Dynamic Modelling and Experimental Validation of a Pneumatic Radial Piston Motor (2023)
Journal Article
Grimaldi, K., Najjaran, A., Ma, Z., Bao, H., & Roskilly, T. (2023). Dynamic Modelling and Experimental Validation of a Pneumatic Radial Piston Motor. Energies, 16(4), Article 1954. https://doi.org/10.3390/en16041954

A pneumatic radial piston motor is studied in this paper in order to establish a dynamic modelling and simulation method. As a result of using geometric parameters, the piston cylinder volume change was calculated, and the heat transfer equation, the... Read More about Dynamic Modelling and Experimental Validation of a Pneumatic Radial Piston Motor.

Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept (2023)
Journal Article
Ameen, M. T., Ma, Z., Smallbone, A., Norman, R., & Roskilly, A. P. (2023). Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept. Energy Conversion and Management, 277, https://doi.org/10.1016/j.enconman.2022.116648

This paper presents a study carried out as part of commissioning and testing of world’s first grid-scale 150 kWe Pumped Heat Energy Storage (PHES) demonstration system. The system employs two novel layered packed-bed thermal stores. The present study... Read More about Experimental study and analysis of a novel layered packed-bed for thermal energy storage applications: A proof of concept.

Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency (2023)
Journal Article
Ameen, M. T., Ma, Z., Smallbone, A., Norman, R., & Roskilly, A. P. (2023). Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency. Applied Energy, 333, https://doi.org/10.1016/j.apenergy.2022.120580

Among the known energy storage technologies aiming to increase the efficiency and stability of power grids, Pumped Heat Energy Storage (PHES) is considered by many as a promising candidate because of its flexibility, potential for scale-up and low co... Read More about Demonstration system of pumped heat energy storage (PHES) and its round-trip efficiency.

Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications (2023)
Journal Article
Najjaran, A., Meibodi, S., Ma, Z., Bao, H., & Roskilly, T. (2023). Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications. Energies, 16(1), Article 489. https://doi.org/10.3390/en16010489

This study presents a detailed dynamic modelling and generic simulation method of an oscillating diaphragm compressor for chemisorption energy technology applications. The geometric models of the compressor were developed step by step, including the... Read More about Experimentally Validated Modelling of an Oscillating Diaphragm Compressor for Chemisorption Energy Technology Applications.

Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage (2022)
Journal Article
Thinsurat, K., Ma, Z., Roskilly, A. P., & Bao, H. (2022). Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage. Energy Conversion and Management: X, 15, Article 100248. https://doi.org/10.1016/j.ecmx.2022.100248

This paper studied the performance of a compressor-assisted thermochemical sorption energy storage (CATSES) system with a solar photovoltaic-thermal collector (PV/T) to support the domestic space and hot water heating. The heat from the PV/T drives e... Read More about Compressor-assisted thermochemical sorption integrated with solar photovoltaic-thermal collector for seasonal solar thermal energy storage.

A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Smallbone, A. J., & Roskilly, A. P. (2022). A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops. Energy Conversion and Management, 261, Article 115654. https://doi.org/10.1016/j.enconman.2022.115654

The paint shop is the most energy-intensive process in an automotive manufacturing plant, with air management systems that supply air to paint booths consuming the most energy. These systems are crucial for temperature and humidity control, in which... Read More about A techno-economic evaluation of low-grade excess heat recovery and liquid desiccant-based temperature and humidity control in automotive paint shops.

Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Bao, H., Smallbone, A. J., & Roskilly, A. P. (2022). Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness. Applied Energy, 314, Article 118962. https://doi.org/10.1016/j.apenergy.2022.118962

The paper developed correlations for predicting moisture and enthalpy effectiveness of the liquid desiccant dehumidification and regeneration process. Experimental dehumidification and regeneration data available from the literature with different sy... Read More about Liquid Desiccant Dehumidification and Regeneration Process: Advancing Correlations for Moisture and Enthalpy Effectiveness.

Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage (2022)
Journal Article
Albert, M., Ma, Z., Bao, H., & Roskilly, A. P. (2022). Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage. Applied Energy, 312, Article 118700. https://doi.org/10.1016/j.apenergy.2022.118700

Pumped Thermal Energy Storage (PTES) is an increasingly attractive area of research due to its multidimensional advantages over other grid scale electricity storage technologies. This paper built a model and numerically studied the performance of an... Read More about Operation and performance of Brayton Pumped Thermal Energy Storage with additional latent storage.

An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing (2022)
Journal Article
Giampieri, A., Ma, Z., Ling-Chin, J., Roskilly, A., & Smallbone, A. (2022). An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing. Energy, 244(Part A), Article 122709. https://doi.org/10.1016/j.energy.2021.122709

The spread of the coronavirus SARS-CoV-2 affects the health of people and the economy worldwide. As air transmits the virus, heating, ventilation and air-conditioning (HVAC) systems in buildings, enclosed spaces and public transport play a significan... Read More about An overview of solutions for airborne viral transmission reduction related to HVAC systems including liquid desiccant air-scrubbing.

A high-throughput computational screening of potential adsorbents for a thermal compression CO2 Brayton cycle (2021)
Journal Article
Du, Z., Deng, S., Zhao, L., Ma, Z., Bao, H., & Zhao, J. (2021). A high-throughput computational screening of potential adsorbents for a thermal compression CO2 Brayton cycle. Sustainable Energy & Fuels, 1415-1428. https://doi.org/10.1039/d0se01538e

By employing heat rather than mechanical work to compress the working fluid, the thermal compression CO2 Brayton cycle (TC-CBC) has been considered as a promising pathway to the efficient utilization of low-grade thermal energy. However, finding reas... Read More about A high-throughput computational screening of potential adsorbents for a thermal compression CO2 Brayton cycle.

Electricity-assisted thermochemical sorption system for seasonal solar energy storage (2020)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2020). Electricity-assisted thermochemical sorption system for seasonal solar energy storage. Energy Conversion and Management, 209, Article 112659. https://doi.org/10.1016/j.enconman.2020.112659

The present paper investigated the seasonal solar thermal energy storage (SSTES) using solid-gas thermochemical sorption technology that has inherently combined function of heat pump and energy storage. The thermochemical reactions that can discharge... Read More about Electricity-assisted thermochemical sorption system for seasonal solar energy storage.

Impact of different packed bed heat storage technologies on the performance of a pumped heat energy storage system (2019)
Conference Proceeding
Ma, Z., Bao, H., Ameen, T., Smallbone, A., & Roskilly, T. (2019). Impact of different packed bed heat storage technologies on the performance of a pumped heat energy storage system.

A review of the current automotive manufacturing practice from an energy perspective (2019)
Journal Article
Giampieri, A., Ling-Chin, J., Ma, Z., Smallbone, A., & Roskilly, A. (2020). A review of the current automotive manufacturing practice from an energy perspective. Applied Energy, 261, Article 114074. https://doi.org/10.1016/j.apenergy.2019.114074

The automotive industry is facing on-going challenges to improve the sustainability of its manufacturing processes and vehicle emissions due to economic, environmental, marketability and policy concerns. This review aims to evaluate steps that could... Read More about A review of the current automotive manufacturing practice from an energy perspective.

Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors (2019)
Journal Article
Giampieri, A., Ma, Z., Chin, J. L., Smallbone, A., Lyons, P., Khan, I., …Roskilly, A. P. (2019). Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors. Applied Energy, 247, 60-77. https://doi.org/10.1016/j.apenergy.2019.04.003

High-voltage direct current interconnection stations are increasingly used for long-distance electricity transport worldwide, due to efficiency and economic reasons. The identification and evaluation of cost-effective waste heat sources appropriate f... Read More about Techno-economic analysis of the thermal energy saving options for high-voltage direct current interconnectors.

Comparative Analysis of Small-Scale Organic Rankine Cycle Systems for Solar Energy Utilisation (2019)
Journal Article
Wang, R., Jiang, L., Ma, Z., Gonzalez-Diaz, A., Wang, Y., & Roskilly, A. (2019). Comparative Analysis of Small-Scale Organic Rankine Cycle Systems for Solar Energy Utilisation. Energies, 12(5), Article 829. https://doi.org/10.3390/en12050829

Small-scale organic Rankine cycle (ORC) systems driven by solar energy are compared in this paper, which aims to explore the potential of power generation for domestic utilisation. A solar thermal collector was used as the heat source for a hot water... Read More about Comparative Analysis of Small-Scale Organic Rankine Cycle Systems for Solar Energy Utilisation.

Seasonal solar thermal energy storage using thermochemical sorption in domestic dwellings in the UK (2019)
Journal Article
Ma, Z., Bao, H., & Roskilly, A. P. (2019). Seasonal solar thermal energy storage using thermochemical sorption in domestic dwellings in the UK. Energy, 166, 213-222. https://doi.org/10.1016/j.energy.2018.10.066

The present paper explored the potential of the seasonal solar thermal energy storage (SSTES) system using ammonia-based chemisorption for domestic application in the UK. The dynamic charging/discharging performance of the SSTES has been simulated us... Read More about Seasonal solar thermal energy storage using thermochemical sorption in domestic dwellings in the UK.

Development of Empirical Correlations for Predicting Moisture and Enthalpy Effectiveness of Liquid Desiccant Dehumidification Process (2018)
Conference Proceeding
Ma, Z., Bao, H., & Roskilly, T. (2018). Development of Empirical Correlations for Predicting Moisture and Enthalpy Effectiveness of Liquid Desiccant Dehumidification Process.

Feasibility Study of Seasonal Solar Thermal Energy Storage using Ammonia Chemisorption in Domestic Dwellings in the UK (2018)
Conference Proceeding
Ma, Z., Bao, H., & Roskilly, T. (2018). Feasibility Study of Seasonal Solar Thermal Energy Storage using Ammonia Chemisorption in Domestic Dwellings in the UK.

Performance study of solar photovoltaic-thermal collector for domestic hot water use and thermochemical sorption seasonal storage (2018)
Journal Article
Thinsurat, K., Bao, H., Ma, Z., & Roskilly, A. P. (2019). Performance study of solar photovoltaic-thermal collector for domestic hot water use and thermochemical sorption seasonal storage. Energy Conversion and Management, 180, 1068-1084. https://doi.org/10.1016/j.enconman.2018.11.049

To maximise the utilisation of solar energy and improve the solar fraction for domestic applications, this paper explored the potential of the hybrid solar Photovoltaic/Thermal (PV/T) collector integrated with a thermochemical sorption thermal storag... Read More about Performance study of solar photovoltaic-thermal collector for domestic hot water use and thermochemical sorption seasonal storage.

State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry (2018)
Book Chapter
Ling-Chin, J., Bao, H., Ma, Z., Taylor, W., & Roskilly, A. P. (2018). State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry. In I. H. Al-Bahadly (Ed.), Energy conversion : current technologies and future trends (55-74). IntechOpen. https://doi.org/10.5772/intechopen.78701

To improve energy efficiency in industry, low-grade heat recovery technologies have been advanced continuously. This chapter aims to provide a basic understanding of state-of-the-art technologies for low-grade heat recovery and utilization in industr... Read More about State-of-the-Art Technologies on Low-Grade Heat Recovery and Utilization in Industry.