Modeling and analysis the productivity of solar desalination units with phase change materials

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Water scarcity in several parts of the world is a matter of concern for human beings. Solar stills are capable of producing fresh water during day hours and the production becomes zero after sunset. In this study detailed modeling of water desalination involving PCM that stores energy during day time and emits it during night time is theoretically investigated. The effect of various parameters such as the PCM type through its melting point, PCM quantity, feed-water flow rate, and solar irradiation on the productivity of the unit expressed as the amount of fresh water produced per day is theoretically investigated. The results showed that the presence of PCM with 40 °C melting point maintains higher water temperatures after sunset but negatively affects the productivity. Decreasing the feed flow rate from 10 L/hr to 1 L/hr improved the fresh water productivity by 49%. When the maximum solar intensity increased from 400 to 1000 W/m2, the fresh water productivity increased from 0.75 L/day to 2.1 L/day. In the presence of PCM and at certain solar irradiation intensity the productivity can be improved by using PCM of higher melting point and reducing water feed flow rate.

Original languageEnglish
Pages (from-to)225-232
Number of pages8
JournalRenewable Energy
Volume95
DOIs
Publication statusPublished - Sep 1 2016

Fingerprint

Phase change materials
Desalination
Pulse code modulation
Productivity
Water
Melting point
Flow rate
Irradiation

Keywords

  • Desalination
  • Energy
  • Energy storage material
  • Heat transfer
  • Phase change materials
  • Solar unit

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment

Cite this

@article{f67eb7c26ecf4222a8b9e9ed5cdc6a13,
title = "Modeling and analysis the productivity of solar desalination units with phase change materials",
abstract = "Water scarcity in several parts of the world is a matter of concern for human beings. Solar stills are capable of producing fresh water during day hours and the production becomes zero after sunset. In this study detailed modeling of water desalination involving PCM that stores energy during day time and emits it during night time is theoretically investigated. The effect of various parameters such as the PCM type through its melting point, PCM quantity, feed-water flow rate, and solar irradiation on the productivity of the unit expressed as the amount of fresh water produced per day is theoretically investigated. The results showed that the presence of PCM with 40 °C melting point maintains higher water temperatures after sunset but negatively affects the productivity. Decreasing the feed flow rate from 10 L/hr to 1 L/hr improved the fresh water productivity by 49{\%}. When the maximum solar intensity increased from 400 to 1000 W/m2, the fresh water productivity increased from 0.75 L/day to 2.1 L/day. In the presence of PCM and at certain solar irradiation intensity the productivity can be improved by using PCM of higher melting point and reducing water feed flow rate.",
keywords = "Desalination, Energy, Energy storage material, Heat transfer, Phase change materials, Solar unit",
author = "Hasan Mousa and Gujarathi, {Ashish M.}",
year = "2016",
month = "9",
day = "1",
doi = "10.1016/j.renene.2016.04.013",
language = "English",
volume = "95",
pages = "225--232",
journal = "Renewable Energy",
issn = "0960-1481",
publisher = "Elsevier BV",

}

TY - JOUR

T1 - Modeling and analysis the productivity of solar desalination units with phase change materials

AU - Mousa, Hasan

AU - Gujarathi, Ashish M.

PY - 2016/9/1

Y1 - 2016/9/1

N2 - Water scarcity in several parts of the world is a matter of concern for human beings. Solar stills are capable of producing fresh water during day hours and the production becomes zero after sunset. In this study detailed modeling of water desalination involving PCM that stores energy during day time and emits it during night time is theoretically investigated. The effect of various parameters such as the PCM type through its melting point, PCM quantity, feed-water flow rate, and solar irradiation on the productivity of the unit expressed as the amount of fresh water produced per day is theoretically investigated. The results showed that the presence of PCM with 40 °C melting point maintains higher water temperatures after sunset but negatively affects the productivity. Decreasing the feed flow rate from 10 L/hr to 1 L/hr improved the fresh water productivity by 49%. When the maximum solar intensity increased from 400 to 1000 W/m2, the fresh water productivity increased from 0.75 L/day to 2.1 L/day. In the presence of PCM and at certain solar irradiation intensity the productivity can be improved by using PCM of higher melting point and reducing water feed flow rate.

AB - Water scarcity in several parts of the world is a matter of concern for human beings. Solar stills are capable of producing fresh water during day hours and the production becomes zero after sunset. In this study detailed modeling of water desalination involving PCM that stores energy during day time and emits it during night time is theoretically investigated. The effect of various parameters such as the PCM type through its melting point, PCM quantity, feed-water flow rate, and solar irradiation on the productivity of the unit expressed as the amount of fresh water produced per day is theoretically investigated. The results showed that the presence of PCM with 40 °C melting point maintains higher water temperatures after sunset but negatively affects the productivity. Decreasing the feed flow rate from 10 L/hr to 1 L/hr improved the fresh water productivity by 49%. When the maximum solar intensity increased from 400 to 1000 W/m2, the fresh water productivity increased from 0.75 L/day to 2.1 L/day. In the presence of PCM and at certain solar irradiation intensity the productivity can be improved by using PCM of higher melting point and reducing water feed flow rate.

KW - Desalination

KW - Energy

KW - Energy storage material

KW - Heat transfer

KW - Phase change materials

KW - Solar unit

UR - http://www.scopus.com/inward/record.url?scp=84962791792&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84962791792&partnerID=8YFLogxK

U2 - 10.1016/j.renene.2016.04.013

DO - 10.1016/j.renene.2016.04.013

M3 - Article

VL - 95

SP - 225

EP - 232

JO - Renewable Energy

JF - Renewable Energy

SN - 0960-1481

ER -