All Outputs (15)

The Energy-Saving Potential of Air-Side Economisers in Modular Data Centres: Analysis of Opportunities and Risks in Different Climates (2023)
Journal Article
Badiei, A., Jadowski, E., Sadati, S., Beizaee, A., Li, J., Khajenoori, L., …Xiao, X. (2023). The Energy-Saving Potential of Air-Side Economisers in Modular Data Centres: Analysis of Opportunities and Risks in Different Climates. Sustainability, 15(14), Article 10777. https://doi.org/10.3390/su151410777

This study examines the feasibility of utilising outside air for ‘free cooling’ in modular data centres through the implementation of an air-side economiser, as an alternative to traditional mechanical cooling systems. The objective is to offset the... Read More about The Energy-Saving Potential of Air-Side Economisers in Modular Data Centres: Analysis of Opportunities and Risks in Different Climates.

Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system (2021)
Journal Article
Fan, Y., Zhao, X., Han, Z., Li, J., Badiei, A., Akhlaghi, Y. G., & Liu, Z. (2021). Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system. Energy, 229, Article 120719. https://doi.org/10.1016/j.energy.2021.120719

Among all available solar technologies, solar-assisted heat pump (SAHP) is the most popular technology for low- and medium-temperature applications, i.e., drying, space heating, and water heating. This paper presents a critical review of the SAHP, le... Read More about Scientific and technological progress and future perspectives of the solar assisted heat pump (SAHP) system.

Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air (2020)
Journal Article
Li, J., Fan, Y., Zhao, X., Bai, X., Zhou, J., Badiei, A., Myers, S., & Ma, X. (2021). Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air. Energy and Built Environment, https://doi.org/10.1016/j.enbenv.2020.11.004

A novel dual source vapor injection heat pump (DSVIHP) using exhaust and ambient air is proposed. The air exhausted from the building first releases energy to the medium-pressure evaporator and is then mixed with the ambient air to heat the low-press... Read More about Design and analysis of a novel dual source vapor injection heat pump using exhaust and ambient air.

Hourly performance forecast of a dew point cooler using explainable Artificial Intelligence and evolutionary optimisations by 2050 (2020)
Journal Article
Golizadeh Akhlaghi, Y., Aslansefat, K., Zhao, X., Sadati, S., Badiei, A., Xiao, X., Shittu, S., Fan, Y., & Ma, X. (2021). Hourly performance forecast of a dew point cooler using explainable Artificial Intelligence and evolutionary optimisations by 2050. Applied energy, 281, Article 116062. https://doi.org/10.1016/j.apenergy.2020.116062

The empirical success of the Artificial Intelligence (AI), has enhanced importance of the transparency in black box Machine Learning (ML) models. This study pioneers in developing an explainable and interpretable Deep Neural Network (DNN) model for a... Read More about Hourly performance forecast of a dew point cooler using explainable Artificial Intelligence and evolutionary optimisations by 2050.

A chronological review of advances in solar assisted heat pump technology in 21st century (2020)
Journal Article
Badiei, A., Golizadeh Akhlaghi, Y., Zhao, X., Shittu, S., Xiao, X., Li, J., Fan, Y., & Li, G. (2020). A chronological review of advances in solar assisted heat pump technology in 21st century. Renewable & sustainable energy reviews, 132, Article 110132. https://doi.org/10.1016/j.rser.2020.110132

This paper presents a comprehensive review on developments and advances of Solar Assisted Heat Pump technology reported in 21st century. Combination of thermal and photovoltaic solar collectors with heat pumps has been widely used in recent decades f... Read More about A chronological review of advances in solar assisted heat pump technology in 21st century.

Economic and environmental analysis of a novel rural house heating and cooling system using a solar-assisted vapour injection heat pump (2020)
Journal Article
Fan, Y., Zhao, X., Li, J., Li, G., Myers, S., Cheng, Y., Badiei, A., Yu, M., Golizadeh Akhlaghi, Y., Shittu, S., & Ma, X. (2020). Economic and environmental analysis of a novel rural house heating and cooling system using a solar-assisted vapour injection heat pump. Applied energy, 275, Article 115323. https://doi.org/10.1016/j.apenergy.2020.115323

An efficient low-carbon system is proposed to meet the heating and cooling demands of rural houses in cold regions. Mini-channel solar panels incorporating a novel multiple-throughout-flowing loop are used for heat collection, whilst a vapour injecti... Read More about Economic and environmental analysis of a novel rural house heating and cooling system using a solar-assisted vapour injection heat pump.

Experimental and numerical investigation of a novel photovoltaic/thermal system using micro-channel flat loop heat pipe (PV/T-MCFLHP) (2020)
Journal Article
Chen, F., Hu, M., Badiei, A., Yu, M., Huang, Z., Wang, Z., & Zhao, X. (2020). Experimental and numerical investigation of a novel photovoltaic/thermal system using micro-channel flat loop heat pipe (PV/T-MCFLHP). International journal of low carbon technologies, 15(4), 513-527. https://doi.org/10.1093/ijlct/ctaa019

© 2020 The Author(s). Published by Oxford University Press. All rights reserved. In this paper, a novel photovoltaic/thermal system using micro-channel flat loop heat pipe (PV/T-MCFLHP) is proposed, and the thermal and electrical performance of the s... Read More about Experimental and numerical investigation of a novel photovoltaic/thermal system using micro-channel flat loop heat pipe (PV/T-MCFLHP).

Analysis of thermoelectric geometry in a concentrated photovoltaic-thermoelectric under varying weather conditions (2020)
Journal Article
Shittu, S., Li, G., Tang, X., Zhao, X., Ma, X., & Badiei, A. (2020). Analysis of thermoelectric geometry in a concentrated photovoltaic-thermoelectric under varying weather conditions. Energy, 202, https://doi.org/10.1016/j.energy.2020.117742

This study presents a detailed three-dimensional numerical investigation of the optimum thermoelectric geometry in a hybrid concentrated photovoltaic-thermoelectric system under varying weather conditions. Four different thermoelectric leg geometries... Read More about Analysis of thermoelectric geometry in a concentrated photovoltaic-thermoelectric under varying weather conditions.

Can whole building energy models outperform numerical models, when forecasting performance of indirect evaporative cooling systems? (2020)
Journal Article
Badiei, A., Akhlaghi, Y. G., Zhao, X., Li, J., Yi, F., & Wang, Z. (2020). Can whole building energy models outperform numerical models, when forecasting performance of indirect evaporative cooling systems?. Energy Conversion and Management, 213, Article 112886. https://doi.org/10.1016/j.enconman.2020.112886

This paper presents a whole building energy modelling work incorporating a state-of-the-art indirect evaporative cooling system. The model is calibrated and validated with real-life empirical data, and is capable of representing actual performance of... Read More about Can whole building energy models outperform numerical models, when forecasting performance of indirect evaporative cooling systems?.

A constraint multi-objective evolutionary optimization of a state-of-the-art dew point cooler using digital twins (2020)
Journal Article
Golizadeh Akhlaghi, Y., Badiei, A., Zhao, X., Aslansefat, K., Xiao, X., Shittu, S., & Ma, X. (2020). A constraint multi-objective evolutionary optimization of a state-of-the-art dew point cooler using digital twins. Energy Conversion and Management, 211, Article 112772. https://doi.org/10.1016/j.enconman.2020.112772

This study is pioneered in developing digital twins using Feed-forward Neural Network (FFNN) and multi objective evolutionary optimization (MOEO) using Genetic Algorithm (GA) for a counter-flow Dew Point Cooler with a novel Guideless Irregular Heat a... Read More about A constraint multi-objective evolutionary optimization of a state-of-the-art dew point cooler using digital twins.

Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage (2019)
Journal Article
Chen, H., Li, G., Wang, Y., Zhang, F., Badiei, A., Lu, T., Yang, J., Jiang, L., & Zhang, Y. (2020). Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage. International journal of energy research, 44(3), 2173-2182. https://doi.org/10.1002/er.5076

© 2019 John Wiley & Sons Ltd This thesis investigates a novel solar-assisted heat pump integrated phase change energy storage system. The defrosting performance of this system was studied experimentally and the results were compared with two tradit... Read More about Experimental analysis of defrosting and heating performance of a solar-assisted heat pump integrated phase change energy storage.

Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems (2019)
Journal Article
Fan, Y., Zhao, X., Li, J., Cheng, Y., Zhou, J., Yu, M., Li, G., Badiei, A., Du, Z., Ji, J., Zhu, Z., Ma, X., Bai, H., & Myers, S. (2020). Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems. Renewable energy, 151, 137-151. https://doi.org/10.1016/j.renene.2019.11.007

In order for a solar heating system to provide heat immediately after sunrise, a fast response is needed to the heat demand of a serviced space. The majority of existing solar heating systems have a slow response time due to the large volume of water... Read More about Operational performance of a novel fast-responsive heat storage/exchanging unit (HSEU) for solar heating systems.

Automated dynamic thermal simulation of houses and housing stocks using readily available reduced data (2019)
Journal Article
Allinson, D., Lomas, K. J., Badiei, A., Allinson, D., & Lomas, K. J. (2019). Automated dynamic thermal simulation of houses and housing stocks using readily available reduced data. Energy and Buildings, 203, Article 109431. https://doi.org/10.1016/j.enbuild.2019.109431

This paper describes a new method to swiftly model the dynamics of heating energy demand and indoor air temperatures of houses and housing stocks. The Reduced data Energy Model (RdDEM) provides a cost-effective alternative to steady-state modelling b... Read More about Automated dynamic thermal simulation of houses and housing stocks using readily available reduced data.

Statistical investigation of a dehumidification system performance using Gaussian process regression (2019)
Journal Article
Akhlaghi, Y. G., Zhao, X., Shittu, S., Badiei, A., Cattaneo, M. E., & Ma, X. (2019). Statistical investigation of a dehumidification system performance using Gaussian process regression. Energy and Buildings, 202, 109406. https://doi.org/10.1016/j.enbuild.2019.109406

Swift performance assessment of dehumidification systems, in design stage and while operation of the system is of substantial importance for commercialization and wide implementation of this technology. This paper presents a novel statistical model,... Read More about Statistical investigation of a dehumidification system performance using Gaussian process regression.

A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems
Presentation / Conference Contribution
Golizadeh Akhlaghi, Y., Badiei, A., & Zhao, X. (2019, August). A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems. Paper presented at The 18th International Conference on Sustainable Energy Technologies: Sustainable energy towards the new revolution, Kuala Lumpur, Malaysia

This paper introduces a state-of-the-art modelling technique to investigate the performance of solar assisted dehumidification and regeneration cycles. The dehumidification/regeneration system investigated in this study employs a solid adsorbent bed... Read More about A Novel Mathematical Model of the Solar Assisted Dehumidification and Regeneration Systems.