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بررسی اثرات زیست‌محیطی و ارزیابی جریان انرژی در تولید پامچال گلخانهای با رویکرد تقاضای انرژی تجمعی و تقاضای اکسرژی تجمعی | ||
| مهندسی بیوسیستم ایران | ||
| مقاله 3، دوره 50، شماره 4، بهمن 1398، صفحه 771-785 اصل مقاله (1.11 M) | ||
| نوع مقاله: مقاله پژوهشی | ||
| شناسه دیجیتال (DOI): 10.22059/ijbse.2019.275661.665161 | ||
| نویسندگان | ||
| طاهره صالح پور1؛ مجید خانعلی* 1؛ علی رجبی‌پور2 | ||
| 1گروه مهندسی ماشین های کشاورزی، دانشکدۀ مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران | ||
| 2گروه مهندسی ماشین‌های کشاورزی، دانشکده مهندسی و فناوری کشاورزی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران | ||
| چکیده | ||
| مطالعه حاضر با فراهم آوردن فهرست موجودی چرخه زندگی تولید گل پامچال گلخانهای به تجزیه و تحلیل جریان انرژی تولید این محصول با استفاده از روش تقاضای انرژی و اکسرژی تجمعی پرداخته است. دادههای لازم از طریق پرسشنامه و مصاحبه حضوری از گلخانهداران در ساوجبلاغ جمعآوری شد. بر اساس نتایج، میزان کل شاخص تقاضای انرژی و اکسرژی تجمعی برای تولید یک بوته گل پامچال بهترتیب 45/8 و 24/8 مگاژول محاسبه شد. در بین گروههای اثر روش تقاضای انرژی تجمعی، گروه اثر منابع غیرتجدیدپذیر- فسیلی با 43/8 مگاژول بیشترین سهم را به خود اختصاص داده بود که 66 درصد ناشی از مصرف انرژی مستقیم درون گلخانه بوده است. همچنین20/8 مگاژول از تقاضای اکسرژی تجمعی، ناشی از گروه اثر منابع غیرتجدیدپذیر-فسیلی بود که مصرف انرژی مستقیم درون گلخانه، مهمترین نقش را در آن داشت.مصرف انرژی بهازای تولید یک بوته گل پامچال منجربه نشر 20576/0 کیلوگرم معادل کربن دیاکسید شده است. | ||
| کلیدواژه‌ها | ||
| اثرات زیست‌محیطی؛ انرژی؛ تقاضای اکسرژی تجمعی؛ تقاضای انرژی تجمعی؛ گل‌زینتی | ||
| عنوان مقاله [English] | ||
| Environmental Impact and Energy Flow Assessment in Greenhouse Primrose Production Using Cumulative Energy Demand and Cumulative Exergy Demand Approach | ||
| نویسندگان [English] | ||
| Tahereh Salehpour1؛ Majid Khanali1؛ Ali Rajabipour2 | ||
| 1Department of Agricultural Machinery Engineering, Faculty of Agricultural Engineering and Technology, College of Agriculture and Natural Resources, University of Tehran, Karaj, Iran | ||
| 2Department of Agricultural Engineering, Faculty of Engineering and Technology, College of Agriculture and Natural Resources, Tehran University | ||
| چکیده [English] | ||
| The present study analyzed the energy flow of this product by the cumulative energy demand (CED) and cumulative exergy demand (CExD) method by providing a life cycle inventory of greenhouse Primrose production. The required data through interviews and questionnaires were collected from greenhouse owners in Savojbolagh. Based on the results, the total CED and CExD values for one bush of Primrose were calculated as 8.45 and 8.24 MJ eq., respectively. Among the impact categories of the CED method, non-renewable-fossil had the largest share with 8.43 MJ eq. that 66% of it was related to direct energy consumption in the greenhouse. Also, 8.20 MJ eq. CExD was related to the non-renewable-fossil impact category that direct energy consumption in the greenhouse had the most important role in it. The energy consumption for the production of one bush of Primrose resulted in the emission of 0.20576 kg of carbon dioxide equivalent. | ||
| کلیدواژه‌ها [English] | ||
| Environmental impacts, Energy, Cumulative exergy demand, Cumulative energy demand, Ornamental flower | ||
| مراجع | ||
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