NDLI: Simulation-based analysis of the use of PCM-wallboards to reduce cooling energy demand and peak-loads in low-rise residential heavyweight buildings in Kuwait

Content Provider	Springer Nature Link
Author	Soares, Nelson Reinhart, Christoph F. Hajiah, Ali
Copyright Year	2017
Abstract	Between 2000 and 2015, annual electric peak demand in Kuwait has doubled to 15000 MW and the Ministry of Energy and Water expects this number to double once more by 2030 attributing 70% of this growth to new housing projects. Within this context, this manuscript evaluates the effect of incorporating PCM-wallboards in low-rise air-conditioned residential heavyweight buildings in Kuwait. Using an EnergyPlus single-zone model, a parametric study is performed considering several window-to-wall ratios (WWRs), different solar orientations and some PCM-wallboards configurations. The main study goals are to: (i) explore the validity of a single PCM-wallboard solution that can be universally applied throughout residential buildings in Kuwait; (ii) evaluate the impact of PCMwallboard on the reduction of both cooling demand and peak-loads; (iii) provide some guidelines for incorporating PCM-wallboards in Kuwait. Following an extensive parametric study, a 4 cm thick PCM-wallboard with a melting-peak temperature of 24 °C yielded the lowest annual cooling demand across a variety of room orientations and WWRs assuming cooling setpoint of 24 °C. Its implementation led to annual cooling energy savings of 4%–5% across all the case-studies. Regarding the impact throughout the year, cooling demand and peak-loads can be reduced by 5%–7% during summer months. The average daily cooling loads can be reduced by 5%–8%.
Starting Page	481
Ending Page	495
Page Count	15
File Format	PDF
ISSN	19963599
Journal	Building Simulation
Volume Number	10
Issue Number	4
e-ISSN	19968744
Language	English
Publisher	Tsinghua University Press
Publisher Date	2017-01-16
Publisher Place	Beijing
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PCM-wallboards residential buildings hot arid climate cooling energy demand dynamic simulation Building Construction and Design Engineering Thermodynamics, Heat and Mass Transfer Atmospheric Protection/Air Quality Control/Air Pollution Monitoring/Environmental Analysis
Content Type	Text
Resource Type	Article
Subject	Building and Construction Energy

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