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| Titel: |
Spectral Remote Sensing for Furnaces and Flames |
| Auteur: |
Song, Tae-Ho |
| Verschenen in: |
Heat transfer engineering |
| Paginering: | Jaargang 29 (2008) nr. 4 pagina's 417-428 |
| Jaar: |
2008-04 |
| Inhoud: |
The spectral remote sensing (SRS) technique to measure the gas temperature profile in a combustion system is introduced from fundamental concept to lab-size bench test. As the bases of the technique, computationally working models of narrow band emission in the CO2 4.3μ -wide band are tested, and inversion algorithms to convert the spectral intensity data into a temperature profile are proposed. Actual applications to three lab-size test benches are made to confirm the practical applicability of the technique. With the latest inversion methods and instruments, the SRS technique can retrieve the temperature profile within a 20-30 K error for peak temperature of 1500 K within seconds. A scheme called BCIM incorporating base function approach and nodal temperature approach is recommended. It is also shown that a pure concentration problem cannot be handled by SRS. However, SRS can be applied to combustion flames thanks to a strong temperature/concentration correlation. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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