评估用于可持续苦瓜干燥的蜂蜡包装家用太阳能干燥器:实验研究

IF 3.5 2区 农林科学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
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引用次数: 0

摘要

太阳能烘干机为解决全球最令人担忧的粮食浪费问题提供了一种清洁、经济的解决方案。由于家用领域在全球食物浪费中所占比例最高,而且缺乏对小型太阳能干燥机的研究,因此有必要开发可持续的低成本家用太阳能干燥机。本研究旨在开发和分析用于间歇性苦瓜干燥的蜂蜡包装家用太阳能干燥器(BDSD)的输出行为。在被动和主动干燥条件下,对苦瓜片的干燥动力学以及 BDSD 的热、经济、环境和能效性能进行了评估。在被动和主动条件下,苦瓜片的最终平均含水量分别为 3.26% 和 3.93%(湿重)。在两种干燥条件下,Midilli-Kucuk 模型对苦瓜干燥行为的拟合度最高。在两种干燥条件下,总水分蒸发量、传热系数、热效率、特定水分提取率、苦瓜片干燥节省量、二氧化碳减排量、获得的碳信用额和放能效率都有所增加,而干燥速率、有效水分扩散率、特定能耗、苦瓜片干燥成本、投资回收期和能源回收时间则随着样品质量的增加而减少。在两种干燥条件下,BDSD 的性能都是样品质量的线性函数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Assessment of a beeswax-packed domestic solar dryer for sustainable bitter gourd drying: An experimental study

Solar dryers present a clean and affordable solution to food wastage which is one of the biggest concerns of the world. The highest contribution of domestic sector to the global food waste and lack of researches on small-scale solar dryers have created a need to develop sustainable and low cost domestic solar dryers. The present research aims to develop and analyse the output behaviour of a beeswax-packed domestic solar dryer (BDSD) for intermittent bitter gourd drying. The drying kinetics of bitter gourd slices and thermal, economic, environmental and exergetic performances of the BDSD have been evaluated with varying sample masses for passive and active drying conditions. The average final moisture content of the bitter gourd slices for passive and active conditions were found to be 3.26 and 3.93 % (wb), respectively. Midilli-Kucuk model exhibited the strongest fit to the bitter gourd drying behaviour under both the drying conditions. The total moisture evaporation, heat transfer coefficients, thermal efficiency, specific moisture extraction rate, savings for dried bitter gourd slices drying, CO2 mitigation, carbon credit earned and exergy efficiency were found to increase while the drying rate, effective moisture diffusivity, specific energy consumption, costs for bitter gourd slices drying, payback period and energy payback time decreased as the sample mass increased under both drying conditions. The performance of the BDSD was found to be a linear function of sample mass under both drying conditions.

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来源期刊
Food and Bioproducts Processing
Food and Bioproducts Processing 工程技术-工程:化工
CiteScore
9.70
自引率
4.30%
发文量
115
审稿时长
24 days
期刊介绍: Official Journal of the European Federation of Chemical Engineering: Part C FBP aims to be the principal international journal for publication of high quality, original papers in the branches of engineering and science dedicated to the safe processing of biological products. It is the only journal to exploit the synergy between biotechnology, bioprocessing and food engineering. Papers showing how research results can be used in engineering design, and accounts of experimental or theoretical research work bringing new perspectives to established principles, highlighting unsolved problems or indicating directions for future research, are particularly welcome. Contributions that deal with new developments in equipment or processes and that can be given quantitative expression are encouraged. The journal is especially interested in papers that extend the boundaries of food and bioproducts processing. The journal has a strong emphasis on the interface between engineering and food or bioproducts. Papers that are not likely to be published are those: • Primarily concerned with food formulation • That use experimental design techniques to obtain response surfaces but gain little insight from them • That are empirical and ignore established mechanistic models, e.g., empirical drying curves • That are primarily concerned about sensory evaluation and colour • Concern the extraction, encapsulation and/or antioxidant activity of a specific biological material without providing insight that could be applied to a similar but different material, • Containing only chemical analyses of biological materials.
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