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太陽能熱泵沼氣工程供能系統(tǒng)?分析與優(yōu)化
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國家高技術(shù)研究發(fā)展計(jì)劃（863計(jì)劃）資助項(xiàng)目（2013AA103006-02）


Optimization Based on Exergy Analysis of Solar Assisted Heat Pump Based Heating System of Biogas Project
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    摘要:

    通過對(duì)太陽能熱泵沼氣工程供能系統(tǒng)進(jìn)行?分析，找到能量利用薄弱環(huán)節(jié),；利用Matlab軟件對(duì)系統(tǒng)狀態(tài)參數(shù)進(jìn)行變量非線性最優(yōu)化問題求解,，得出提升系統(tǒng)?效率的具體措施與方法,，并進(jìn)行了驗(yàn)證性實(shí)驗(yàn),，同時(shí)研究了個(gè)別狀態(tài)參數(shù)和設(shè)備性能參數(shù)對(duì)系統(tǒng)?效率的影響,。結(jié)果表明：優(yōu)化后可將系統(tǒng)?效率從18.44%提升至28.99%。狀態(tài)參數(shù)（蓄熱水箱溫度tv）以及性能參數(shù)（熱泵系統(tǒng)CCOP(year)和集熱器效率ηcol）對(duì)系統(tǒng)的?效率影響很大,，其中蓄熱水箱水溫提高1℃,，系統(tǒng)?效率將提高0.58%；CCOP(year)值每提高一個(gè)單位值,，系統(tǒng)?效率將提高5.94%,；集熱器效率ηcol值提高一個(gè)百分點(diǎn)，?效率將提高0.045%,。

    Abstract:

    In recent years, solar assisted heat pump based heating system has been widely applied in the buildings and greenhouses, but it is little applied and researched in biogas projects. Exergy analysis of solar assisted heat pump based heating system of biogas project was conducted, and the weak links were found in the energy-using process; system status parameters were obtained by solving variable nonlinear optimization problem with Matlab; specific measures and methods of improving system exergy efficiency were proposed and validation experiments were done ;the effect of individual status parameters and equipment performance parameters on system exergy efficiency was also studied. The results showed that optimized system exergy efficiency can increase from 18.44% to 28.99%. The status parameter(storage tank temperature tv) and performance parameters(pump system CCOP(year) and collector efficiency ηcol) have a great influence on system exergy efficiency. The system exergy efficiency can increase by 0.58% with the temperature increasing by 1℃, increase by 5.94% with the CCOP (year) increasing by one unit of value, increase by 0.045% with the collector efficiency ηcol increasing by one percentage point.

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石惠嫻,呂濤,朱洪光,范旻,徐凱,馬潔瓊.太陽能熱泵沼氣工程供能系統(tǒng)?分析與優(yōu)化[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2014,45(1):143-149,167. Shi Huixian, Lü Tao, Zhu Hongguang, Fan Min, Xu Kai, Ma Jieqiong. Optimization Based on Exergy Analysis of Solar Assisted Heat Pump Based Heating System of Biogas Project[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(1):143-149,167.

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  • 收稿日期:2013-07-09
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  • 在線發(fā)布日期: 2014-01-03
  • 出版日期: 2014-01-03
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