THE USE OF PHASE CHANGE MATERIAL TO REDUCE PEAK AIRCONDITIONING LOAD IN HOT CLIMATE OF UAE

Mahmoud Haggag, Ahmed Hassan, Usman Masood

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

District cooling systems are increasingly being deployed in hot climates, which constitute around 50% of energy consumption. A considerable improvement in the district cooling system (DCS) performance can create a substantial impact on the energy consumption and capacity installation through storage by reducing the air conditioning peak load. Using a phase change material (PCM) to absorb and release heat offers latent heating and cooling for the environment. This study aims to incorporate a thermal energy storage system (TES) containing PCM that can store cooling contained in chilled water during off peak time and release the same at the peak time to reduce the peak cooling load. A preliminary study was carried out by the authors on involving paraffin based PCM with melting range of 30- 33°C in a thermal energy storage unit. The purpose of this research is to determine the feasibility of a PCM-based air pre-cooling approach that can reduce the peak cooling demand by 20% by storing ambient cooling from the previous night and releasing it to the fresh air supply stream throughout the following day. The PCM containers are positioned towards the hot air as the pre-cooling unit is installed in a standard AC duct, which allows hot air to reach the test chamber at a specific velocity. The study concluded that PCM enhanced the pre-cooling performance and reduced the outlet air temperature. A drop of 5.5°C occur in case velocity of 1 m/s. Air conditioning system reduced capacity reached by 28%. The optimum use of PCM by incorporating chilled water-cooling is under investigation as the district cooling system delivers chilled water to buildings during day and night. However, most of the night times, buildings are not in use thus storing night time chilled water cooling through the PCM and releasing the same during day time is expected to substantially drop the cooling load.

Original languageEnglish
Title of host publication9th Zero Energy Mass Custom Home International Conference, ZEMCH 2022 - Proceedings
EditorsShaila Bantanur
PublisherZEMCH Network
Pages788-797
Number of pages10
ISBN (Electronic)9788196074623
Publication statusPublished - 2022
Event9th Zero Energy Mass Custom Home International Conference, ZEMCH 2022 - Bangalore, India
Duration: Nov 3 2022Nov 5 2022

Publication series

NameZEMCH International Conference
ISSN (Electronic)2652-2926

Conference

Conference9th Zero Energy Mass Custom Home International Conference, ZEMCH 2022
Country/TerritoryIndia
CityBangalore
Period11/3/2211/5/22

Keywords

  • District Cooling
  • Energy efficiency
  • Latent heat storage
  • Phase change material
  • Thermal energy storage

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Architecture
  • Building and Construction
  • Renewable Energy, Sustainability and the Environment
  • Safety, Risk, Reliability and Quality
  • Computer Science Applications

Fingerprint

Dive into the research topics of 'THE USE OF PHASE CHANGE MATERIAL TO REDUCE PEAK AIRCONDITIONING LOAD IN HOT CLIMATE OF UAE'. Together they form a unique fingerprint.

Cite this