Skip to main content

Research Repository

Advanced Search

Professor YUPENG WU's Outputs (74)

Assessment of HVAC system operational fault impacts and multiple faults interactions under climate change (2022)
Journal Article
Zhong, F., Calautit, J. K., & Wu, Y. (2022). Assessment of HVAC system operational fault impacts and multiple faults interactions under climate change. Energy, 258, Article 124762. https://doi.org/10.1016/j.energy.2022.124762

The effect of climate change on heating, ventilation and airconditioning (HVAC) system performances has become prominent, and HVAC fault impacts may also vary with climate change. This paper evaluates the impacts of HVAC operational faults on system... Read More about Assessment of HVAC system operational fault impacts and multiple faults interactions under climate change.

A review on occupancy prediction through machine learning for enhancing energy efficiency, air quality and thermal comfort in the built environment (2022)
Journal Article
Zhang, W., Wu, Y., & Calautit, J. K. (2022). A review on occupancy prediction through machine learning for enhancing energy efficiency, air quality and thermal comfort in the built environment. Renewable and Sustainable Energy Reviews, 167, Article 112704. https://doi.org/10.1016/j.rser.2022.112704

The occupants' presence, activities, and behaviour can significantly impact the building's performance and energy efficiency. Currently, heating, ventilation, and air-conditioning (HVAC) systems are often run based on assumed occupancy levels and fix... Read More about A review on occupancy prediction through machine learning for enhancing energy efficiency, air quality and thermal comfort in the built environment.

Deep learning and computer vision based occupancy CO2 level prediction for demand-controlled ventilation (DCV) (2022)
Journal Article
Wei, S., Tien, P. W., Chow, T. W., Wu, Y., & Calautit, J. K. (2022). Deep learning and computer vision based occupancy CO2 level prediction for demand-controlled ventilation (DCV). Journal of Building Engineering, 56, Article 104715. https://doi.org/10.1016/j.jobe.2022.104715

The present study investigated the potential of the application of a live occupancy detection approach to assist the operations of demand-controlled ventilation (DCV) systems to ensure that sufficient interior thermal conditions and air quality were... Read More about Deep learning and computer vision based occupancy CO2 level prediction for demand-controlled ventilation (DCV).

Numerical evaluation of an optically switchable photovoltaic glazing system for passive daylighting control and energy-efficient building design (2022)
Journal Article
Liu, X., & Wu, Y. (2022). Numerical evaluation of an optically switchable photovoltaic glazing system for passive daylighting control and energy-efficient building design. Building and Environment, 219, Article 109170. https://doi.org/10.1016/j.buildenv.2022.109170

Adaptive control of solar heat gain and visible light transmission through windows is perceived to be a potential measure for enhancing energy conservation and visual comfort in buildings. In this study, a novel versatile window, named Building Integ... Read More about Numerical evaluation of an optically switchable photovoltaic glazing system for passive daylighting control and energy-efficient building design.

Development of MgSO4/mesoporous silica composites for thermochemical energy storage: the role of porous structure on water adsorption (2022)
Journal Article
Liu, X., Wang, H., Liu, X., Yang, F., Guan, L., Sani, S., Sun, C., & Wu, Y. (2022). Development of MgSO4/mesoporous silica composites for thermochemical energy storage: the role of porous structure on water adsorption. Energy Reports, 8, 4913-4921. https://doi.org/10.1016/j.egyr.2022.03.137

Composites ‘salt in porous matrix’ has been considered as a promising candidate for thermal energy storage due to their large sorption capacity, energy density and high cyclic stability. In this study, novel salt composites were prepared by using dif... Read More about Development of MgSO4/mesoporous silica composites for thermochemical energy storage: the role of porous structure on water adsorption.

Intelligent windows for electricity generation: A technologies review (2022)
Journal Article
Salas Castillo, M. S., Liu, X., Abd-AlHamid, F., Connelly, K., & Wu, Y. (2022). Intelligent windows for electricity generation: A technologies review. Building Simulation, 15(10), 1747-1773. https://doi.org/10.1007/s12273-022-0895-y

Buildings are responsible for over 40% of total primary energy consumption in the US and EU and therefore improving building energy efficiency has significant potential for obtaining net-zero energy buildings reducing energy consumption. The concurre... Read More about Intelligent windows for electricity generation: A technologies review.

Ternary composite phase change materials (PCMs) towards low phase separation and supercooling: eutectic behaviors and application (2022)
Journal Article
Xing, X., Lu, W., Zhang, G., Wu, Y., Du, Y., Xiong, Z., Wang, L., Du, K., & Wang, H. (2022). Ternary composite phase change materials (PCMs) towards low phase separation and supercooling: eutectic behaviors and application. Energy Reports, 8, 2646-2655. https://doi.org/10.1016/j.egyr.2021.12.069

Salt hydrates have been used as phase change materials (PCMs) for various types of Thermal Energy Storage (TES) especially for cold storage. In this project, a novel composite phase change material (PCM) consisted of mixed solution of inorganic salt... Read More about Ternary composite phase change materials (PCMs) towards low phase separation and supercooling: eutectic behaviors and application.

Development of cost-effective PCM-carbon foam composites for thermal energy storage (2022)
Journal Article
Liu, X., Yang, F., Li, M., Sun, C., & Wu, Y. (2022). Development of cost-effective PCM-carbon foam composites for thermal energy storage. Energy Reports, 8, 1696-1703. https://doi.org/10.1016/j.egyr.2021.12.065

Phase Change Materials (PCMs) has gained considerable interest for storing thermal energy originating from the solar irradiation, industrial waste heat and surplus heat. Here, we present the facile and scalable synthesis of PCM-carbon foam composites... Read More about Development of cost-effective PCM-carbon foam composites for thermal energy storage.

Switching daylight: Performance prediction of climate adaptive ETFE foil façades (2021)
Journal Article
Flor, J. F., Liu, X., Sun, Y., Beccarelli, P., Chilton, J., & Wu, Y. (2022). Switching daylight: Performance prediction of climate adaptive ETFE foil façades. Building and Environment, 209, Article 108650. https://doi.org/10.1016/j.buildenv.2021.108650

This paper reports on the daylighting performance of switchable ethylene-tetrafluoroethylene (ETFE) foil in double-skin façades (DSF). In contrast to conventional glazing or static ETFE façades, switchable ETFE moderates incident daylight and control... Read More about Switching daylight: Performance prediction of climate adaptive ETFE foil façades.

Retrofitting office buildings: Enhancing daylighting performance with switchable ETFE double-skin façades (2021)
Presentation / Conference Contribution
Flor, J., Sun, Y., Beccarelli, P., Wu, Y., & Chilton, J. (2021, September). Retrofitting office buildings: Enhancing daylighting performance with switchable ETFE double-skin façades. Presented at 10th edition of the conference on Textile Composites and Inflatable Structures (Structural Membranes 2021), Online

This paper addresses the natural daylighting qualities of spaces enclosed by ETFE
multi-layer foil constructions with switchable features. The study focuses on the effects the
adaptive shading mechanism has on the internal space in terms of useful... Read More about Retrofitting office buildings: Enhancing daylighting performance with switchable ETFE double-skin façades.

Experimental Characterisation of a Smart Glazing with Tuneable Transparency, Light Scattering Ability and Electricity Generation Function (2021)
Journal Article
Liu, X., & Wu, Y. (2021). Experimental Characterisation of a Smart Glazing with Tuneable Transparency, Light Scattering Ability and Electricity Generation Function. Applied Energy, 303, Article 117521. https://doi.org/10.1016/j.apenergy.2021.117521

Daylighting control technologies have become an essential part of sustainable building design to reduce overheating, glare and energy consumption in buildings. In this paper, a smart glazing system where a Building Integrated Photovoltaic (BIPV) glaz... Read More about Experimental Characterisation of a Smart Glazing with Tuneable Transparency, Light Scattering Ability and Electricity Generation Function.

Numerical investigation of a smart window system with thermotropic parallel Slat-Transparent Insulation Material for building energy conservation and daylight autonomy (2021)
Journal Article
Sun, Y., Wilson, R., Liu, H., & Wu, Y. (2021). Numerical investigation of a smart window system with thermotropic parallel Slat-Transparent Insulation Material for building energy conservation and daylight autonomy. Building and Environment, 203, Article 108048. https://doi.org/10.1016/j.buildenv.2021.108048

Smart window designs have emerged as a means of providing dynamic regulation of solar energy and daylight, enhancing indoor comfort, and achieving building energy conservation. We evaluated a novel window design that integrated a thermotropic (TT) ma... Read More about Numerical investigation of a smart window system with thermotropic parallel Slat-Transparent Insulation Material for building energy conservation and daylight autonomy.

Energy and daylight performance of a smart window: Window integrated with thermotropic parallel slat-transparent insulation material (2021)
Journal Article
Sun, Y., Liu, X., Ming, Y., Liu, X., Mahon, D., Wilson, R., Liu, H., Eames, P., & Wu, Y. (2021). Energy and daylight performance of a smart window: Window integrated with thermotropic parallel slat-transparent insulation material. Applied Energy, 293, Article 116826. https://doi.org/10.1016/j.apenergy.2021.116826

With the increasing awareness of building energy efficiency, indoor environment quality for human wellbeing and working efficiency, efforts have intensified in to inventing intelligent building components. This paper provides a first step in developi... Read More about Energy and daylight performance of a smart window: Window integrated with thermotropic parallel slat-transparent insulation material.

Design, development and characterisation of a Building Integrated Concentrating Photovoltaic (BICPV) smart window system (2021)
Journal Article
Liu, X., & Wu, Y. (2021). Design, development and characterisation of a Building Integrated Concentrating Photovoltaic (BICPV) smart window system. Solar Energy, 220, 722-734. https://doi.org/10.1016/j.solener.2021.03.037

Building Integrated Concentrating Photovoltaic (BICPV) window represents a promising alternative approach for improving the electricity generation of photovoltaic cells when integrated into building windows. As a new concept, BICPV smart window consi... Read More about Design, development and characterisation of a Building Integrated Concentrating Photovoltaic (BICPV) smart window system.

Monte-Carlo optical model coupled with Inverse Adding-Doubling for Building Integrated Photovoltaic smart window design and characterisation (2021)
Journal Article
Liu, X., & Wu, Y. (2021). Monte-Carlo optical model coupled with Inverse Adding-Doubling for Building Integrated Photovoltaic smart window design and characterisation. Solar Energy Materials and Solar Cells, 223, Article 110972. https://doi.org/10.1016/j.solmat.2021.110972

Building Integrated Photovoltaic (BIPV) glazings are promising technologies with the benefits of electricity generation, solar shading and building energy savings. A new approach is to integrate BIPV windows with thermotropic materials such as Hydrox... Read More about Monte-Carlo optical model coupled with Inverse Adding-Doubling for Building Integrated Photovoltaic smart window design and characterisation.

Virtual Reality as a tool for evaluating user acceptance of view clarity through ETFE double-skin façades (2020)
Journal Article
Flor, J.-F., Aburas, M., Abd-Alhamid, F., & Wu, Y. (2021). Virtual Reality as a tool for evaluating user acceptance of view clarity through ETFE double-skin façades. Energy and Buildings, 231, Article 110554. https://doi.org/10.1016/j.enbuild.2020.110554

Equipping building envelopes with an additional layer is an effective measure for improving the overall thermal and daylighting performance and reducing the energy consumption of buildings. This study investigated the user acceptance of energy-savi... Read More about Virtual Reality as a tool for evaluating user acceptance of view clarity through ETFE double-skin façades.

Evaluating the impact of viewing location on view perception using a virtual environment (2020)
Journal Article
Abd-Alhamid, F., Kent, M., Calautit, J., & Wu, Y. (2020). Evaluating the impact of viewing location on view perception using a virtual environment. Building and Environment, 180, Article 106932. https://doi.org/10.1016/j.buildenv.2020.106932

Window views are an important design feature in buildings. Views can impact the cognitive attention, psychological and physiological well-being of building occupants due to their ability to provide recovery in stressful working environments. The impa... Read More about Evaluating the impact of viewing location on view perception using a virtual environment.

A 3D printed drug delivery implant formed from a dynamic supramolecular polyurethane formulation (2020)
Journal Article
Salimi, S., Wu, Y., Barreiros, M. I. E., Natfji, A. A., Khaled, S., Wildman, R., Hart, L. R., Greco, F., Clark, E. A., Roberts, C. J., & Hayes, W. (2020). A 3D printed drug delivery implant formed from a dynamic supramolecular polyurethane formulation. Polymer Chemistry, 11(20), 3453-3464. https://doi.org/10.1039/d0py00068j

© 2020 The Royal Society of Chemistry. Using a novel molecular design approach, we have prepared a thermo-responsive supramolecular polyurethane as a matrix material for use in drug eluting implants. The dynamic supramolecular polyurethane (SPU) is a... Read More about A 3D printed drug delivery implant formed from a dynamic supramolecular polyurethane formulation.

Toward a Sustainable Decentralized Water Supply: Review of Adsorption Desorption Desalination (ADD) and Current Technologies: Saudi Arabia (SA) as a Case Study (2020)
Journal Article
Alnajdi, O., Wu, Y., & Calautit, J. K. (2020). Toward a Sustainable Decentralized Water Supply: Review of Adsorption Desorption Desalination (ADD) and Current Technologies: Saudi Arabia (SA) as a Case Study. Water, 12(4), Article 1111. https://doi.org/10.3390/w12041111

Several regions are confronting a severe scarcity of fresh water due to the gap between supply and demand. They strive to bridge that gap by depleting nonrenewable water aquifers and expanding centralized energy-intensive desalination technologies. C... Read More about Toward a Sustainable Decentralized Water Supply: Review of Adsorption Desorption Desalination (ADD) and Current Technologies: Saudi Arabia (SA) as a Case Study.