- Author
- Basile, G. | Rolando, A. | Dalessio, A. | Danna, A. | Minutolo, P.
- Title
- Coagulation and Carbonization Processes in Slightly Sooting Premixed Flames.
- Coporate
- Universita di Napoli "Federico II", Napoli, Italy Istituto di Ricerche sulla Combustione, Napoli, Italy
- Book or Conf
- Combustion Institute, Symposium (International) on Combustion, 29th. Proceedings. Volume 29. Part 2. July 21-25, 2002, Combustion Institute, Pittsburgh, PA, Sapporo, Japan, Chen, J. H.; Colket, M. D., Editors, 2391-2397 p., 2002
- Keywords
- combustion | permixed flames | soot | thermocouples | etheylene | nanoparticles | polycyclic aromatic hydrocarbons | soot | temperature | emissivity | delay time
- Identifiers
- UV absorption spectra in the 200-400 nm range and transient thermocouple measurements are used to characterize the process of nanoparticle formation and their carbonization to soot particles in slightly sooting premixed flames of ethylene; determination of the UV absorption spectra from 200 to 400 nm; based on the time evolution of the signal registered by a thermocouple inserted in rich flames; determination of UV absorption spectra and particle volume fraction; delay time, number concentration, carbonization rate, and temperature in different flame conditions; rates of the carbonization and coagulation process; presence of nanoparticles can be easily inferred by UV absorption and transient thermocouple measurements