Alternative Fuel: Hydrogen and its Thermodynamic Behaviour

Author:

Balasubramanian R.ORCID,Abishek A.,Gobinath S.,Jaivignesh K.

Abstract

Hydrogen is a contender for alternative energy. Hydrogen fuel cell vehicles and hydrogen-based low-carbon fuels will contribute to the decarburization of the mobility sector, shipping and aviation. Hydrogen is used as a rocket fuel. In addition, petroleum refining, semiconductor manufacturing, aerospace industry, fertilizer production, metal treatment, pharmaceutical, power plant generator, methanol production, commercial fixation of nitrogen from air reduction of metallic ores. Also, hydrogen is used to turn unsaturated fats into saturated fats and oils. In the enhancement of NMR and MRI signals, parahydrogen is used. Parahydrogen and orthohydrogen are nuclear spin isomers of hydrogen. At room temperature, the normal hydrogen at thermal equilibrium consists of 75% orthohydrogen and 25% parahydrogen. The development of hydrogen technology requires knowledge of the thermophysical properties of hydrogen. The second virial coefficient characterizes the primary interaction between the molecules. Therefore, knowledge of the second virial coefficient enables one to determine the pairwise molecular interaction and, in turn, the thermodynamic behaviour of hydrogen. The present study is based on three parameter modified Berthelot Equation of state aims to determine the second virial coefficient of hydrogen and its isomers, i.e., orthohydrogen and parahydrogen, over a wide range of temperatures, from the boiling point to the Boyle point. The obtained results are compared with those of the van der Waals Equation of state, Berthelot Equation of state, Tsonopoulos correlation, McGlashan & Potter correlation, Yuan Duan correlation, Van Ness & Abbott correlation, and McGlashancorrelation. The results of this work agree well with those of other correlations in the high temperature region. Doi: 10.28991/HEF-2022-03-02-05 Full Text: PDF

Publisher

Ital Publication

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