Е., Tannous K. Марковская модель периодической сушки частиц в коническом псевдоожиженном слое. <...> For citation: Mitrofanov A.V., Mizonov V.E., Tannous K. Markov chain model of particulate solids batch drying in a conical fluidized bed. <...> Мизонов, K. Tannous ), Вадим Евгеньевич Мизонов Кафедра прикладной математики, Ивановский государственный энергетический университет, Рабфаковская, 34, 153003, Иваново, Россия E-mail and2mit@mail.ru () Katia Tannous Chemical Engineering School, University of Campinas, Av. <...> Слой представлен двумя параллельными цепями ячеек идеального перемешивания: одна цепь для частиц и другая цепь для сушильного газа. <...> Ключевые слова: псевдоожижение, цепь Маркова, вектор состояния, матрица переходных вероятностей, сушка, содержание влаги, кинетика Izv. <...> Albert Einstein, 500 (Cidade Universitбria) 13083-852 - Campinas-SP, Brazil E-mail: katia@feq.unicamp.br MARKOV CHAIN MODEL OF PARTICULATE SOLIDS BATCH DRYING IN A CONICAL FLUIDIZED BED The objective of the present study is to develop a model to describe the hydrodynamics, heat and mass transfer in a conical fluidized bed with particles of strongly variable properties. <...> The proposed model is based on the Markov chains approach, and the wet potato mono-sized cubes are used as the model material. <...> Thus, the three new factors that influence the process are taken into account: variation of the superficial gas velocity over the bed height due to its conical shape, variation of particles mass due to drying and variation of particle size due to its shrinkage. <...> The bed is presented as two parallel chains of perfectly mixed cells: one chain for particulate solids, and one chain for the drying gas. <...> The evolution of particulate solids distribution over its chain is describes with the matrix of transition probabilities, which is state dependent and varies with time. <...> The model was validated at the lab scale fluidized bed dryer with the conical shape of reactor. <...> Key words: fluidization, Markov chain, state vector, matrix of transition probabilities, drying, moisture content, kinetics 1. <...> INTRODUCTION Fluidized bed reactors are widely used for thermal and chemical treatment of particulate solids in many industries. <...> In particular, they found broad <...>