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簡化Kalina循環(huán)系統(tǒng)的熱力學分析
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國家高技術(shù)研究發(fā)展計劃(863計劃)資助項目(2012AA053003)和“十二五”國家科技支撐計劃資助項目(2012BAB12B01)


Thermodynamic Analysis of Simplified Kalina Cycle System
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    摘要:

    提出了一種簡化Kalina循環(huán)發(fā)電系統(tǒng),該系統(tǒng)以凈功率、電力產(chǎn)率、熱效率和換熱面積比率為性能指標,分析了氨水溶液質(zhì)量分數(shù)、循環(huán)倍率、熱源溫度、冷源溫度和換熱器端部溫差對性能指標的影響。結(jié)果表明,氨水溶液的質(zhì)量分數(shù)可以改變循環(huán)系統(tǒng)的性能;循環(huán)系統(tǒng)存在最佳的循環(huán)倍率約為4,對應的氨水溶液質(zhì)量分數(shù)差范圍為12%~13%;提高溶液換熱器端部溫差,可使電力產(chǎn)率增加,但系統(tǒng)熱效率降低。

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    A Kalina cycle power system was developed. The net power output, net power output per ton of geofluid, energy efficiency, and heat exchanger area of per net power were determined as the performance criteria of the power system. The influences of ammonia water mass fraction, solution circulation ratio, geofluid temperature, cooling water temperature, and the heat exchanger end temperature difference on performance criteria were analyzed. Results showed that the performance could be changed by adjusting ammonia water mass fraction. The optimal solution circulation ratio value was about 4 and the corresponding ammonia water mass fraction difference was about 12%~13%. The net power output per ton of geofluid increases and energy efficiency decreased by increasing the heat exchanger end temperature difference.

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胡 冰,駱 超,馬偉斌.簡化Kalina循環(huán)系統(tǒng)的熱力學分析[J].農(nóng)業(yè)機械學報,2014,45(4):214-219. Hu Bing, Luo Chao, Ma Weibin. Thermodynamic Analysis of Simplified Kalina Cycle System[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(4):214-219.

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  • 收稿日期:2013-04-27
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  • 在線發(fā)布日期: 2014-04-10
  • 出版日期: 2014-04-10