نتایج جستجو برای: drying parameters

تعداد نتایج: 600653  

2012
Bhupendra Gupta Sanjeev Garg Mohan Singh Mukesh Pandey

The objective of this study was to develop a model for drying characteristic curve of Spinach in Universal Hot Air Oven .Drying experiment were conducted using a constant air velocity2.2m/s and three drying air temperature of 55, 65, and75 o C with two pretreatment conditions and load densities that are given respectively condition (Blanched and Unblanched) load density (3kg/m 2 , 3.5 kg/m 2 )....

2009
RODICA DIACONESCU MARIUS SEBASTIAN SECULA STELIAN PETRESCU

An artificial neural network study of gas drying by adsorption in fixed bed of composite materials is presented in this paper. The experimental investigations were carried out at two values of relative humidity and three values of air flow rate respectively. The experimental data were employed in the design of the feed forward neural networks for modeling the evolution in time of some adsorptio...

2017
Minh-Hue Nguyen William E. Price

Air-drying of banana slabs has been investigated and the influence of experimental parameters such as temperature, relative humidity and slab thickness has been studied. This was in part re-investigated because of inconsistencies in previous studies, particularly in relation to derived water diffusion coefficients. In addition, it is shown that harvest season and hence initial moisture content ...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
l. momenzadeh a. zomorodian d. mowla

in this search drying characteristics of green pea (pisum satium) with an initial moisture content of 76% (db) was studied in a fluidized bed dryer assisted by microwave heating. four drying air temperatures (30, 40, 50 and 60ºc) and five microwave powers (180, 360, 540, 720 and 900w) were adopted. at each drying operating conditions the volume of green pea was calculated by measuring the three...

Journal: :مهندسی بیوسیستم ایران 0
حامد امیرنجات کارشناس ارشد، دانشگاه تربیت مدرس محمدهادی خوش تقاضا دانشیار، دانشگاه تربیت مدرس حسن پهلوان زاده استاد، دانشگاه تربیت مدرس

one of the new techniques applied in the drying process of food stuffs that can increase the drying rate, enhanced the product quality, and while decresing the costs of processing is an application of infrared radiational energy. in this study the thin layer drying process of button mushroom was modeled through an infrared applied drying method. drying experiments with sliced samples of button ...

Journal: :The Analyst 2011
Peter Hamilton David Littlejohn Alison Nordon Jan Sefcik Paul Slavin Paul Dallin John Andrews

The evaporation of methanol from needle-shaped particles of cellobiose octaacetate (COA) has been studied directly in a jacketed vacuum drier using in situ measurements by Raman spectrometry. A design of experiments (DoE) approach was used to investigate the effects of three parameters (method of agitation, % solvent loss on drying and jacket temperature), with the intention of minimising the d...

Journal: :پژوهش های علوم و صنایع غذایی ایران 0
aram bostan aram bostan aram bostan

in this study, mathematical modeling of hot air-drying of thin-layer papaya (carica papaya l.) slices with 5±1 mm thickness pretreated in osmotic solution (50% sucrose) was investigated. thin-layer drying was conducted under three different drying temperatures of 40, 50 and 60 °c at a constant air velocity of 0.9±0.1 m/s and absolute humidity of 0.6 ± 0.02 g of water/kg of dry air. it was found...

Journal: :مهندسی بیوسیستم ایران 0
حمیدرضا گازر رامین حسین خواه

canola is known as an important oilseeds crop throughout the world. cultivation and subsequent oil extraction of this crop has gained substatantial development in recent years in iran. many parts of iran (northern provinces) especially golestan and mazandarn are of high relative humidity during harvesting season as well as during storage periods. spoilage and rancidity are problems more encount...

2014
A. K Senapati P. S. Rao Suresh Prasad

Application of microwave for drying of ashwagandha roots was investigated. A laboratory convective microwave dryer was already developed which had the provision of regulating of air temperature, air velocity and microwave power. Ashwagandha roots of uniform size were used in the drying experiment which were carried out at air temperatures of 40, 50 and 60°C, air velocities of 1.0 and 1.5 m/s an...

2015
Yusuf A. Haggag Ahmed M. Faheem

Citation: Haggag YA and Faheem AM (2015) Evaluation of nano spray drying as a method for drying and formulation of therapeutic peptides and proteins. The high sensitivity of peptides and proteins to physicochemical stresses during processing and storage is the major hurdle against its pharmaceutical applications. Peptide-based drug formulations are commonly prepared as solid dosage forms becaus...

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