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| Content Provider | Springer Nature Link |
|---|---|
| Author | Mansurov, Z. A. |
| Copyright Year | 2001 |
| Abstract | This paper presents the study of polycyclic aromatic hydrocarbons (PAH) and paramagnetism of soot particles sampled from cool sooting flames of methane and propane in a separately-heated two-sectional reactor under atmospheric pressure at the reactor temperatures of 670–1170 K. The temperature profiles of the flames were studied. The sampling was carried out with a quartz sampler and the samples were frozen with liquid nitrogen. A number of polyaromatic hydrocarbons such as pyrene, fluoranthene, coronene, anthanthrene, 1,12-benzperylene, were identified by spectroscopic methods in the extract of soot. The processes of soot formation at methane-oxygen mixture combustion in the electric field with applied potential changed from 0 to 2,2 kV at different polarity of electrodes have been investigated. It has been stated that at the electrical field application, an increase in soot particle sizes and soot yield occurs; besides, at the application of the field, speeding up the positively charged particles, the interplanar distance decreases. On the basis of investigation of soot particles paramagnetism, it was shown that initially soot particles have high carcinogetic activity and pollute the environment owing to a rapid decrease of the number of these radical centers. The reduction of the radical concentration is connected with radical recombination on soot. |
| Starting Page | 269 |
| Ending Page | 280 |
| Page Count | 12 |
| File Format | |
| ISSN | 10032169 |
| Journal | Journal of Thermal Science |
| Volume Number | 10 |
| Issue Number | 3 |
| e-ISSN | 1993033X |
| Language | English |
| Publisher | Science Press |
| Publisher Date | 2013-04-16 |
| Publisher Place | Beijing |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | hydrocarbon flames soot polycyclic aromatic hydrocarbons Classical Continuum Physics Engineering Fluid Dynamics Engineering Thermodynamics, Heat and Mass Transfer |
| Content Type | Text |
| Resource Type | Article |
| Subject | Condensed Matter Physics |
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