Navegando por Assunto "Secagem pneumática"
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Item Acesso aberto (Open Access) Estudo experimental do secador pneumático vertical(Universidade Estadual de Campinas, 1986-02-17) FARIA, Lênio José Guerreiro de; SANTANA, Cesar Costapinto; http://lattes.cnpq.br/8458559657676452This work is related with studies on the performance of a vertical pneumatic dryer on a well instrumented pilot plant. Experiences were rea1ized with sand particles with a mean diameter of 0.46mm and 0.55mm and glass spheres with a mean diameter of 0.24mm, in a drying tube with 4m high and an inside diameter of 5.25cm, aiming the determination of the air humidity, temperature and pressure profiles along the dryer, also entrance and exit moisture contents of solids can be obtained. Psychrometers were designed to measure the air humidity above 1000e and they are used to determine the humidity and temperature profiles. It is presented a1so a dryer simulation study that utilizes a unidimensional model, where the basic of the momentum, energy and mass conservation equations for particulated systems are integrated, and a comparison between the simulated and experimental results is done.