F-diagram Research Method for Double Circuit Solar System with Thermosyphon Circulation

Murat Kunelbayev, Yedilkhan Amirgaliyev, Aliya Kalizhanova, Ainur Kozbakova, Salauat Daulbayev, Timur Merembayev and Didar Yedilkhan

A chapter in Thermodynamics and Energy Engineering from IntechOpen

Abstract: In the work herein we have conducted researches of F-diagram method for the solar system with thermosyphon circulation-diagram method is based on correlation of a lot of simulations, computed non-dimensional variables. Modeling conditions varied in corresponding ranges of thermosyphon circulation double circuit solar system practical constructions' parameters. By means of F-diagram method there have been computed the environmental monthly temperature values with correction index, which shows that the monthly average daily heating degree and direct solar radiation decrease according to weather conditions. It may be noted that monthly temperature load fraction increases along with the collector square growth. It demonstrates that the monthly temperature load fraction is higher in summer in Almaty city (Kazakhstan) (July--the highest value) and lower in winter months (January, February--the lowest value).

Keywords: flat solar collector; F-diagram method; environmental temperature; solar radiation; double circuit solar system; thermosyphon circulation (search for similar items in EconPapers)
JEL-codes: Q40 (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:ito:pchaps:201808

DOI: 10.5772/intechopen.88045

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