Coffee – Drying – Mathematical models
ARTIGO_Adjustment of Mathematical Models and the Quality of Drying the Pulped Coffee at Different Air Conditions
... experimental drying data conducted with different air humidity (40%, 50% and 60%), temperatures (23, 40 and 60 °C) and the quality of the ...cherries coffee were separated and standardized in the processes ...
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SIMULATION OF COFFEE FRUIT DRYING USING COMPUTATIONAL FLUID DYNAMICS
... aBStRact: Drying is a fundamental step in post-harvest handling of coffee because moisture content at the end of drying affects several important aspects, such as sensory quality, storability, and ...
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Drying kinetics of processed natural coffee with high moisture content
... and drying method and evaluates the behavior of grains subjected to this process through the water reduction rate and the adjustment of different mathematical ...natural coffee dried to moisture ...
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MATHEMATICAL MODELLING AND IMMEDIATE AND LATENT QUALITY OF NATURAL IMMATURE COFFEE UNDER DIFFERENT DRYING CONDITIONS
... harvested coffee fruits were used and dried to a mean water content of ...After drying, the kinetic curve and the physical and physiological properties were ...The coffee was stored in permeable ...
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Mathematical modeling of drying the pulped coffee (Coffea arabica l.) at different air conditions
... the models of Oswin, Sigma Copace, and Copace showed satisfactory adjustments to the experimental data of equilibrium moisture content of the washed coffee, with better results for the Oswin model (Table ...
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Mathematical modeling of pequi pulp drying and effective diffusivity determination
... the models of Page, Henderson & Pabis and Newton, it showed trend of decrease with the increment of layer thickness for a constant ...the drying rate decreases and, consequently, k also ...the ...
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Mathematical models applied to the optimisation of mixtures in the production of silage from coffee by-products
... Once the treatments had been prepared, they were placed into silo prototypes made from PVC, 250 mm in diameter and 750 mm high, and kept for a period of 60 days in a shed, protected from light. After this period, the ...
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Mathematical modeling of the foam-mat drying curves of guava pulp
... the drying, it is possible to determine the behavior of the solid material based on the drying ...the drying and drying rate curves (Menezes et ...The mathematical representation of the ...
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Effect of intermittent drying and storage on parchment coffee quality
... the coffee was determined by the International Organization Standardization (ISO) 6673 standard method ...the drying process, the mass equivalent to the moisture content at which the drying should be ...
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Modeling of the shrinkage kinetics of coffee berries during drying
... of drying conditions on the shrinkage of Coffea arabica ...the coffee berries. Coffee berries were dried at temperatures (T) of 35, 45, 55 and 65ºC and at relative humidities (φ) of 25, 35, 45 and ...
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Mathematical Study of Schistosoma Mekongi Models: Application to Laos
... This model was introduced by Macdonald ( Macdonald , 1965 ) in 1965. It is the rst mathematical model for the transmission of Schistosomiasis. The transmission of Schis- tosomiasis can be thought of as a closed ...
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Mathematical methodologies for calculating the mass diffusion coefficient of bananas during drying
... R. Mathematical modelling and numeri- cal simulation of drying processes to identify the mass diffusion coefficient of ...A. Drying kinetics of apri- ...
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Mathematical Biology, II. Spatial Models and Biomedical Applications.
... In the case of spots they could also determine which of the tessalation spot ar- rangement patterns would be stable. They compared the robustness and sensitivity of different models and confirmed the results with ...
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Statistical evaluation of mathematical models for Salmonella typhimurium growth
... Roberts mathematical modeling (1994) and quadratic ...The mathematical modeling shows linear and immediate growth from lag phase until the end of the exponential ...the mathematical modeling is ...
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Mathematical models for educational simulation of uterine contractions during labor
... The truncated Gaussian function used as the base waveform of uterine contractions fits a typical tracing. Nevertheless, some patterns of uterine contractions may deviate from the bell-shape form. A common deviation ...
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Mathematical models of anaerobic digestion for the treatment of swine effluents
... Durand et al. (1986) observed high correlation between the results obtained from experimental analyses and those generated from prediction models, with only 6 % of divergence for methane production in ...
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QUALITY OF NATURAL COFFEE DRIED UNDER DIFFERENT TEMPERATURES AND DRYING RATES
... The coffee was harvested manually, selecting only mature fruit. After that, fruits with lower specific weight (dried out, attacked by insects, malformed, etc.) were removed through separation in water, and then ...
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Physical properties of robusta coffee berries during drying: determination and modelling
... of coffee berries (Coffea canephora) during drying. Ripe coffee berries with initial moisture content of ...the drying process were evaluated angle of repouse, bulk and true density, porosity ...
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Simulação e avaliação de sistemas de secagem de caféSimulation and evaluation of coffee drying systems
... Tabela 9 – Resultados observados experimentalmente nos três testes referentes ao tratamento 3, no secador intermitente, de colunas, de fluxos cruzados V Parâmetros 1 Do produto Teor de u[r] ...
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Outcome Prediction in Mathematical Models of Immune Response to Infection.
... of mathematical models for the immune response to ...ODE models by randomly selecting the model parameters from distributions with coefficients of variation v that are centered on physiological ...
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