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ارزیابی شاخص‌های انرژی خشک‌کردن کیوی در خشک کن نیمه صنعتی بستر ثابت مجهز به مواد تغییر فاز دهنده | ||
| تحقیقات سامانه‌ها و مکانیزاسیون کشاورزی | ||
| دوره 23، شماره 84، اسفند 1401، صفحه 73-90 اصل مقاله (1.31 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22092/amsr.2023.362142.1449 | ||
| نویسندگان | ||
| زهرا شیخانی نژاد فلاح1؛ مرتضی زنگنه* 2؛ نرگس بنائیان2 | ||
| 1دانشجوی کارشناسی ارشد گروه مهندسی بیوسیستم، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت، ایران | ||
| 2استادیار گروه مهندسی بیوسیستم، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت، ایران | ||
| چکیده | ||
| هدف این تحقیق بررسی اثر دما (در سه سطح 55، 65 و 75 درجة سلسیوس) و مواد تغییر فاز دهنده (PCM) بر چهار شاخص کمی شامل؛ میزان انرژی مصرفی کل، مقدار انرژی ویژه، مدت زمان خشک شدن و یکنواختی خشک شدن است. با ترکیب متغیرهای مستقل، مجموعاً شش تیمار به دست آمد. فرآیند خشک کردن تحت پیش تیمار توان فروسرخ 250 وات، زمان فروسرخ 10 دقیقه، توان ریزموج 400 وات، زمان ریزموج 4 دقیقه و آنزیمبری در خشک‌کن بستر ثابت طبقاتی دنبال شد. این مطالعه به صورت آزمایش فاکتوریل در قالب طرح بلوک‌های کامل تصادفی با چهار تکرار برای متغیرهای انرژی مصرفی کل، انرژی ویژه و زمان خشک شدن؛ و با شش تکرار برای متغیر یکنواختی اجرا شد. داده‌ها در نرم‌افزارIBM SPSS Statistics26 تجزیه و تحلیل شدند. در پایان، به منظور یافتن بهترین تیمار از روش ادغامی کپ لند استفاده شد. نتایج بررسیها نشان داد که اثر تیمارها بر میزان انرژی مصرفی کل معنی‌دار نیست. بهترین تیمار از نظر انرژی ویژه مصرفی تیمار دمای 75 درجة سلسیوس -نبود مواد PCM با مقدار 02/1 کیلووات ساعت بر کیلوگرم است. بهترین تیمار از نظر میزان انرژی مصرفی کل، انرژی ویژه مصرفی و زمان خشک شدن را دمای 75 درجة سلسیوس - نبود مواد PCM نشان داد. | ||
| کلیدواژه‌ها | ||
| آنزیم بری؛ ریزموج؛ فروسرخ؛ مدت زمان خشک شدن؛ مقدار انرژی ویژه؛ یکنواختی خشک کردن | ||
| عنوان مقاله [English] | ||
| Evaluation of Kiwi drying energy indicators in semi-industrial fixed bed dryer equipped with phase change materials | ||
| نویسندگان [English] | ||
| Zahra Sheykhani Nejad Fallah1؛ Mortreza Zangeneh2؛ Narges Banaeian2 | ||
| 1Department of Biosystems Engineering, Faculty of Agricultural Sciences, University of Guilan, Rasht, Iran | ||
| 2Department of Biosystems Engineering/Faculty of Agricultural Sciences/University of Guilan/Rasht/Iran | ||
| چکیده [English] | ||
| The aim of this study is to examine the impact of temperature (55, 65, and 75 ℃) and phase change materials (PCM) on four measurable factors: total energy consumption, specific energy consumption (SEC), drying time, and consistency of drying. Six treatments were achieved by combining independent variables. The pre-treatment for drying involved using an infrared power of 250 W for 10 minutes, followed by a microwave power of 400 W for 4 minutes. Enzyme removal was done in a layered fixed bed dryer. The research utilized a randomized complete block design with four replications for the variables of total energy consumption, specific energy consumption, and drying time. The variable of uniformity was repeated six times as part of the factorial experiment. The data analysis was conducted using the IBM SPSS Statistics 26 program. Copeland's method integration approach was utilized to determine the optimal treatment. According to the findings, the treatments had an insignificant impact on total energy consumption. The most energy-efficient treatment was observed to be at 75°C without PCM, with a recorded value of 1.02 kWh/kg. The best treatment in terms of total energy consumption, specific energy consumption, and drying time was found to be at a temperature of 75℃ without the use of PCM. | ||
| کلیدواژه‌ها [English] | ||
| Blanching, Consistency of Drying, Drying Time, Infrared, Microwave, Specific Energy Consumption (SEC) | ||
| مراجع | ||
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