Performance assessment of a solar pond with and without shading effect

“…Overall energy and exergy efficiencies of the salinity gradient solar pond was investigated numerically and exergetic performance analysis of a solar pond was calculated [3]. The effect of sunny area ratios on the thermal performance of solar ponds was investigated and study showed that careful determination of the boundaries, insulation parameters and rate of incoming solar radiation reaching the storage areas has increased the efficiency of the solar pond [4,5]. A mathematical model was developed to investigate thermal performance of solar pond by introducing nanofluid solar pond [6].…”

Section: Introductionmentioning

confidence: 99%

Seasonal temperature variation of solar pond under Mediterranean condition

Soğukpınar

2019

THERM SCI

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In this paper, thermal performance of solar pond for different condition was numerically investigated by using discrete ordinates method to facilitate a greater understanding of the effects of relative various condition on thermal performance improvement of solar pond. For this, a 3-D prototypes of solar ponds with square cross-sections were simulated for the oversoil and subsoil, insulated and uninsulated, open on and off conditions. The direction of sunlight (zenith angle and the solar elevation) was automatically computed from the latitude, longitude, time zone, date, and time. The estimated solar position is accurate for a date between year 2000 and 2199, due to an approximation used in the Julian Day calendar calculation. Seasonal temperature variation of solar pond was calculated for the full period of one year starting from March and calculated data were compared with experiment to validate simulation accuracy of heat transfer model. Result indicates that temperatures in the summer time were calculated at around 55 °C, while temperatures in the winter were in the range of 20 to 30 °C and temperature changes between 30 °C and 40 °C in spring and autumn.

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“…[14]. Güneş havuzunun yüzey alanı yeterince büyükse, gölgeleme etkisi oldukça azalacaktır [15]. Ayrıca, güneş havuzunun gölgelenme etkisi yanstıcı kapaklı güneş havuzlarında havuz yüzeyine gelen güneş enerji artırılabilir.…”

Section: Introductionunclassified

The Theoretical Investigation of Performance of the Hydrogen Attaination System with Electricity from a Solar Pond

Atız¹,

Karakılçık

2018

Çukurova Üniversitesi Mühendislik-Mimarlık Fakültesi Dergisi

Self Cite

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Bu çalışmada, dikdörtgen prizma tuz eğimli güneş havuzu (DPTEGH)'nun elektrik ve hidrojen üretim performansı incelendi. Güneş enerjisinden ısı enerjisi üretmek için 1,5×8×8 m 3 boyutunda dikdörtgen prizma şeklinde bir güneş havuzu, Organik Rankine Çevrimi (ORÇ) ve elektroliz sisteminden oluşan bir birleşik sistem tasarlandı. Tasarlanan bu sistemin analizi mühendislik eşitlikleri çözücü (EES) benzetim programı kullanılarak gerçekleştirildi. Havuzda depolanan ısı enerjisi Organik Rankine Çevrimi (ORÇ)'ye aktarıldı. Böylece, başarılı bir şekilde depolanan ısı enerjisi kullanılarak ORÇ'de elektrik üretildi. Ancak, hem ısının hem de elektriğin verimli bir şekilde depolanamaması yüzünden, üretilen enerji bir elektroliz sisteminde hidrojen üretiminde kullanıldı. Böylece suyun elektrolizi ile hidrojen gazı üretildi.

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Performance assessment of a solar pond with and without shading effect

Cited by 64 publications

References 24 publications

Experimental analysis of the temperature and concentration profiles in a salinity gradient solar pond with, and without a liquid cover to suppress evaporation

Experimental analysis of the temperature and concentration profiles in a salinity gradient solar pond with, and without a liquid cover to suppress evaporation

Seasonal temperature variation of solar pond under Mediterranean condition

The Theoretical Investigation of Performance of the Hydrogen Attaination System with Electricity from a Solar Pond

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