A Comprehensive Comparative Analysis of Energetic and Exergetic Performance of Different Solar-Based Organic Rankine Cycles

被引：6
|
作者：
Ochoa, Guillermo Valencia [1 ]
Santiago, York Castillo [2 ]
Forero, Jorge Duarte [1 ]
Restrepo, Juan B. [3 ]
Arrieta, Alberto Ricardo Albis [3 ]
机构：
[1] Univ Atlantico, Fac Engn, Efficient Energy Management Grp KAI, Carrera 30 8-49, Puerto Colombia 081001, Atlantico, Colombia
[2] Fluminense Fed Univ UFF, Dept Mech Engn TEM PGMEC, Lab Thermal Sci LATERMO, Rua Passo Patria 156, BR-24210240 Niteroi, RJ, Brazil
[3] Univ Atlantico, Bioproc Fac Engn, Carrera 30 8-49, Puerto Colombia 081001, Atlantico, Colombia
来源：
ENERGIES | 2023年 / 16卷 / 06期
关键词：
energy efficiency; exergy destruction; flat-plate solar collector; thermal storage tank; CONDENSATION HEAT-TRANSFER; THERMODYNAMIC ANALYSIS; PRESSURE-DROP; OPTIMIZATION; COLLECTORS; ORC; SIMULATION;
D O I：
10.3390/en16062724
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this work, a comprehensive energetic and exergetic comparative assessment is presented for the simple solar organic Rankine cycle (SORC), regenerative solar organic Rankine cycle (RORC), and dual-loop solar organic Rankine cycle (DORC), considering parameters such as the net power produced, exergy destruction, exergy, and energy efficiency in four zones located in Colombia due to their high solar irradiation potential. The energetic and exergetic balances were applied for each system component, using toluene as the working fluid. The RORC system showed a 2% increase in efficiency over the SORC, while the DORC cycle was lower than the SORC (45.85%) and RORC (46.90%) systems. Finally, for the exergy analysis, the results revealed that the SORC (5.3%) and RORC (5.2%) systems had the highest efficiency compared to DORC systems. Additionally, the highest exergy destruction (89%) was related to the collector, followed by the evaporators (1-2%), pumps (0.1%), and turbines (1.12%).
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页数：26
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