Soot scattering measurements in the visible and near-infrared spectrum
نویسندگان
چکیده
منابع مشابه
Soot Scattering Measurements in the Visible and Near-infrared Spectrum
Scattering to extinction cross-section ratios, qse, were measured using the NIST Large Agglomerate Optics Facility for soot produced from ethene and acetylene laminar diffusion flames. Measurements were performed using light sources at 543.5 nm, 632.8 nm, and 856 nm. The average scattering to extinction cross-section ratios for these wavelengths are equal to 0.245, 0.195, and 0.195 for ethene a...
متن کاملPasture Status from Visible and Near Infrared Radiometric Measurements
The monitoring of pasture status often has relied on the satellite-derived quantity known as the normalised difference vegetation index (NDVI). However, theoretical modelling of canopy reflectances by Sellers (1985) suggests that NDVI does not provide a good measure of green matter quantity, particularly when the leaf-area index (LAI) is large. For ryegrass/clover pastures in the Waikato region...
متن کاملPortable visible and near-infrared spectrophotometer for triglyceride measurements.
An affordable and portable machine is required for the practical use of visible and near-infrared (Vis-NIR) spectroscopy. A portable fruit tester comprising a Vis-NIR spectrophotometer was modified for use in the transmittance mode and employed to quantify triglyceride levels in serum in combination with a chemometric analysis. Transmittance spectra collected in the 600- to 1100-nm region were ...
متن کاملAn improved high-resolution solar reference spectrum for earth's atmosphere measurements in the ultraviolet, visible, and near infrared
We have developed an improved solar reference spectrum for use in the analysis of atmospheric spectra from vacuum wavelengths of 200.07 through 1000.99nm. The spectrum is developed by combining high spectral resolution ground-based and balloon-based solar measurements with lower spectral resolution but higher accuracy irradiance information. The new reference spectrum replaces our previous refe...
متن کاملVisible & Near - Infrared Photometric Analysis
We have re-analyzed archival HST and Subaru data of the recently discovered planetary mass companion (PMC) GQ Lup B. With these we produce the first R and I band photometry of the companion and fit a radius and effective temperature using detailed model atmospheres. We find an effective temperature of 2335 ± 100K, and a radius of 0.38 ± 0.05R⊙ and luminosity of log(L/L⊙) = −2.42 ± 0.07 (at 140p...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Proceedings of the Combustion Institute
سال: 2000
ISSN: 1540-7489
DOI: 10.1016/s0082-0784(00)80241-6