2019-1-22The moisture ratio data were adapted to the nine thin-layer models that are typically used to model drying curves (Table 1) The moisture ratio (MR) values were calculated using Equations (1) and (2): MR M t M e M o M e (1) where M t corresponds to the moisture content at a given time (g water g dry matter-1) M o corresponds to the initial Determination of suitable thin layer drying curve model for some vegetables and fruits EK Akpinar Mathematical modelling of thin layer drying process of long green pepper in solar dryer and under open sun EK Akpinar Y Bicer Energy Conversion and Management 49 (6) 1367-1375 2008 146: 2008: Determination of the wind energy potential

Mathematical and Kinetic Modelling for Convective

2019-7-1The kinetic modelling of thin layer drying is performed with various agricultural products such as seeds grains fruits and some plant species with economic importance Sweet Potato ( Ipomoea batatas L ) is a widely consumed and its industrialization is on the increase The thin layer drying kinetics of sweet potato were experimentally investigated in a convective hot air dryer

Thin layer drying characteristics of dill leaves under fixed semi-fluidized and fluidized bed conditions were studied at air temperatures of 30 40 50 and 60C In order to find a suitable drying curve 12 thin layer-drying models were fitted to the experimental data of the moisture ratio Among the applied mathematical models the Midilli et al model was the best for drying behavior

In mathematical modeling the thin layer drying equations in table 2 were tested to select the best model for describing the drying curve of the apple slices Table 2 Mathematical models applied to drying curves Model no Model name Model References 1 Newton MR = exp(-kt) (Westerman et al 1973) 2 Page MR = exp(-ktn) (Page 1949)

Within the drying oven the pellets were placed as a thin-layer on a stainless steel bin connected to a scale (Ohaus SP402 NJ USA) of accuracy 0 01 g The data on the variation in the mass of the pellets were recorded and stored in a PC through an interface system ( Ohaus RS232 NJ USA ) using Microsoft HyperTerminal software

2017-6-19the drying characteristics drying time color properties phenolic content and specific energy consumption of dried Spirogyra sp undergoing laboratory-scale of the microwave drying In addition to this a proper mathematical model for thin-layer drying which can describe the drying characteristics of Spirogyra sp was investigated

DETERMINATION OF SUITABLE THIN

2018-7-4DETERMINATION OF SUITABLE THIN-LAYER DRYING MODELS FOR BREWER'S YEAST (Saccharomyces cerevisiae)Rolando Mendieta1 Masoud Haerinejad2 Apolinar Picado1 2 * 1Facultad de Ingeniera Qumica Universidad Nacional de Ingeniera (UNI) Av Universitaria Managua 11127 Nicaragua 2Department of Chemical Enginering and Technology KTH Royal Institute of Technology

2020-8-1This study was undertaken to investigate the drying characteristics of red and white varieties of onion (Allium cepa) in a convective dryer The drying characteristics of onion slices were examined at air temperatures of 50℃ 60℃ and 70℃ and sample thicknesses of 2 mm During the drying experiments air velocity was held stable at 0 9 m/s

2015-11-16fitted to 13 thin layer drying models Midilli [4] model gave the lowest RMSE and the highest regression coefficient values Hence the Midilli model was chosen to represent the thin layer drying of soybeans Akpinar [5] investigated suitable thin layer drying curve model for some vegetables and fruits This study presents a mathematical

2018-7-28the drying curve 5 different thin layer semi-theor A research was done on the effects of mathematical modelling of the thin layer drying of groundnuts (Kerstigiella geocarpa harms) at 67% Moisture Content (% dry basis ) and varying air temperatures of 45

This paper presents a new mathematical model for thin-layer drying process which was verified with experimental data A laboratory scale static-tray dryer was used to obtain the experimental data Carrot cubes were used for drying experiments Experiments were performed at air temperatures of

2019-5-26Determination of a suitable thin layer drying curve model for saffron (Crocus sativus L) stigmas in an infrared dryer Scientia Iranica 2011 18 (6) 1397-1401 DOI: 10 1016/j scient 2011 08 014 Luana Maggi Manuel Carmona Simon D

Drying time changed between 30 29 and 90 43 hours for different vegetables by the solar drying This drying time was between 48 59 and 121 81 hours for the natural sun drying Drying curves could be explained by determined thin layer drying models satisfactorily with very high determination coeffcients

2018-12-11In order to select a suitable form of the drying curve 12 different thin layer drying models were fitted to experimental data Fick's second law was used as a major equation to calculate the moisture diffusivity with some simplification The high values of coefficient of determination and the low values of reduced

Determination of a suitable thin layer drying curve

2011-12-1The main objective of this study is to determine and test the most appropriate thin layer drying model from between four thin-layer drying models namely Lewis Handerson and Pabis Page and Midilli and Kucuk for understanding the drying behavior of saffron stigmas in an infrared dryer 2 Materials and methods 2 1

2014-1-23Journal of Agricultural Technology 2013 Vol 9(5): 1097-1110 1097 Mathematical model on thin layer drying of of olive fruit (Olea europeae L ) Belgacem Mahdhaoui1 Ridha Fethi Mechlouch1 Ammar Mahjoubi1 Karim Zahafi2 and Ammar Ben Brahim1 1Applied Thermodynamic Research Unit (UR11ES80) National School of Engineering of Gabes Gabes University Avenue of Omar Ibn

Natural drying characteristics of sesame seeds (SS) were investigated under indoor conditions with both forced convection (FC) and natural convection (NC) of air The drying kinetics of SS was characterized in terms of effective diffusion coefficient and resistance to diffusion For the FC

Experimental determination of drying curves The drying experiments were carried out using a convective dryer designed and built in the Department of Food Engineering of Universidad de La Serena Akpinar E K (2006) Determination of suitable thin layer drying curve model for some vegetables and fruits J

Therefore the aim of this research was to study the characteristics of bamboo shoots Tabah drying by applying thin layer drying models Bamboo shoots split into two and four pieces were dried under drying air temperatures 50 o C 60 o C and 70 o C Instantaneous moisture content of the shoots are modeled by Newton and Page model