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W pracy przedstawiono wyniki rozkładów prędkości uzyskanych z modelu matematycznego SSIIM (Simulation of Sediment movements In water Intakes with Multiblock). Prędkości obliczono dla geometrii wyboju lokalnego pomierzonego w 2007 r. na i poniżej progu numer 4 (km 479+225) zlokalizowanego poniżej zbiornika retencyjnego Jeziorsko. Wykorzystany model zweryfikowano na podstawie własnych badań terenowych...
Korzystając z założeń kinematycznych Timoshenki, przedstawiono zagadnienie obliczania stateczności anizotropowych powłok cylindrycznych przy uwzględnieniu geometrycznej nieliniowości. Powłoka jest zbudowana z warstwowego materiału kompozytowego o jednej płaszczyźnie, która pokrywa się z jej powierzchnią środkową. Analizę numeryczną otrzymanych równań przeprowadzono metodą ortogonalizacji dyskretnej...
This article is devoted to the use of a mathematical model of a flood runoff for calculating rainfall runoff hydrographs from small catchments of the northwest coast of the Black Sea. The described model was tested and applied for the following catchments located in various geographical conditions, with various amounts of initial data: experimental catchments in Zacarpathian, the northwest of the...
The effect of microwave-convective heating on drying characteristics and colour change of lemon slices was investigated. The drying experiments were carried out at 180, 360, 540 and 720Wand at 22°C, with air velocity of 1ms-1. The values of effective moisture diffusivity were found to be in the range between 1.87 10-8 and 3.95 10-8 m2 s-1, and the activation energy was estimated to be 10.91 Wg-1....
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