Estimation of sharma constant and thermoacoustic properties of fatty acids |
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| Authors: | M. S. R. Subrahmanyam H. Sumathi Vedanayagam D. Venkateshwar Rao A. Rajaiah P. Venkatacharyulu |
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| Affiliation: | (1) Pragathi Mahavidyalaya College, Hyderabad;(2) Indian Institute of Chemical Technology, Hyderabad;(3) Department of Physics, Nagarjuna University, 522 510 Nagarjunanagar, Guntur, India |
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| Abstract: | From the volume expansivity α, a number of thermoacoustic parameters, including the Sharma constant,S 0, are estimated for four fatty acids as a function of temperature. The Sharma constant, which was established to be a constant with the characteristic value 1.11 ± 0.01 over a number of systems investigated by earlier investigators, is also found to be a constant with the same value for all fatty acids under investigation. Further, the Sharma constant,S 0, is independent of temperature and dependent only on α. All other parameters estimated are discussed and compared with the values reported in the literature by earlier workers for different systems. |
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| Keywords: | Density fatty acids Huggin’ s Parameter isochoric temperature coefficient of internal pressure isochoric temperature coefficient of volume expansion reduced compressibility reduced volume Sharma constant thermoacoustic properties volume volume expansivity |
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