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科技导报 | 专题:海洋能开发 2021, 39(6): 90-95
朗肯循环海洋温差能发电系统性能理论分析与试验
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陈凤云, 刘蕾, 彭景平, 葛云征, 刘伟民, 王泉斌
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    自然资源部第一海洋研究所, 青岛 266061

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刘伟民(通信作者),研究员,研究方向为海洋温差能开发利用,电子信箱:lwmxjtu@163.com
Theoretical analysis and experimental study of ocean thermal energy conversion plant of Rankine cycle
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出版时间: 2021-03-28 doi: 10.3981/j.issn.1000-7857.2021.06.013
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针对海洋温差发电系统中效率低的问题,对海洋温差发电朗肯循环进行了理论分析,建立了系统中关键设备数学模型,计算了发电系统循环热效率、净输出功率。通过计算得到:当透平进口气体温度和冷凝温度一定时,循环热效率随透平进口气体压力的增大先升高后降低,且存在最大值。研建了15 kW朗肯循环海洋温差能发电系统并试验验证,得到了在模拟海洋温差下循环热效率随各参数的变化趋势与规律,同时与理论计算结果比较,验证了理论计算结果的可靠性。
海洋温差能  /  热效率  /  净输出功
In view of the the low efficiency of the ocean thermal energy conversion(OTEC), this paper makes a theoretical analysis of the Rankine cycle based on the first law and the second law of thermodynamics, and a mathematical model for the individual equipment of the cycle is built. Through the calculations of the cycle thermal efficiency and the net power output, the variations of the thermal efficiency and the net power output against the turbine inlet pressure, the superheat and the condensation temperature are obtained. A 15 kW ocean thermal energy conversion system with the Rankine cycle is constructed and tested, and the variations of the thermal efficiency against various parameters under the simulated working conditions of the ocean temperature difference are obtained through analyzing the experiment results. The consistency between the theoretical calculations and the experimental results is verified.
ocean thermal energy conversion  /  thermal efficiency  /  net output
陈凤云, 刘蕾, 彭景平, 葛云征, 刘伟民, 王泉斌. 朗肯循环海洋温差能发电系统性能理论分析与试验. 科技导报, 2021 , 39 (6) : 90 -95 . DOI: 10.3981/j.issn.1000-7857.2021.06.013
CHEN Fengyun, LIU Lei, PENG Jingping, GE Yunzheng, LIU Weimin, WANG Quanbin. Theoretical analysis and experimental study of ocean thermal energy conversion plant of Rankine cycle[J]. Science & Technology Review, 2021 , 39 (6) : 90 -95 . DOI: 10.3981/j.issn.1000-7857.2021.06.013
2021年第39卷第6期
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doi: 10.3981/j.issn.1000-7857.2021.06.013
  • 接收时间:2020-10-12
  • 首发时间:2021-05-14
  • 出版时间:2021-03-28
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  • 收稿日期:2020-10-12
  • 修回日期:2020-12-21
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刘伟民(通信作者),研究员,研究方向为海洋温差能开发利用,电子信箱:lwmxjtu@163.com
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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