In the lidar-dial method, the amount of the water vapor present in the smoke of the vegetable fuel is detected to reduce the number of false alarms. We report the measurements of the smoke backscattering coefficients for the CO2laser lines 10R20 and 10R18 as determined in an absorption cell for two different vegetable fuels (eucalyptus and conifer). These experimental backscattering coefficients enable us to determine the error to be associated to the water vapor measurements when the traditional first-order approximation is assumed. We find that this first-order approximation is valid for combustion rates as low as 100 gs. © 2010 Society of Photo-Optical Instrumentation Engineers.
All Science Journal Classification (ASJC) codes
- Atomic and Molecular Physics, and Optics
Bellecci, C., Gaudio, P., Gelfusa, M., Lo Feudo, T., Murari, A., Richetta, M., & De Leo, L. (2010). In-cell measurements of smoke backscattering coefficients using a CO. Optical Engineering, 49(12), -. . https://doi.org/10.1117/1.3526331