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Now showing items 11-20 of 32
Aplicação da fluidodinâmica computacional (CFD) no estudo do escoamento de ar e deposição de partículas em vias aéreas pulmonares
(Universidade Federal de São Carlos, 2014-02-28)
The industrialization process and the fast growth of cities lead to an increase of respiratory diseases and, therefore, lead to the beginning of studies involving particle deposition in human lung airways. This work used ...
Influência de aspectos geométricos na hidrodinâmica e transferência de oxigênio de biorreatores airlift de circulação interna
(Universidade Federal de São Carlos, 2014-02-28)
The performance of pneumatic bioreactors is highly related to their geometric characteristics, such as the bottom clearance, riser to downcomer cross sectional area ratio, liquid height and the gas-liquid separator design. ...
Modelagem e simulação em plantas de etanol: uma abordagem técnico-econômica
(Universidade Federal de São Carlos, 2013-07-26)
The ethanol (fuel grade and anhydrous) is, fundamentally, the most relevant global biofuel nowadays, in energy, environmental, economic and technological terms. This scenario brings up the Brazilian ethanol, made from ...
Aplicação da fluidodinâmica computacional na avaliação da hidrodinâmica de estágio em colunas de destilação
(Universidade Federal de São Carlos, 2012-03-26)
The development of the design of chemical processes has received increasing improvement, incorporating sophisticated mathematical models, which allowed better simulation of its real behavior. The distillation column is one ...
Produção de hidrogênio em reator anaeróbio de leito fluidizado a partir de glicerol bruto sob condições termofílicas
(Universidade Federal de São Carlos, 2014-03-25)
This study aimed to evaluate the influence of the hydraulic retention time (HRT) on hydrogen production using crude glycerol as a substrate in an anaerobic fluidized bed reactor (AFBR ) . The reactor had a volume of 1979 ...
Controle preditivo não linear para sistemas de parâmetros distribuídos
(Universidade Federal de São Carlos, 2014-08-28)
In general, the chemical processes can be represented using mathematical models, in the case of lumped systems include ordinary differential equations, or, partial differential equations, when distributed parameter systems ...
Hidrólise enzimática da palha de cana-de-açúcar: estudo cinético e modelagem matemática semi-mecanística
(Universidade Federal de São Carlos, 2015-03-06)
For biofuels production, the recovery of lignocellulosic feedstock is seen as a promising alternative, both from environmental and economic point of views. Among the lignocellulosic biomasses most important in Brazil, ...
Determinação da força de adesão através da técnica centrífuga entre partículas e membranas filtrantes
(Universidade Federal de São Carlos, 2013-05-23)
The study of micrometric and nanometric particle adhesion to surfaces have excelled in various technological fields. The adhesion has a significant role in the pharmaceutical industry, food, in the pneumatic conveying of ...
Análise comparativa de diferentes tratamentos para reduzir a deterioração de tomates
(Universidade Federal de São Carlos, 2013-03-07)
Due to their high moisture content, tomatoes have a high metabolic activity that continues even after harvesting, making them a highly perishable vegetable. According to FAO, Brazil is the largest tomato producer in South ...
Análise da escoabilidade de pós
(Universidade Federal de São Carlos, 2012-03-08)
There are many industries which use powders somewhere in their production process, such as: food, pharmaceuticals, ceramics, cement and fertilizer industries. The knowledge of properties associated with the flowability of ...