@prefix prodottidellaricerca: . @prefix istituto: . @prefix prodotto: . istituto:CDS070 prodottidellaricerca:prodotto prodotto:ID239379 . @prefix pubblicazioni: . @prefix unitaDiPersonaleInterno: . unitaDiPersonaleInterno:MATRICOLA720 pubblicazioni:autoreCNRDi prodotto:ID239379 . unitaDiPersonaleInterno:MATRICOLA8359 pubblicazioni:autoreCNRDi prodotto:ID239379 . unitaDiPersonaleInterno:MATRICOLA12993 pubblicazioni:autoreCNRDi prodotto:ID239379 . @prefix rdf: . @prefix retescientifica: . prodotto:ID239379 rdf:type retescientifica:ProdottoDellaRicerca , prodotto:TIPO1301 . @prefix rdfs: . prodotto:ID239379 rdfs:label "Experimental study on nano-sized particles produced in flames burning methane (Contributo in atti di convegno)"@en . @prefix xsd: . prodotto:ID239379 pubblicazioni:anno "2007-01-01T00:00:00+01:00"^^xsd:gYear . @prefix skos: . prodotto:ID239379 skos:altLabel "
M. Commodo, E. Bichi, A. D'Anna, P. Minutolo, R. Pagliara, C. Allouis (2007)
Experimental study on nano-sized particles produced in flames burning methane
in XXX Meeting of the Italian section of the Combustion Institute, Ischia, giugno
"^^rdf:HTML ; pubblicazioni:autori "M. Commodo, E. Bichi, A. D'Anna, P. Minutolo, R. Pagliara, C. Allouis"^^xsd:string ; pubblicazioni:affiliazioni "IRC-CNR\nDip.Ing.Chimica Universit\u00E0 di Napoli \\\"FEDERICOII\\\""^^xsd:string ; pubblicazioni:titolo "Experimental study on nano-sized particles produced in flames burning methane"^^xsd:string ; pubblicazioni:isbn "9788888104072"^^xsd:string ; prodottidellaricerca:abstract "Natural Gas is one of the primary sources of energy for many of our activities; moreover\nnatural gas is mostly composed of methane, therefore it is of great interest to study the\ncombustion of methane and its byproducts in different combustion systems.\nDuring the last few years it has been shows that primary particles with typical sizes smaller\nthan three nanometers are easily produced close to the flame front of rich premixed flames\nand in non-premixed combustion systems [1-3]. These clusters, which are probably composed\nby polymers of polycyclic aromatic hydrocarbons, may growth for effect of particle-particle\ncoagulation process and for the addition of molecules from the gas-phase and lead to the\nformation of graphitic-like structures with typical size larger than ten nanometres, defined as\nsoot or elemental carbon. The characterisation of the kinetic of the formation of the particles\nemitted from combustion requires the development of experimental techniques able to detect\nparticles in the size range between 2-50 nm accounting also for their different chemical\ncomposition.\nAt this purpose, in this paper we present an experimental study of Nanoparticles of Organic\nCarbon (NOC), with a typical size range of 1 - 10 nm, and soot particles, with sizes in the\nrange 10 - 100 nm, formed in methane flames at atmospheric pressure. An optical diagnostic\nmethod based on the interaction of the fifth harmonic of a Nd:YAG laser with combustiongenerated\naerosols was performed to measure the concentration profiles of both NOC and\nsoot particle with high spatial resolution [4]. The high energy of the selected harmonic\nenhances fluorescence from aromatic chromophoric groups and also allows soot particles to\nheat up and emit incandescent radiation [5]. Optical measurements are complemented by\nDifferential Mobility Analysis (DMA) measurements, in selected conditions, which allow the\nmeasurement of the size distribution functions of the formed particles. The experimental data,\nhave been performed in different flame conditions: laminar premixed, laminar diffusion and\nturbulent diffusion flames. In the present work we compare the amounts of particulates from\nthe methane combustion, with respect to other gaseous fuels such as ethylene in similar flame\nconditions.\nFinally, the experiments were performed on three different systems, to the aim to study the\neffects of premixing, diffusion and turbulence on the particles formation in methane\ncombustion"@en ; prodottidellaricerca:prodottoDi istituto:CDS070 ; pubblicazioni:autoreCNR unitaDiPersonaleInterno:MATRICOLA720 , unitaDiPersonaleInterno:MATRICOLA8359 , unitaDiPersonaleInterno:MATRICOLA12993 .