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97651

Extraction of Water from Atmospheric Air Using Double Slope Condensation Surface.

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Last updated: 22 Jan 2023

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Tags

Mechanical Power Engineering

Abstract

In this study, extraction of water from atmospheric air using double slope condensation surface is investigated. Solar energy as a heat source and Calcium Chloride (CaCl2) as the desiccant are used. The experimental apparatus involves two parts. The first part, which functions as absorber has nine channels containing mixture of Calcium Chloride (CaCl2) and sand while the second part, which functions as transparent and condensation surface has a prism shape. At night, the absorber is exposed to atmospheric air where Calcium Chloride (CaCl2) absorbs moisture from atmospheric air. At sunrise, the absorber is covered tightly with the transparent and condensation surface that allows the transmission of sun rays to the absorber. Condensate is collected in sloping channels that fixed at the bottom inner surface of transparent cover. The temperature of transparent surface, air-vapor mixture and absorber surface, solar radiations intensity and amount of collected water are recorded during the experiments at various operating days. Experimental measurements indicate that the condensed water productivity changes with ambient conditions. It is found that the maximum yield for Aug.19th,2015 was 735 gm /m2.day for accumulative solar radiation of about 7806 W.hr/m2.day. A mathematical model is developed to estimate the solar radiation intensity and amount of collected water. Its results are compared with the experimental data and a reasonable agreement between theoretical results and experimental measurements is attained

DOI

10.21608/bfemu.2020.97651

Keywords

water extraction, air, double slope, Condensation, Solar, Desiccant

Authors

First Name

Karim

Last Name

Awad

MiddleName

Hussein

Affiliation

Instructor at the High Institute of Engineering and technology in new Damietta, Damietta, Egypt

Email

engk2050@gmail.com

City

-

Orcid

-

First Name

Mohamed

Last Name

Awad

MiddleName

Mahmoud

Affiliation

an Associate Professor at the Department of Mechanical Power Engineering, Mansoura University, Mansoura, Egypt

Email

m_m_awad@mans.edu.eg

City

-

Orcid

-

First Name

Ahmed

Last Name

Kandel

MiddleName

Mohamed Hamed

Affiliation

Mechanical Power Engineering Department, University of Mansoura, Egypt

Email

amhamed@mans.edu.eg

City

Mansoura

Orcid

-

Volume

42

Article Issue

1

Related Issue

14771

Issue Date

2017-03-01

Receive Date

2016-12-20

Publish Date

2020-06-24

Page Start

10

Page End

21

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 42_Issue 1_Pages 10-21.pdf

PDF . 1.5MB

Link

https://bfemu.journals.ekb.eg/article_97651.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=97651

Order

6

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

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-

Details

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Article

Created At

22 Jan 2023