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- Title
Spectroscopic Evaluation of Thermodynamic Parameters for Aluminum Based Diatomic Gas Molecules.
- Authors
Sriramachandran, P.; Viswanathan, B.; Shanmugavel, R.
- Abstract
On account of the high accuracy with which spectroscopic data are obtained, thermodynamic parameters estimated from these data are more reliable than those obtained by direct thermal measurements. Spectroscopic data of aluminum based diatomic gas molecules (AlO, AlH, AlD, AlF, AlC) and partition function theory have been used to evaluate the thermodynamical parameters in the temperature range 100 -- 3000 0K. Equilibrium constants for astrophysically important chemical process have been calculated using partition function theory. It is noticed that for AlC the heat capacity decreases exponentially after the critical temperature 1200 0K.
- Subjects
SPECTROSCOPIC imaging; THERMODYNAMICS; ALUMINUM; DIATOMIC molecules; GEOMETRIC function theory; TEMPERATURE effect
- Publication
International Journal of Thermodynamics, 2014, Vol 17, Issue 1, p27
- ISSN
1301-9724
- Publication type
Article
- DOI
10.5541/ijot.485