the present study is concerned with measuring and simulating soot formation and combustion in turbulent liquid fuel spray flames. soot concentrations inside the combustor are measured by filter paper technique. the simulation is based on the solution of the fully-coupled conservation equations for turbulent flow, chemical species kinetic modeling, fuel droplet evaporation and combustion and soo...

CeO2 nanoparticles have been proven to be competent photocatalysts for environmental applications because of their strong redox ability, nontoxicity, long-term stability, and low cost. We have synthesized CeO2 nanoparticles via solution combustion method using ceric ammonium nitrate as an oxidizer and ethylenediaminetetraacetic acid (EDTA) as fuel at 450 °C. These nanoparticles exhibit good pho...

The current work presents the results of an experimental investigation of gas-phase combustion synthesis of silica (SiO2) particles using a multi-element diffusion flame burner (MEDB, a Hencken burner). Silane (SiH4) was added to hydrogen/oxygen/argon (H2/O2/Ar) flames to produce SiO2 nanoparticles at various burner operating conditions ( 0.47–2.16). To characterize the burner performance, temp...

In recent years progress in the materials research field has been associated with the discovery of graphene and other twodimensional atomic crystals. Those materials uniquely combine many exceptional properties, which make them highly attractive for a variety of applications. Despite significant advancement in synthesis and processing, the relevance of those materials is essentially driven by p...

A solution based economically low cost, eco-friendly, and energetically advantageous alternative route for the fabrication of ultrafine LiFe0.95Ti0.05PO4 (LFTP) LiFePO4 (LFP) polycrystalline materials by semi-wet combustion sol–gel synthesis is presented in this chapter. The energy dispersive X-ray (EDX) spectra LFP LFTP material were observed with high-resolution transmission electron microsco...

Nanostructured perovskite-type oxides catalysts La1-xAxNi1-yByO3 (where A = Na, K, Rb and B = Cu; x = 0, 0.2 and y = 0, 0.05, 0.1), prepared by the solution combustion synthesis method and characterized by BET, XRD, FESEM, and catalytic activity tests in microreactors, proved to be effective in the simultaneous removal of soot and NO, the two prevalent pollutants in diesel exhaust gases in the ...

The kinetic parameters of ethylene combustion in the presence of acetic acid, i.e., during the synthesis of vinyl acetate and in the absence of acetic acid, have been measured in the temperature range 413–453 K over Pd supported on a high surface area SiO2 (600 m 2/g) at pressures ranging from 5.0 to 15.0 kPa of C2H4 and 1.0 to 10.0 kPa of O2. CO2 formation as a function of the partial pressure...

In the current work, a novel combustion method is demonstrated for the direct synthesis of nanocomposite materials. Specifically doped tin dioxide (SnO2) powders were selected for the demonstration studies due to the key role SnO2 plays in semiconductor gas sensors and the strong sensitivity of doped SnO2 to nanocomposite properties. The synthesis approach combines solid and gas-phase precursor...