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The efficiency of the gaver-stehfest method to solve one-dimensional gas flow model

Wójcik M., Szukiewicz M., Kowalik P., Próchniak W.

Advances in Science and Technology. Research Journal

2017

Vol. 11, no 1

246--252

In this paper we examined the efficiency of one of the methods for numerical inversion of the Laplace transform: the Gaver-Stehfest method to find a solution to a one-dimensional gas flow model with axial dispersion. The algorithm was used to determine values of the axial dispersion coefficients DL and Pèclet numbers Pe on the basis of the pulse tracer technique. The obtained results of Pèclet numbers indicate that the gas flow is neither plug fl ow nor perfect mixing under operation condition. Numerical results are provided to confirm the efficiency of the presented method. Calculations were performed with the use of the CAS program type (Maple®).