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.ru
Institute 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 model

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Published
2019-09-26

Cited by

Wójcik, W., Kalimoldayev, M., Amirgaliyev, Y., Kunelbayev, M., Kalizhanova, A., Kozbakova, A., & Merembayev, T. (2019). EXERGY ANALYSIS OF DOUBLE-CIRCUIT FLAT SOLAR COLLECTOR WITH THERMOSYPHON CIRCULATION. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 9(3), 35–39. https://doi.org/10.35784/iapgos.230

Authors

Waldemar Wójcik 

Lublin University of Technology, Institute of Electronics and Information Technology Poland
http://orcid.org/0000-0002-0843-8053

Authors

Maksat Kalimoldayev 

Institute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0003-0025-8880

Authors

Yedilkhan Amirgaliyev 

Institute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University Kazakhstan
http://orcid.org/0000-0002-6528-0619

Authors

Murat Kunelbayev 

Institute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0002-5648-4476

Authors

Aliya Kalizhanova 
kalizhanova_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 Kozbakova 

Institute of Information and Computational Technologies SR MES RK; Al-Farabi Kazakh National University Kazakhstan
http://orcid.org/0000-0002-5213-4882

Authors

Timur Merembayev 

Institute of Information and Computational Technologies SR MES RK Kazakhstan
http://orcid.org/0000-0001-8185-235X

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