Experimental investigation to the desalination performance of a system due to integration of a solar collection chamber and a cooling chimney

Qichao Hu, Xiaoxin Wang, Peiwen Li

Research output: Contribution to journalConference articlepeer-review

Abstract

The paper presents a concept and experimental study to a solar thermal desalination system, which has three components integrated, including a glass-covered solar thermal collection chamber, a basin with salty water for evaporation, and a cooling chimney for water vapor condensation. Both clean water and salts can be collected as products for maximized value and leaving no waste discharge and minimal impact to the environment. An experimental system was constructed for laboratory test before outdoor on-sun operation. Constant temperature of the water in water basin was maintained by electrical heaters in the experimental test. Measurements were conducted for airflow rate drawn into the solar collection chamber, and the humidity and temperature of the humid air at locations of in and outlet of the cooling chimney. Understanding to the relationship of water temperatures and airflow rate as well as water production rate has been obtained, which will lead to optimization design of the system for better energy efficiency.

Original languageEnglish (US)
Pages (from-to)201-212
Number of pages12
JournalProceedings of the Thermal and Fluids Engineering Summer Conference
Volume2020-April
DOIs
StatePublished - 2020
Event5th Thermal and Fluids Engineering Conference, TFEC 2020 - New Orleans, United States
Duration: Apr 5 2020Apr 8 2020

Keywords

  • Cooling chimney
  • Desalination
  • Heat/mass transfer
  • Solar thermal energy
  • Zero waste discharge

ASJC Scopus subject areas

  • Fluid Flow and Transfer Processes
  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Condensed Matter Physics

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