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Thermal Conductivity Enhancement of Doped Magnesium Hydroxide for Medium-Temperature Heat Storage: A Molecular Dynamics Approach and Experimental Validation (2024)
Journal Article
Kur, A., Darkwa, J., Worall, M., Calautit, J., & Boukhanouf, R. (2024). Thermal Conductivity Enhancement of Doped Magnesium Hydroxide for Medium-Temperature Heat Storage: A Molecular Dynamics Approach and Experimental Validation. International Journal of Molecular Sciences, 25(20), Article 11139. https://doi.org/10.3390/ijms252011139

Magnesium hydroxide, Mg(OH) 2 , is recognized as a promising material for medium-temperature heat storage, but its low thermal conductivity limits its full potential application. In this study, thermal enhancement of a developed magnesium hydroxide-p... Read More about Thermal Conductivity Enhancement of Doped Magnesium Hydroxide for Medium-Temperature Heat Storage: A Molecular Dynamics Approach and Experimental Validation.

Potential use of district heating networks and the prospects for the advancements within urban areas of Nottingham as a case study (2024)
Journal Article
Tien, P. W., Feng, Y., Worall, M., Tokbolat, S., Boukhanouf, R., Calautit, J., & Darkwa, J. (2024). Potential use of district heating networks and the prospects for the advancements within urban areas of Nottingham as a case study. Energy Reports, 12, 3904-3929. https://doi.org/10.1016/j.egyr.2024.09.050

Buildings in urban areas significantly contribute to global energy consumption, necessitating solutions to reduce energy demands and mitigate environmental impacts. This study investigates district heating networks in urban areas, using Nottingham as... Read More about Potential use of district heating networks and the prospects for the advancements within urban areas of Nottingham as a case study.

Investigation of model predictive control (MPC) strategy for seasonal thermochemical energy storage system in a district heating network (2024)
Journal Article
Wei, Z., Tien, P. W., Calautit, J., Darkwa, J., Worall, M., & Boukhanouf, R. (2024). Investigation of model predictive control (MPC) strategy for seasonal thermochemical energy storage system in a district heating network. Applied Energy, 376(Part A), Article 124164

This research investigates the integration of model predictive control (MPC) with seasonal thermochemical energy storage systems (STES) within district heating networks, focusing on the Nottingham district heating network as a case study. The primary... Read More about Investigation of model predictive control (MPC) strategy for seasonal thermochemical energy storage system in a district heating network.

Multi-objective integrated optimization of geothermal heating system with energy storage using digital twin technology (2024)
Journal Article
Guo, Y., Tang, Q., Darkwa, J., Wang, H., Su, W., Tang, D., & Mu, J. (2024). Multi-objective integrated optimization of geothermal heating system with energy storage using digital twin technology. Applied Thermal Engineering, 252, Article 123685. https://doi.org/10.1016/j.applthermaleng.2024.123685

Heat energy storage technology plays a significant role in energy systems, and the various technological solutions brought about by digitalization are especially valuable in the field of energy storage. This article proposes an innovative model based... Read More about Multi-objective integrated optimization of geothermal heating system with energy storage using digital twin technology.

Introducing a novel method for simulating stochastic movement and occupancy in residential spaces using time-use survey data (2023)
Journal Article
Zhang, R., Zhou, T., Ye, H., & Darkwa, J. (2024). Introducing a novel method for simulating stochastic movement and occupancy in residential spaces using time-use survey data. Energy and Buildings, 304, Article 113854. https://doi.org/10.1016/j.enbuild.2023.113854

In the context of growing concerns over energy consumption and sustainability, accurate modelling of occupancy patterns within residential buildings is critical. In this study, a novel stochastic occupancy model is introduced for simulating human beh... Read More about Introducing a novel method for simulating stochastic movement and occupancy in residential spaces using time-use survey data.

Enhancement of thermal and mechanical properties of microencapsulated phase change materials with graphene oxide (2023)
Journal Article
Hu, M., Wang, D., Kokogiannakis, G., Darkwa, J., Li, Y., Wang, L., Xu, Q., & Su, W. (2024). Enhancement of thermal and mechanical properties of microencapsulated phase change materials with graphene oxide. Chemical Engineering Journal, 479, Article 147855. https://doi.org/10.1016/j.cej.2023.147855

The low thermal conductivity of microencapsulated phase change materials (MEPCMs) limits the latent heat charging and discharging rates for various applications. To overcome this limitation, we prepared MEPCM by co-surfactants of polyvinyl alcohol an... Read More about Enhancement of thermal and mechanical properties of microencapsulated phase change materials with graphene oxide.

The effect of nucleating agent on the multiphase change materials for energy storage in buildings (2023)
Journal Article
Sinaga, R., Darkwa, J., Worall, M., & Su, W. (2024). The effect of nucleating agent on the multiphase change materials for energy storage in buildings. Applied Thermal Engineering, 239, Article 122153. https://doi.org/10.1016/j.applthermaleng.2023.122153

Phase change materials (PCMs) have the potential to be used for widespread energy storage applications in buildings. However, available PCMs can only function at fixed phase transitional temperatures, restricting their seasonal applicability. To this... Read More about The effect of nucleating agent on the multiphase change materials for energy storage in buildings.

Experimental investigations into thermal performance of phase change emulsion in a fin-and-tube heat exchanger (2023)
Journal Article
Wei, C., Shao, J., & Darkwa, J. (2023). Experimental investigations into thermal performance of phase change emulsion in a fin-and-tube heat exchanger. International Journal of Low-Carbon Technologies, 18, 175–183. https://doi.org/10.1093/ijlct/ctad001

Phase change emulsions (PCMEs) are always identified as potential working fluids that could be used to reduce circulating pump energy consumption in chill water air conditioning systems. But how PCME behaves in a fin-and-tube heat exchanger is still... Read More about Experimental investigations into thermal performance of phase change emulsion in a fin-and-tube heat exchanger.

Solid–Gas Thermochemical Energy Storage Materials and Reactors for Low to High-Temperature Applications: A Concise Review (2023)
Journal Article
Kur, A., Darkwa, J., Calautit, J., Boukhanouf, R., & Worall, M. (2023). Solid–Gas Thermochemical Energy Storage Materials and Reactors for Low to High-Temperature Applications: A Concise Review. Energies, 16(2), Article 756. https://doi.org/10.3390/en16020756

Thermochemical energy storage materials and reactors have been reviewed for a range of temperature applications. For low-temperature applications, magnesium chloride is found to be a suitable candidate at temperatures up to 100 °C, whereas calcium hy... Read More about Solid–Gas Thermochemical Energy Storage Materials and Reactors for Low to High-Temperature Applications: A Concise Review.