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Observación óptica remota de la combustión de biomasa mediante el uso de emisión de potasio desde un frente de llama

Resumen

Tipo:
Oferta Tecnológica
Referencia:
TOIT20190926002
Publicado:
30/09/2019
Caducidad:
30/09/2020
Resumen:
Investigadores italianos han desarrollado una metodología para detectar frentes de fuego en la combustión de biomasa mediante el uso de una técnica de sensores hiperespectrales de bajo coste. En comparación con los sensores convencionales de detección de incendios, que generalmente se basan en la emisión a bandas térmicas, este enfoque ofrece ventajas tanto desde el punto de vista económico como operativo. Los investigadores han diseñado un nuevo sistema que incluye cabezales ópticos espectrales en diferentes bandas, ofreciendo una cobertura espectral completa desde el rango visible hasta el rango infrarrojo térmico. El grupo de investigación busca pymes y socios industriales especializados en sistemas antiincendios o agencias nacionales y regionales que trabajen en el campo de monitorización y alerta de combustión de madera con el fin de establecer acuerdos de cooperación técnica.


Details

Tittle:
Remote optical observation of biomass burning by using potassium emission from front flame
Summary:
Italian reserchers have developed a methodology for detecting fire fronts from biomass burning, using hyperspectral low cost sensor technique. This approach is advantageous, both from the economic and operative viewpoints, with respect to classical remote sensing for fire detection, usually based on the emission at thermal bands. The research team is looking for technical cooperation agreements.
Description:
An Italian reserch team have conceveid the feasibility of a methodology for detecting fire fronts from biomass burning, using hyperspectral low cost sensor technique. The research studies consider that the remote sensing for fire detection from biomass burning has traditionally relied on two spectral regions: the thermal infrared (8-14 µm) and the middle infrared (3.5-5 µm). These regions are often analysed using supervised algorithms and thresholding levels tuned to avoid false alarms . Alkaline and alkaline earth elements can emit sharp emission lines due to the thermal excitation of high-energy electronic states. This experimental evidence is a well-known characteristic, usually exploited in emission and absorption spectroscopy to detect trace elements in analytical chemistry. Such emission lines could also be exploited to detect fire fronts during biomass burning. The developed methodology contemplates that:
(a) Potassium is ubiquitous and relevantly represented in soils and biomasses; (b) can be electronically excited due to the high temperatures reached during burning; (c) have high transition probabilities for persistent spectral lines and (d) whose spectral radiance may be ´easily´ detected using cheap electronic devices.
From this study, the italian researchers have conceveid the innovative system that includes spectral optical heads in different bands, providing complete spectral coverage from the visible to the thermal infrared range.
The researcher team is now looking for SMEs or industrial actors involved with fire-extinguishing systems or national and regional agencies dealing with wood fire alert monitoring to reach a technical cooperation agreement in a technological transfer perspective.
Advantages and Innovations:
The system includes spectral optical heads in different bands, providing complete spectral coverage from the visible to the thermal infrared range. Potassium is ubiquitous and relevantly represented in soils and biomasses and can be electronically excited due to the high temperatures reached during burning. The radiance emitted by potassium atoms at different wave lengths, electronically excited during biomass burning, can be usefully exploited to detect the fire front. This approach is advantageous, both from the economic and operative viewpoints, with respect to classical remote sensing for fire detection (i.e. smoldering and fire front together), usually based on the emission at thermal bands.
Potassium emitted radiance allows to separate the contribution of smoldering from fire front; this is the major added value coming from this methodology.
Stage of Development:
Concept stage
IPs:
Other

Partner sought

Type and Role of Partner Sought:
The partners sought could be SMEs or industrial actors active in fire safety, providers of fire protection solutions, or national and regional agencies dealing with wood fire alert monitoring. The partnership considered is a technical cooperation agreement, in order to reach a general improvement of the methodology through pooling of resources and skills and reach the market

Client

Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
No
Languages Spoken:
English
Italian

Keywords

Technology Keywords:
10001002 Evaluación de riesgo e impacto medioambiental
10001003 Tecnología de seguridad contra incendios
09001009 Tecnología de sensores relacionada con la realización de medidas
10002010 Tecnología de sensores remotos