نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجوی کارشناسی ارشد گروه مهندسی بیوسیستم، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت، ایران
2 استادیار گروه مهندسی بیوسیستم، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت، ایران
10.22092/amsr.2023.362142.1449
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
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