L. Trajkovski and A. Lazarevska (FYROM)
Modelling, simulation, numerical methods, finiteelements method (FEM), unsteady viscous gas flow.
The objective of this paper is to investigate the dependencies between signal's temporal delay versus the change of pressure and length Lz at pneumatic installations. A mathematical model of an unsteady adiabatic gas flow in small diameter pipeline is proposed. An adequate numerical algorithm and computer packages incorporated in the software TLFLOW are developed. Numerical simulations of the unsteady flow phenomena in the pneumatic systems with local resistance are performed and analyzed.
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