http://www.cnr.it/ontology/cnr/individuo/prodotto/ID213196

Experimental CO2 absorption coefficients at high pressure and high temperature (Articolo in rivista)

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Experimental CO2 absorption coefficients at high pressure and high temperature (Articolo in rivista) (literal)

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Stefani, S , Piccioni, G , Snels, M , Grassi, D, Adriani, A (2013)
Experimental CO2 absorption coefficients at high pressure and high temperature
in Journal of Quantitative Spectroscopy & Radiative Transfer; Elsevier, Amsterdam (Paesi Bassi)
(literal)

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[ 1 ] Inst Astrophys & Planetary Sci, Rome, Italy [ 2 ] Inst Atmospher Sci & Climate, Rome, Italy (literal)

Titolo

Experimental CO2 absorption coefficients at high pressure and high temperature (literal)

Abstract

Here we present a laboratory study of CO2 absorption spectra, obtained at high temperatures and pressures, similar to those encountered in the Venusian atmosphere. These spectra have been recorded using a Fourier Transform InfraRed (FT-IR) spectrometer, which is equipped to operate from 800 to 30,000 cm(-1) (0.33-12.5 mu m) with a resolution from 0.06 to 10 cm(-1). A dedicated gas cell, designed to support pressures up to 200 bar and temperatures up to 350 degrees C, has been coupled to the FT-IR. Starting from a realistic vertical pressure-temperature profile of the Venus' atmosphere, based on measurements performed with atmospheric probes, we have recorded a series of absorption spectra of CO2, varying the pressure and temperature from 1 to 50 bar and from 294 to 650 K. (literal)

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