DETERMINATION OF OPTIMUM TILT ANGLES FOR SOLAR COLLECTORS IN LOW-LATITUDE TROPICAL REGION

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IDOWU OLOKETUYI S.; OLARENWAJU OYEWOLA M.; IFEDAYO ODESOLA I.

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Paper Information

Journal: INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING Year:2013 | Volume:4 | Issue:4 Page(s): 1-10

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Title

DETERMINATION OF OPTIMUM TILT ANGLES FOR SOLAR COLLECTORS IN LOW-LATITUDE TROPICAL REGION

Author(s)

IDOWU OLOKETUYI S. | OLARENWAJU OYEWOLA M. | IFEDAYO ODESOLA I. | Issue Writer Certificate

Keywords

SOLAR ENERGY

OPTIMIZATION

BUOYANCY

PRYANOMETER

TILT ANGLE

TRACKING

LATITUDE

Abstract

This work optimises the collection of SOLAR ENERGY within the period of its availability in order to increase its utilisation and also to enhance performance of heating systems that depend on it through appropriate determination of optimum solar collector TILT ANGLEs. BUOYANCY-induced flow equation in solar collector pipe was established by continuity, energy and Navier–Stokes equations in cylindrical coordinates. Fundamental solar radiation equations were programmed to determine optimum TILT ANGLEs in locations within LATITUDEs 1o and 14o. A set of data recorded from a PRYANOMETER located on LATITUDE 6.45o north of the equator was used to generate average monthly radiation over the LATITUDEs. Graphs obtained from LATITUDE 6o and 13o data were analysed to investigate solar radiation on some TILT ANGLEs. The optimum TILT ANGLEs for solar heating for periodic TRACKING of the sun in the region within LATITUDEs 1° and 14° were predicted as Æ+25° for November, December and January, Æ+15o for February, September and October, Æ-15o for August, Æ-25o for May, June and July, and Æ for March and April. The results of this work confirmed that solar radiation on tilted surface increases with LATITUDE.

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APA: Copy

IDOWU, OLOKETUYI S., OLARENWAJU, OYEWOLA M., & IFEDAYO, ODESOLA I.. (2013). DETERMINATION OF OPTIMUM TILT ANGLES FOR SOLAR COLLECTORS IN LOW-LATITUDE TROPICAL REGION. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, 4(4), 1-10. SID. https://sid.ir/paper/327067/en

Vancouver: Copy

IDOWU OLOKETUYI S., OLARENWAJU OYEWOLA M., IFEDAYO ODESOLA I.. DETERMINATION OF OPTIMUM TILT ANGLES FOR SOLAR COLLECTORS IN LOW-LATITUDE TROPICAL REGION. INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING[Internet]. 2013;4(4):1-10. Available from: https://sid.ir/paper/327067/en

IEEE: Copy

OLOKETUYI S. IDOWU, OYEWOLA M. OLARENWAJU, and ODESOLA I. IFEDAYO, “DETERMINATION OF OPTIMUM TILT ANGLES FOR SOLAR COLLECTORS IN LOW-LATITUDE TROPICAL REGION,” INTERNATIONAL JOURNAL OF ENERGY AND ENVIRONMENTAL ENGINEERING, vol. 4, no. 4, pp. 1–10, 2013, [Online]. Available: https://sid.ir/paper/327067/en

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