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194347

INFLUENCE OF OPAQUE PHOTOVOLTAIC SHADING ON MICROCLIMATE AND GROWTH OF STRAWBERRY IN GREENHOUSES

Article

Last updated: 04 Jan 2025

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Subjects

-

Tags

Agricultural Constructions Engineering

Abstract

The effect of photovoltaic PV panels on strawberry growth and the greenhouse microclimate has been studied meanwhile; the annually generated electric energies were estimated by the PolySun program. The peak power of the opaque PV was 310 W. There were four PV panels distributed on the top of greenhouse south plastic roof at a vertical distance of 0.08 m as an isolated air layer under the PV panels at a tilt angle of 30 ͦ.  Meanwhile at a horizontal distance between panels of 1.1 m to allow the solar light entering greenhouse. Results revealed that the greenhouse air temperature and solar radiation under the un-shaded greenhouse were higher than that of the shaded greenhouse by opaque PV. Moreover, the opaque PV temperatures ranged from 45 ᵒC to 47.5 ᵒC. The simulation results showed that the annual generated electric energy of the opaque PV panels was 3195 kWh which could cover approximately 30.4% of the annual electric energy demand for environmental control. In addition, there were no significant differences in the number of leaves, flowers including fruits, and chlorophyll contents between strawberries under the shaded and un-shaded greenhouses. In a word, the integration of opaque PV at a specific distribution is highly recommended to provide the required light for photosynthesis and energy for greenhouse without harming the growth of strawberries.

DOI

10.21608/mjae.2021.88860.1038

Keywords

opaque photovoltaic, strawberry, shading, Growth, Solar Radiation, air temperature

Authors

First Name

Reda H. E.

Last Name

Hassanien

MiddleName

-

Affiliation

Assoc. Prof. Ag. Eng. Dep., Fac. Ag., Cairo U., 12613 Giza. Egypt.

Email

reda.emam@agr.cu.edu.eg

City

GIZA

Orcid

0000-0001-7420-0716

First Name

Li

Last Name

Ming

MiddleName

-

Affiliation

Prof. Sol. Eng. Res. Inst., Yunnan Normal U., Kunming 650500, China

Email

lmllldy@126.com

City

-

Orcid

-

Volume

38

Article Issue

4

Related Issue

27860

Issue Date

2021-10-01

Receive Date

2021-08-04

Publish Date

2021-10-01

Page Start

377

Page End

390

Print ISSN

1687-384X

Online ISSN

2636-3062

Article File

MJAE_Volume 38_Issue 4_Pages 377-390.pdf

PDF . 901.5kB

Link

https://mjae.journals.ekb.eg/article_194347.html

Detail API

https://mjae.journals.ekb.eg/service?article_code=194347

Order

9

Type

Original Article

Type Code

1,326

Publication Type

Journal

Publication Title

Misr Journal of Agricultural Engineering

Publication Link

https://mjae.journals.ekb.eg/

MainTitle

INFLUENCE OF OPAQUE PHOTOVOLTAIC SHADING ON MICROCLIMATE AND GROWTH OF STRAWBERRY IN GREENHOUSES

Details

Type

Article

Created At

23 Jan 2023