivar, Aminul Islam, Chang Woo Gal, Insup Kim, Yeong‐Jin Choi, Woo Soo Kim   +5 more
wiley   +1 more source

Advanced Numerical Analysis of In-Cylinder Combustion and NO_x Formation Using Different Chamber Geometries

Fire
In diesel engines, emission formation inside the combustion chamber is a complex phenomenon. The combustion events inside the chamber occur in microseconds, affecting the overall engine performance and emissions characteristics.
Arun Teja Doppalapudi, Abul Kalam Azad
doaj   +1 more source

Research on Aero Engine Emission Based on Combustion Chamber Size Optimization

Hangkong gongcheng jinzhan, 2018
The emission of aero piston engines has been a focused problem. The combustion chamber size is of certain effect on engine emissions performance. A piston engine is taken as the object of study.
Pan Zhongjian, Zhou Kai, Cheng Lizhi
doaj   +1 more source

Record Performance in Vertically Stacked, Solution‐Processed ZTO Schottky Diodes

Advanced Materials Technologies, EarlyView.
Schottky diodes based on solution processed sustainable zinc—tin–oxide thin films present an eco‐friendly and versatile alternative to conventional CMOS based technologies. Beyond state‐of‐the‐art performance for vertically stacked solution‐based oxide diodes was achieved, including rectification ratios exceeding nine orders of magnitude, and intrinsic
Carlos Silva, Asal Kiazadeh, Raquel Azevedo Martins, António Dias, Jorge Martins, Luís Mendes, João Vaz, Rodrigo Martins, Elvira Fortunato, Emanuel Carlos, Jonas Deuermeier   +10 more
wiley   +1 more source

Effect of structural parameters of active pre-chamber on ammonia/hydrogen premixed combustion process: A numerical investigation

Case Studies in Thermal Engineering
The development of zero-carbon fuels is of great significance for reducing carbon emissions. Using an ammonia/hydrogen mixture as fuel, the combustion in engine through an active pre-chamber has a good effect on reducing carbon emissions.
Zhe Kang, Da Peng, Jing Luo, Yang Lv, Lan Li   +4 more
doaj   +1 more source

The N.A.C.A. Combustion Chamber Gas-sampling Valve and Some Preliminary Test Results [PDF]

A gas sampling valve of the inertia-operated type was designed for procuring samples of the gases in the combustion chamber of internal combustion engines at identical points in successive cycles so that the analysis of the gas samples thus procured may ...
Buckley, E C, Spanogle, J A
core   +1 more source