EXERGY ANALYSIS OF DOUBLE-CIRCUIT FLAT SOLAR COLLECTOR WITH THERMOSYPHON CIRCULATION
Waldemar Wójcik
Lublin University of Technology, Institute of Electronics and Information Technology (Poland)
http://orcid.org/0000-0002-0843-8053
Maksat Kalimoldayev
Institute of Information and Computational Technologies SR MES RK (Kazakhstan)
http://orcid.org/0000-0003-0025-8880
Yedilkhan Amirgaliyev
Institute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University (Kazakhstan)
http://orcid.org/0000-0002-6528-0619
Murat Kunelbayev
Institute of Information and Computational Technologies SR MES RK (Kazakhstan)
http://orcid.org/0000-0002-5648-4476
Aliya Kalizhanova
kalizhanova_aliya@mail.ruInstitute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University (Kazakhstan)
http://orcid.org/0000-0002-5979-9756
Ainur Kozbakova
Institute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University (Kazakhstan)
http://orcid.org/0000-0002-5213-4882
Timur Merembayev
Institute of Information and Computational Technologies SR MES RK (Kazakhstan)
http://orcid.org/0000-0001-8185-235X
Abstract
In the present work, an exergy analysis was done of two-circuit flat solar collector with thermosiphon circulation. The article presents a mathematical model of energy and exergic analysis of flat solar collectors, as well as calculations of solar radiation efficiency, temperature, flow rate of the fluid, exergy rates and exergy loss rates are done. The significance of the results achieved is high, since experimental studies can detect inefficient components of the solar heating system. The exergetic efficiency of a dual-circuit flat solar collector with a thermosiphon circulation describes irreversibility of the process according to thermodynamic parameters. This is caused by a large the degree of overheating achieved at the end of the processes of compression and evaporation, which leads to large differences in heat exchange temperature based on the heat pump cycle. The exergy efficiency value for the entire system is 70. Maximum values energy efficiency and exergy at noon, 32.5% and 2.23%, respectively. The efficiency of exergy is 4%, and the highest the loss of exergy is the difference between the absorber plates and the sun, accounting for 52.86% of the total exergy rate.
Keywords:
temperature, solar energy, analysis, mathematical modelReferences
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Authors
Waldemar WójcikLublin University of Technology, Institute of Electronics and Information Technology Poland
http://orcid.org/0000-0002-0843-8053
Authors
Maksat KalimoldayevInstitute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0003-0025-8880
Authors
Yedilkhan AmirgaliyevInstitute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University Kazakhstan
http://orcid.org/0000-0002-6528-0619
Authors
Murat KunelbayevInstitute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0002-5648-4476
Authors
Aliya Kalizhanovakalizhanova_aliya@mail.ru
Institute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University Kazakhstan
http://orcid.org/0000-0002-5979-9756
Authors
Ainur KozbakovaInstitute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University Kazakhstan
http://orcid.org/0000-0002-5213-4882
Authors
Timur MerembayevInstitute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0001-8185-235X
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