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Determination of Natural Logarithm of Diffusion Coefficient and Activation Energy of Thin Layer drying Process of Ginger Rhizome Slices

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World Journal of Engineering and Technology 2024年第1期12卷 213-228页

作者： Austin Ikechukwu Gbasouzor Sam Nna Omenyi Sabuj Mallik Jude E. Njoku Department of Agricultural and Biological Engineering College of Engineering Purdue University West Lafayette IN USA Department of Mechanical Engineering Nnamdi Azikiwe University Awka Nigeria Department of Mechanical and Manufacturing and Built Environment School of Engineering University of Derby Derby UK Faculty of Engineering and Science University of Greenwich Kent UK

This study is an extension of the previous work done with ARS-680 Environmental Chamber. drying is a complex operation that demands much energy and time. drying is essentially important for preservation of ginger rhizome. drying of ginger was modeled, and then the effective diffusion coefficient and activation energy were determined. For this purpose, the experiments were done at six levels of varied temperatures: 10°C, 20°C, 30°C, 40°C, 50°C and 60°C. The values of effective diffusion coefficients obtained in this work for the variously treated ginger rhizomes closely agreed with the average effective diffusion coefficients of other notable authors who determined the drying kinetics and convective heat transfer coefficients of ginger slices.

关键词： Activation Energy Diffusion Coefficients Ginger Rhizomes drying Model drying time Moisture Ratio Thin Layer

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Industrial and Small-Scale Biomass Dryers:An Overview

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Energy Engineering 2021年第3期118卷 435-446页

作者： P.Murugan S.Dhanushkodi K.Sudhakar Vincent H.Wilson Department of Mechanical Engineering St.Anne’s College of Engineering and Technology(Affiliated to Anna University)Tamilnadu607106India School of Engineering and Technology PRIST UniversityPuducherry605007India Faculty of Mechanical and Automotive Engineering Technology University Malaysia PahangPahang26600Malaysia Automotive Engineering Centre University Malaysia PahangPahang26600Malaysia Department of Technology Management School of Mechanical EngineeringVellore Institute of TechnologyVellore632014India

The quality of the drying process depends mainly on the efficient use of thermal *** systems based on solar energy takes a leading role in the drying of agro-products because of low operating ***,they are limited in use during off–sun *** dryer is one of the simplest ways of drying because of its potential to dry products regardless of time and climate *** other benefit is that crop residues could be used as fuel in these ***,the major limitation of the dryer is unequal drying because of poor airflow distribution in the drying medium,which can be improved by integrating some design changes in the *** review analyses the two types of biomass dryers:industrial biomass dryers and small biomass dryers for food product,along with their ***,studies on technical,sustainability and economic aspects are expected to provide a greater understanding of biomass drying.

关键词： Biomass dryer sustainable energy biomass direct indirect drying time

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