Constant Coefficients
Mostrando 1-12 de 174 artigos, teses e dissertações.
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1. Behavior of the effective heat transfer coefficient and global thermal resistance in freezing of fruit juice model solutions in cylindrical packages
Abstract In this study the effect of packing on freezing time, effective heat transfer coefficient and global thermal resistance were evaluated during the freezing of fruit juice model solution in an air blast freezer. Two configurations were arranged with 40 buckets and 15 kg of solution in each, totaling 600 kg. Thermocouples were installed to monitor the
Food Sci. Technol. Publicado em: 2020-12
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2. Performance evaluation of GSA, SOS, ABC and ANN algorithms on linear and quadratic modelling of eggplant drying kinetic
Abstract In this study, kinetics of eggplant drying was modeled in the laboratory-scaled Food Drying Oven (FDO) with resistance heater was designed and manufactured. The temperature, energy consumption and drying time of FDO were recorded by keeping the temperature of at different temperatures as 40, 50 and 60 °C. These saved values were chosen as the input
Food Sci. Technol. Publicado em: 2020-09
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3. Performance evaluation of GSA, SOS, ABC and ANN algorithms on linear and quadratic modelling of eggplant drying kinetic
Abstract In this study, kinetics of eggplant drying was modeled in the laboratory-scaled Food Drying Oven (FDO) with resistance heater was designed and manufactured. The temperature, energy consumption and drying time of FDO were recorded by keeping the temperature of at different temperatures as 40, 50 and 60 °C. These saved values were chosen as the input
Food Sci. Technol. Publicado em: 20/12/2019
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4. Cinética de secagem e propriedades termodinâmicas da polpa de patauá (Oenocarpus bataua Mart.)
Resumo O patauá é uma fruta amazônica que, devido às suas propriedades sensoriais e nutricionais atrativas, tem despertado o interesse da comunidade científica. Entretanto, o elevado conteúdo de umidade confere alta perecibilidade ao produto fresco. Assim, objetivou-se estudar a cinética de secagem convectiva e determinar as propriedades termodinâmic
Braz. J. Food Technol.. Publicado em: 25/11/2019
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5. Processos hidrológicos em uma sub-bacia do Parque Estadual da Serra do Mar, núcleo Santa Virgínia
Resumo O presente estudo busca caracterizar o funcionamento hidrológico de uma sub-bacia com cobertura de Mata Atlântica, localizada no Parque Estadual da Serra do Mar, núcleo Santa Virgínia. Para isso, foram monitorados entre os anos de 2008 e 2009, alguns processos hidrológicos: escoamento superficial, umidade do solo (0,15, 0,30, 0,50 e 0,90 metros d
Ciênc. Florest.. Publicado em: 30/09/2019
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6. Theoretical and Experimental Heat Transfer in Solid Propellant Rocket Engine
ABSTRACT: Accurate determination of heat flux is an important task not only in the designing aspect, but also in the performance analysis of rocket engines. In this purpose, this work deals with the heat flux determination in a combustion chamber through the inverse method. In this approach, the transient heat flux is determined from the experimental tempera
J. Aerosp. Technol. Manag.. Publicado em: 26/08/2019
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7. PREDICTION OF 100 METERS SPRINT PERFORMANCE BASED ON FIELD TEST
RESUMO Introdução: A prova de 100 metros rasos (100 m) apresenta um apelo especial. Treinadores e pesquisadores buscam compreender os determinantes do desempenho nessa tarefa. Embora informações tenham sido desenvolvidas ao longo dos anos, elas não são completamente aplicadas pelos treinadores que, em geral, avaliam o sucesso dos métodos de treinamen
Rev Bras Med Esporte. Publicado em: 29/07/2019
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8. Dehydration of infrared ginger slices: heat and mass transfer coefficient and modeling
RESUMO A desidratação de produtos vegetais prolonga sua vida útil e reduz sua massa e volume, o que aumenta a eficiência de transporte e armazenamento e agrega valor aos alimentos. No entanto, é um processo intensivo em energia e tempo, tornando necessária a busca por tecnologias mais eficientes. Diante do exposto, objetivou-se investigar o processo de
Ciênc. agrotec.. Publicado em: 02/05/2019
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9. Hankel transformation method for solving the Westergaard problem for point, line and distributed loads on elastic half-space
Abstract The Hankel transformation method was used in this work to determine the normal and shear stress distributions due to point, line and distributed loads applied to the surface of an elastic media. The elastic media considered in this study was assumed to be inextensible in the horizontal directions, and the only non-vanishing displacement component is
Lat. Am. j. solids struct.. Publicado em: 04/02/2019
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10. Development of a Dissolution Test for Fenbendazole-Praziquantel Capsules Using UV-PLS Method
A dissolution test for capsules containing 50 mg of praziquantel and 500 mg of fenbendazole was developed and validated. The optimal conditions were an USP apparatus 2 with paddles rotating at 75 rpm, 900 mL dissolution medium (a mixture of 300 mL of ethanol and 600 mL 0.5 mol L-1 HCl), at 37.0 ± 0.5 °C. Both analytes achieved with sink conditions. A publi
J. Braz. Chem. Soc.. Publicado em: 2017-06
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11. Wasted cabbage (Brassica oleracea) silages treated with different levels of ground corn andsilage inoculant
Our objective was to evaluate the chemical composition, fermentation profile, and aerobic stability of cabbage silages treated with ground corn and inoculant. The evaluated treatments were: addition of 200, 300, 400, 500, and 600 g of ground corn per kilogram of cabbage (fresh matter basis), with or without a bacterial inoculant composed of Lactobacillus pla
R. Bras. Zootec.. Publicado em: 2015-08
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12. EFFECT OF ROTATION RATES ON THE LAMINAR FLOW AND HEAT TRANSFER PAST A CIRCULAR CYLINDER
AbstractIn this work, forced convection heat transfer past a rotating circular cylinder with a constant non-dimensional rotation rate α varying from 0 to 6 was investigated for Reynolds numbers of 20-200 and a Prandtl number of 0.7. The numerical calculations are carried out by using a finite-volume method based commercial computational fluid dynamics solve
Braz. J. Chem. Eng.. Publicado em: 2015-06