drying kinetics and effective moisture diffusivity of
Processes
Effective diffusion coefficient of moisture in pomegranate arils ranged from 4 81 10 −9 and 1 11 10 −8 m 2 s −1 for the Acco cultivar for the Herskawitz cultivar 3 29 10 −9 and 1 01 10 −8 m 2 s −1 and for the Wonderful cultivar 5 83 10 −9 and 1 09 10 −8 m 2 s −1 Overall blanching resulted in low energy
Processes
Effective diffusion coefficient of moisture in pomegranate arils ranged from 4 81 10 −9 and 1 11 10 −8 m 2 s −1 for the Acco cultivar for the Herskawitz cultivar 3 29 10 −9 and 1 01 10 −8 m 2 s −1 and for the Wonderful cultivar 5 83 10 −9 and 1 09 10 −8 m 2 s −1 Overall blanching resulted in low energy
International ood Research Journal
Drying kinetics and moisture diffusivity study of ripe Jackfruit Abstract This study presents the mathematical model of thin layer drying behavior of ripe jackfruit (Artocarpus heterophyllus) The experiment was conducted at four different temperatures i e 50 60 70 and 80C using a tray dryer At varying temperature the dry basis moisture
Effect of Microwave Infrared and Freeze Drying Methods on
2 6 Determination of effective moisture diffusivity According to the 2nd law of Fick on the diffusion Equation drying of agricultural products with a declining rate during a time frame is symbolized by using a mass-diffusion equation as Equation (3): 3 Table 1-Thin layer drying models used for the turmeric drying kinetics
Cold plasma: an emerging pretreatment technology for the
Modified Henderson Pabis model and Two‐term model were the two most recommended models for describing the drying kinetics of jujube slices Cold plasma pretreatment improved the contents of procyanidins flavonoids and phenolics by 53 81% 33 89% and 13 85% at most respectively and thereby enhanced antioxidant capacity by 36 85% at most
MATHEMATICAL MODELING OF GREEN PEPPER DRYING IN
The effects of microwave power on drying rate effective moisture diffusivity and energy consumption of green pepper were studied at four different microwave powers of 180 360 540 and 720W The drying data were fitted to the four thin-layer drying models The moisture reduction of the green pepper samples from 2 894 to 0 1 kg water kg-1 dry
Drying kinetics and effective diffusion of watermelon
Drying kinetics and effective diffusion of watermelon seeds Autores: Valdiney Cambuy Siqueira Geraldo Acacio Mabasso Wellytton Darci Quequeto Caroline Ramos da Silva Elton Aparecido Siqueira Martins Eder Pedroza Isquierdo Localizacin: Research Society and Development ISSN-e 2525-3409 Vol 9 N 4 2020 Idioma: ingls Enlaces Texto completo
Moisture Diffusivity of Fiber Reinforced Silica Fume Mortars
The moisture diffusivity is of considerable importance for quantitative assessments of creep and shrinkage as well as durability of cementitious material For this reason the influence of the composition of repair mortars on their effective moisture diffusivity as a function of the relative humidity of the surrounding air was investigated
An overview of fish drying kinetics
Sep 09 2019However based on this effective moisture diffusivity could be a useful parameter to design an effective drying method in terms of time energy consumption and cost to prolong the storage life of dried fish samples Drying kinetics and different drying models were considered and explained
EFFECT OF TEMPERATURE ON DRYING KINETICS
equilibrium moisture content within a time range of 210-390 min under these drying conditions Moisture transfer from papaya slices was described by applying the Fick's diffusion model and the effective diffusivity changes between 1 27 10-9 and 3 78 10 Effective diffusivity increased with increasing temperature
Drying kinetics and effective moisture diffusivity of
Abstract The effects of microwave drying on moisture content moisture ratio drying time and effective moisture diffusivity of purslane leaves (Portulaca oleracea L ) were investigated By increasing the microwave output power (180–900W) and the sample amounts (25–100 g) the drying time decreased from 43 to 12 5 minutes and increased from 27 to 54 minutes
Drying kinetics and modeling of savory leaves under
drying curves of savory leaves by higher correlation of the coefficients and lower reduced SSE and RMSE Effective moisture diffusivity was calculated on the basis of Fick's second law The moisture diffusion coefficient varied between 6 7614310-12 and 1 5701810-10 m2/s for
Effect of Ethyl Oleate Pretreatment on Drying of Ginger
The effective diffusivity of the material can be calculated by assuming constant moisture diffusivity temperature and negligible shrinkage during drying process using the following equation: where is the effective diffusivity is the half of the length of ginger slice and is the corresponding drying time
Drying kinetics and modeling of savory leaves under
drying curves of savory leaves by higher correlation of the coefficients and lower reduced SSE and RMSE Effective moisture diffusivity was calculated on the basis of Fick's second law The moisture diffusion coefficient varied between 6 7614310-12 and 1 5701810-10 m2/s for
Sorption isotherms and drying kinetics of grapefruit seeds
Effective moisture diffusivity in grapefruit seeds ranged from 4 36 10-10 to 6 82 10-10 m s-1 The temperature dependence of the effective diffusivity followed an Arrhenius relationship and the activation energies were 12 23 11 29 and 11 79 kJ mol-1 for dried grapefruit seeds under air velocities of 0 6 1 0 and 1 4 m s-1 respectively
MODELLING OF THIN LAYER SOLAR DRYING KINETICS AND
Urtica dioica leaves was described by applying the Fick's diffusion model Effective moisture diffusivity of the product was in the range of 9 38 – 72 9210-11 m2/s A value of 88 49 kJ/mol was determined as activation energy Keywords: Forced convection Drying kinetics Urtica dioica Effective diffusivity Activation energy 1
Drying kinetics and modeling of savory leaves under
drying curves of savory leaves by higher correlation of the coefficients and lower reduced SSE and RMSE Effective moisture diffusivity was calculated on the basis of Fick's second law The moisture diffusion coefficient varied between 6 7614310-12 and 1 5701810-10 m2/s for
The impact of solar convective drying on kinetics
Effective moisture diffusivity was in the range of 5 07 10 −11 and 3 14 10 −10 m 2 s −1 An activation energy was found to be 37 81 kJ/mol Additionally effective moisture diffusivity increases with the increase in drying air temperature and air flow
Modeling microwave drying kinetics and moisture
Omolola A O et al Modeling microwave drying kinetics and moisture diffusivity of banana within 10-12 and 10-8 m2/s The influence of drying Vol 7 No 6 procured from a farm in Limpopo Province of South temperatures on moisture diffusivity and quality attributes Africa were used in the study of dried banana slices in terms of volatile compounds
Intermittent Microwave Drying of Apple Slices: Drying
were to (1) settle the effect of different intermittent microwave conditions on thin layer drying kinetics of apple samples (2) pick the most favorable drying models and (3) evaluate the quality of dried apples by analyzing the effective moisture diffusivity and rehydration ratio parameters 2 Material and Methods 2 1 Drying equipment
Drying kinetics of banana (Musa spp )/Cinetica del secado
Jun 01 2015Free Online Library: Drying kinetics of banana (Musa spp )/Cinetica del secado de bananas (Musa spp )/Cinetica da secagem de bananas (Musa spp ) by Interciencia Humanities general Philosophy and religion Social sciences general
EFFECT OF TEMPERATURE ON DRYING KINETICS
equilibrium moisture content within a time range of 210-390 min under these drying conditions Moisture transfer from papaya slices was described by applying the Fick's diffusion model and the effective diffusivity changes between 1 27 10-9 and 3 78 10 Effective diffusivity increased with increasing temperature
Microwave heat treatment of leek: drying kinetic and
Aug 01 2008The effect of microwave drying technique on moisture ratio drying time and effective moisture diffusivity of white and green parts of leek (Allium porrum) were investigated By increasing the sample amount (100-300 g) at constant microwave output power of 180 W the drying time increased from 52 to 130 min and increased from 55 to 135 min for
Drying kinetics quality and moisture diffusivity of
Dec 01 2019The effective moisture diffusivity for black pepper increased with increasing drying temperature Highest effective diffusivity of 2 03 10 -10 m 2 /s was obtained at 75 C Activation energy of black pepper was found to be 38 59 kJ/mol and pre-exponential factor of Arrhenius equation was 1 25 10 -4 m 2 /s over the range of drying temperatures under investigation in
Cold plasma: an emerging pretreatment technology for the
Modified Henderson Pabis model and Two‐term model were the two most recommended models for describing the drying kinetics of jujube slices Cold plasma pretreatment improved the contents of procyanidins flavonoids and phenolics by 53 81% 33 89% and 13 85% at most respectively and thereby enhanced antioxidant capacity by 36 85% at most
Moisture Diffusivity of Fiber Reinforced Silica Fume Mortars
The moisture diffusivity is of considerable importance for quantitative assessments of creep and shrinkage as well as durability of cementitious material For this reason the influence of the composition of repair mortars on their effective moisture diffusivity as a function of the relative humidity of the surrounding air was investigated
Drying kinetics and characteristics of combined infrared
Oct 28 2016Infrared-vacuum drying characteristics of button mushroom (Agaricus bisporus) were evaluated in a combined dryer system The effects of drying parameters including infrared radiation power (150–375 W) system pressure (5–15 kPa) and time (0–160 min) on the drying kinetics and characteristics of button mushroom slices were investigated
Sorption isotherms and drying kinetics of grapefruit seeds
Effective moisture diffusivity in grapefruit seeds ranged from 4 36 10-10 to 6 82 10-10 m s-1 The temperature dependence of the effective diffusivity followed an Arrhenius relationship and the activation energies were 12 23 11 29 and 11 79 kJ mol-1 for dried grapefruit seeds under air velocities of 0 6 1 0 and 1 4 m s-1 respectively






