کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
646505 | 1457158 | 2014 | 52 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Study and application of a regenerative Stirling cogeneration device based on biomass combustion
ترجمه فارسی عنوان
مطالعه و کاربرد یک دستگاه تولید کربن بازسازی استرلینگ براساس احتراق زیست توده
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
جریان سیال و فرایندهای انتقال
چکیده انگلیسی
Fuelling micro-combined heat and power (micro-CHP) devices using renewable sources, such as biogas, can enhance the energy and environmental benefits associated with such devices. This paper presents a solution for increasing the electric efficiency of biogas-fed Stirling co-generators by recuperating the energy content of the combustion flue gas. When economically and energetically convenient for micro-CHP operation, the exhausts can be used to pre-heat fresh combustion air. It was assessed that, due to the introduction of a spiral gas-gas heat exchanger, whose main design parameters were identified, the electric efficiency of the Stirling unit can be raised to up to 22.5%. To determine the advantages of applying the system analysed over a traditional Stirling device, a specific algorithm for the optimal management of the micro-CHP unit was built and applied to a residential case study. The results demonstrate that the extra cost of the high-efficiency recuperator can be easily recovered in approximately two years of system operation, providing an additional advantage over a standard Stirling device in terms of primary energy consumption and an approximately 6% increase in economic savings.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Thermal Engineering - Volume 67, Issues 1â2, June 2014, Pages 341-351
Journal: Applied Thermal Engineering - Volume 67, Issues 1â2, June 2014, Pages 341-351
نویسندگان
Massimiliano Renzi, Caterina Brandoni,