Dr JOHN CALAUTIT's Outputs (57)

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-pot... 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.

Investigation of a model predictive control (MPC) strategy for seasonal thermochemical energy storage systems in district heating networks (2024)
Journal Article
Wei, Z., Tien, P. W., Calautit, J., Darkwa, J., Worall, M., & Boukhanouf, R. (2024). Investigation of a model predictive control (MPC) strategy for seasonal thermochemical energy storage systems in district heating networks. Applied Energy, 376, Part A, Article 124164. https://doi.org/10.1016/j.apenergy.2024.124164

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 as a case study. The primary aim is... Read More about Investigation of a model predictive control (MPC) strategy for seasonal thermochemical energy storage systems in district heating networks.

Pollutant cross-transmission in courtyard buildings: Wind tunnel experiments and computational fluid dynamics (CFD) evaluation (2024)
Journal Article
Sun, H., Owen, J. S., Almazmumi, S., Liu, C., Mohammadi, M., Dik, A., Jimenez-Bescos, C., & Calautit, J. K. (2024). Pollutant cross-transmission in courtyard buildings: Wind tunnel experiments and computational fluid dynamics (CFD) evaluation. Building and Environment, 264, Article 111919. https://doi.org/10.1016/j.buildenv.2024.111919

Courtyards, a historical architectural feature surrounded by buildings, are common in urban housing and residential complexes. These spaces, often open-air and with rooms facing them, are crucial for daylight and natural ventilation. While courtyards... Read More about Pollutant cross-transmission in courtyard buildings: Wind tunnel experiments and computational fluid dynamics (CFD) evaluation.

A Review of Thermochemical Energy Storage Systems for District Heating in the UK (2024)
Journal Article
Roger-Lund, S., Darkwa, J., Worall, M., Calautit, J., & Boukhanouf, R. (2024). A Review of Thermochemical Energy Storage Systems for District Heating in the UK. Energies, 17(14), Article 3389. https://doi.org/10.3390/en17143389

Thermochemical energy storage (TCES) presents a promising method for energy storage due to its high storage density and capacity for long-term storage. A combination of TCES and district heating networks exhibits an appealing alternative to natural g... Read More about A Review of Thermochemical Energy Storage Systems for District Heating in the UK.

Towards sustainable urban living: A holistic energy strategy for electric vehicle and heat pump adoption in residential communities (2024)
Journal Article
Dik, A., Kutlu, C., Sun, H., Calautit, J. K., Boukhanouf, R., & Omer, S. (2024). Towards sustainable urban living: A holistic energy strategy for electric vehicle and heat pump adoption in residential communities. Sustainable Cities and Society, 107, Article 105412. https://doi.org/10.1016/j.scs.2024.105412

Electric vehicles (EVs) and heat pumps (HPs) are key in reducing carbon emissions from transportation and domestic heating, yet their adoption may increase peak load demands on electrical networks. One of the aims of this research is to assess the po... Read More about Towards sustainable urban living: A holistic energy strategy for electric vehicle and heat pump adoption in residential communities.

Synthesis and Characterization of Doped Magnesium Hydroxide for Medium Heat Storage Application (2023)
Journal Article
Albeladi, N., Kur, A., Mokaya, R., Darkwa, J., Roger-Lund, S., Worall, M., Calautit, J., & Boukhanouf, R. (2023). Synthesis and Characterization of Doped Magnesium Hydroxide for Medium Heat Storage Application. Materials, 16(18), Article 6296. https://doi.org/10.3390/ma16186296

The amount of waste heat generated annually in the UK exceeds the total annual electricity demand. Hence, it is crucial to effectively harness all available sources of waste heat based on their varying temperatures. Through suitable technologies, a s... Read More about Synthesis and Characterization of Doped Magnesium Hydroxide for Medium Heat Storage Application.

Inter-room pollutant transmission routes in naturally ventilated street canyon buildings (2023)
Journal Article
Mohammadi, M., Calautit, J. K., Owen, J. S., Gromke, C., Wu, Y., & Liu, H. (2023). Inter-room pollutant transmission routes in naturally ventilated street canyon buildings. Journal of Building Engineering, 79, Article 107510. https://doi.org/10.1016/j.jobe.2023.107510

Airborne transmission of pollutants is a significant concern in urban areas, especially since the recent pandemic. While previous studies have explored inter-room pollutant crossflow in highrise buildings and isolated scenarios, the ventilation chara... Read More about Inter-room pollutant transmission routes in naturally ventilated street canyon buildings.

Fault data seasonal imbalance and insufficiency impacts on data-driven heating, ventilation and air-conditioning fault detection and diagnosis performances for energy-efficient building operations (2023)
Journal Article
Zhong, F., Calautit, J. K., & Wu, Y. (2023). Fault data seasonal imbalance and insufficiency impacts on data-driven heating, ventilation and air-conditioning fault detection and diagnosis performances for energy-efficient building operations. Energy, 282, Article 128180. https://doi.org/10.1016/j.energy.2023.128180

The heating, ventilation and air-conditioning fault impacts vary with different seasonal climatic conditions, but the fault data may not be available under some seasons in real buildings due to the frequency and span of fault occurrences. This study... Read More about Fault data seasonal imbalance and insufficiency impacts on data-driven heating, ventilation and air-conditioning fault detection and diagnosis performances for energy-efficient building operations.

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.

Enhancing the detection performance of a vision-based window opening detector (2022)
Journal Article
Tien, P. W., Wei, S., Calautit, J., Darkwa, J., & Wood, C. (2022). Enhancing the detection performance of a vision-based window opening detector. Cleaner Energy Systems, 3, Article 100038. https://doi.org/10.1016/j.cles.2022.100038

In favourable climates and building types, employing natural ventilation can lead to significant energy savings and health benefits. However, in cold climates or conditions, the use of natural ventilation could result in significant heat loss and, co... Read More about Enhancing the detection performance of a vision-based window opening detector.

Machine Learning and Deep Learning Methods for Enhancing Building Energy Efficiency and Indoor Environmental Quality – A Review (2022)
Journal Article
Tien, P. W., Wei, S., Darkwa, J., Wood, C., & Calautit, J. K. (2022). Machine Learning and Deep Learning Methods for Enhancing Building Energy Efficiency and Indoor Environmental Quality – A Review. Energy and AI, 10, Article 100198. https://doi.org/10.1016/j.egyai.2022.100198

The built environment sector is responsible for almost one-third of the world's final energy consumption. Hence, seeking plausible solutions to minimise building energy demands and mitigate adverse environmental impacts is necessary. Artificial intel... Read More about Machine Learning and Deep Learning Methods for Enhancing Building Energy Efficiency and Indoor Environmental Quality – A Review.

Enhancing the detection performance of a vision-based occupancy detector for buildings (2022)
Journal Article
Tien, P. W., Wei, S., Chow, T. W., Darkwa, J., Wood, C., & Calautit, J. K. (2023). Enhancing the detection performance of a vision-based occupancy detector for buildings. Proceedings of the ICE - Engineering Sustainability, 176(6), 301-314. https://doi.org/10.1680/jensu.22.00013

Occupant behaviour is one of the key parameters that significantly impact the operation of heating, ventilation and air-conditioning (HVAC) systems and the energy performance of buildings. Detailed occupancy information can improve HVAC operation and... Read More about Enhancing the detection performance of a vision-based occupancy detector for buildings.

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).

Evaluating urban heat island mitigation strategies for a subtropical city centre (a case study in Osaka, Japan) (2022)
Journal Article
Zheng, T., Qu, K., Darkwa, J., & Calautit, J. K. (2022). Evaluating urban heat island mitigation strategies for a subtropical city centre (a case study in Osaka, Japan). Energy, 250, Article 123721. https://doi.org/10.1016/j.energy.2022.123721

Urban heat island (UHI) effects were first observed in London in the 19th century. The urban heat island is identified by developing higher temperatures in urban areas than the surrounding rural areas that directly surround them. However, there are s... Read More about Evaluating urban heat island mitigation strategies for a subtropical city centre (a case study in Osaka, Japan).

Prospects of Bioenergy Production for Sustainable Rural Development in Ghana (2021)
Journal Article
Nelson, N., Darkwa, J., & Calautit, J. (2021). Prospects of Bioenergy Production for Sustainable Rural Development in Ghana. Journal of Sustainable Bioenergy Systems, 11(04), 227-259. https://doi.org/10.4236/jsbs.2021.114015

Biomass supplies about 80% of the energy needs for cooking and heating in rural Ghana. It is predominantly used in traditional and inefficient forms (firewood and charcoal), which presents environmental and health concerns. In order to better the liv... Read More about Prospects of Bioenergy Production for Sustainable Rural Development in Ghana.

Real-time monitoring of occupancy activities and window opening within buildings using an integrated deep learning-based approach for reducing energy demand (2021)
Journal Article
Tien, P. W., Wei, S., Calautit, J. K., Darkwa, J., & Wood, C. (2022). Real-time monitoring of occupancy activities and window opening within buildings using an integrated deep learning-based approach for reducing energy demand. Applied Energy, 308, Article 118336. https://doi.org/10.1016/j.apenergy.2021.118336

Occupancy behaviour in buildings can impact the energy performance and operation of heating, ventilation and air-conditioning (HVAC) systems. HVAC, which uses conventional control strategies or “fixed” setpoint schedules, could not adjust to the cond... Read More about Real-time monitoring of occupancy activities and window opening within buildings using an integrated deep learning-based approach for reducing energy demand.