ТАВРІЙСЬКИЙ ДЕРЖАВНИЙ
АГРОТЕХНОЛОГІЧНИЙ УНІВЕРСИТЕТ
ІМЕНІ ДМИТРА МОТОРНОГО
Tsatu logo DMYTRO MOTORNYI
TAVRIA STATE
AGROTECHNOLOGICAL UNIVERSITY
ISSN: 2524-0714

Please use this identifier to cite or link to this item: http://elar.tsatu.edu.ua/handle/123456789/12639
Title: Mathematical modeling of theim pulse bubbling process of bulk mass by the coolant flow
Authors: Rogovskii, I. L.
Palamarchuk, I. P.
Kiurchev, Serhii
Кюрчев, Сергій Володимирович
Кюрчев, Сергей Владимирович
Verkholantseva, Valentyna
Верхоланцева, Валентина Олександрівна
Верхоланцева, Валентина Олександровна
Voinash, S. A.
Sokolova, V. A.
Gogolevski, A. S.
Keywords: mathematical modeling
bubbling process
Issue Date: 2020
Series/Report no.: IOP Conference Series: Materials Science and Engineering;(P. 1-7)
Abstract: The main directions of pneumodynamic system usage for storage of bulk agricultural products are bubbling and pneumatic mixing; loading and unloading of technological masses. During pneumodynamic impulse wave formation with alternation of supersonic and subsonic zones, which are limited by shock waves, sound force increasing on the technological mediumabout 150…170 dB, pressure increasing on the product mass due to compressionstretching at the pulse limits to amplitudes of 6…15 barare caused, that promotes implementation of loosening processes during the grain material storage.The developed scheme of the studied process involves the opposite arrangement of pneumatic impulse generators, which allows the formation of a stationary wave, that spreads the pulse energy in both longitudinal and transverse directions, covering the maximum space of the free flowing technological medium. Using the method of D'Alembert for solving the equations, methods of mathematical analysis and their processing in the MathCAD mathematical environment graphical and analytical dependences of force parameters of oscillatory system have been obtained. Choosing an effective mode of pneumodynamic loosening, the force pulse magnitude and the regularities of its change under conditions of the highest mechanical resistance of the free-flow mass have been used as the evaluation criteria the standing wave energy.
URI: http://elar.tsatu.edu.ua/handle/123456789/12639
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