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Simulation and economic analysis of an innovative indoor solar cooking system with energy storage (2023)
Journal Article
Zhou, C., Wang, Y., Li, J., Ma, X., Li, Q., Yang, M., …Zhu, Y. (2023). Simulation and economic analysis of an innovative indoor solar cooking system with energy storage. Solar Energy, 263, Article 111816. https://doi.org/10.1016/j.solener.2023.111816

Solar energy technology and energy storage technology are promising to make a contribution to current energy and global climate issue. The energy demand of daily cooking is enormous, and conventional cooking methods use gas or electricity with large... Read More about Simulation and economic analysis of an innovative indoor solar cooking system with energy storage.

Real life test of a novel super performance dew point cooling system in operational live data centre (2023)
Journal Article
Ma, X., Zeng, C., Zhu, Z., Zhao, X., Xiao, X., Akhlaghi, Y. G., & Shittu, S. (2023). Real life test of a novel super performance dew point cooling system in operational live data centre. Applied energy, 348, Article 121483. https://doi.org/10.1016/j.apenergy.2023.121483

This paper presents the development and application of a super performance dew point cooling technology for data centres. The novel super performance dew point cooler showed considerably improved energy saving and carbon reduction for data centre coo... Read More about Real life test of a novel super performance dew point cooling system in operational live data centre.

A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump (2022)
Journal Article
Fan, Y., Li, J., Zhao, X., Myers, S., Cheng, Y., Yu, M., …Yu, S. (2022). A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump. Energy Conversion and Management, 256, Article 115404. https://doi.org/10.1016/j.enconman.2022.115404

Conventional air source heat pumps suffer from frosting in winter and consume a large amount of electricity for defrosting. Meanwhile, ventilation heat recovery is an important approach to energy saving in buildings. This paper conducts a proof-of-co... Read More about A proof-of-concept study of a novel ventilation heat recovery vapour injection air source heat pump.

Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study (2021)
Journal Article
Ma, X., Zhao, X., Zhang, Y., Liu, K., Yang, H., Li, J., …Liu, Z. (2022). Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study. Energy, 238, Article 121688. https://doi.org/10.1016/j.energy.2021.121688

The Rankine Cycle is a thermodynamic process widely applied to power plants such as coal-fired power plants or nuclear reactors. The thermal efficiency of a power plant is largely dependent upon the temperature difference between a heat source and a... Read More about Combined Rankine Cycle and dew point cooler for energy efficient power generation of the power plants - A review and perspective study.

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., …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., …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.

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., …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.

Electrical and mechanical analysis of a segmented solar thermoelectric generator under non-uniform heat flux (2020)
Journal Article
Shittu, S., Li, G., Xuan, Q., Zhao, X., Ma, X., & Cui, Y. (2020). Electrical and mechanical analysis of a segmented solar thermoelectric generator under non-uniform heat flux. Energy, 199, Article 17433. https://doi.org/10.1016/j.energy.2020.117433

Optimization of segmented solar thermoelectric generator for power output enhancement has been well researched however, the mechanical reliability study of such devices is usually neglected. In addition, assumed heat flux distribution or uniform flux... Read More about Electrical and mechanical analysis of a segmented solar thermoelectric generator under non-uniform heat flux.

Review of thermoelectric geometry and structure optimization for performance enhancement (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., & Ma, X. (2020). Review of thermoelectric geometry and structure optimization for performance enhancement. Applied energy, 268, Article 115075. https://doi.org/10.1016/j.apenergy.2020.115075

© 2020 Elsevier Ltd Thermoelectric geometry and structure optimization are vital research areas which are being explored extensively in recent years due to significant performance enhancement achieved. However, the lack of a single review paper on th... Read More about Review of thermoelectric geometry and structure optimization for performance enhancement.

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.

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.

Transient and non-uniform heat flux effect on solar thermoelectric generator with phase change material (2020)
Journal Article
Shittu, S., Li, G., Xuan, Q., Xiao, X., Zhao, X., Ma, X., & Akhlaghi, Y. G. (2020). Transient and non-uniform heat flux effect on solar thermoelectric generator with phase change material. Applied thermal engineering, 173, Article 115206. https://doi.org/10.1016/j.applthermaleng.2020.115206

Transient and non-uniform heat flux from solar concentrators can affect the performance of solar thermoelectric generators, which generate electricity from concentrated solar radiation. Therefore, this paper presents a detailed three-dimensional stud... Read More about Transient and non-uniform heat flux effect on solar thermoelectric generator with phase change material.

Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Zhou, J., Ma, X., & Akhlaghi, Y. G. (2020). Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe. Energy Conversion and Management, 207, Article 112515. https://doi.org/10.1016/j.enconman.2020.112515

Effective cooling of the photovoltaic can enhance electrical conversion efficiency of a photovoltaic system. The combination of photovoltaic and thermoelectric generator provides unique advantages because of their complementary characteristics. In ad... Read More about Experimental study and exergy analysis of photovoltaic-thermoelectric with flat plate micro-channel heat pipe.

Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances (2020)
Journal Article
Shittu, S., Li, G., Zhao, X., Ma, X., Akhlaghi, Y. G., & Fan, Y. (2020). Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances. Energy Conversion and Management, 205, Article 112422. https://doi.org/10.1016/j.enconman.2019.112422

© 2019 Elsevier Ltd A consequence of the integration of photovoltaic module and thermoelectric generator is the presence of thermal contact, which affects the heat transfer in the hybrid system. Thermal and electrical contact are inevitable in a ther... Read More about Comprehensive study and optimization of concentrated photovoltaic-thermoelectric considering all contact resistances.

Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services (2019)
Journal Article
Ma, X., Zhao, H., Zhao, X., Li, G., & Shittu, S. (2019). Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services. Future Cities and Environment, 5(1), 12. https://doi.org/10.5334/fce.76

The refrigerants used in conventional vapor-compression air conditioning systems have detrimental effects on the global environment. Phasing-down hydrofluorocarbon (HFC) refrigerants for HVAC equipment over the next 20 years has been proposed. A ther... Read More about Building integrated thermoelectric air conditioners—a potentially fully environmentally friendly solution in building services.

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., …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.

Preliminary experiment on a novel photovoltaic-thermoelectric system in summer (2019)
Journal Article
Li, G., Shittu, S., zhou, K., Zhao, X., & Ma, X. (2019). Preliminary experiment on a novel photovoltaic-thermoelectric system in summer. Energy, 188, Article 116041. https://doi.org/10.1016/j.energy.2019.116041

© 2019 Elsevier Ltd Compared with the PV electricity generation, the hybrid Photovoltaic-thermoelectric (PV-TE) can generate more electricity due to its ability to utilize a wider solar spectrum than the PV. The PV-TE employing micro-channel heat pip... Read More about Preliminary experiment on a novel photovoltaic-thermoelectric system in summer.

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.

Numerical simulation and experimental validation of a micro-channel PV/T modules based direct-expansion solar heat pump system (2019)
Journal Article
Zhou, J., Ma, X., Zhao, X., Yuan, Y., Yu, M., & Li, J. (2020). Numerical simulation and experimental validation of a micro-channel PV/T modules based direct-expansion solar heat pump system. Renewable energy, 145, 1992-2004. https://doi.org/10.1016/j.renene.2019.07.049

This paper presents a novel solar driven direct-expansion heat pump system employing micro-channel PV/T modules as the evaporator. The system can provide both the electrical power and thermal energy used for space heating for buildings. Experimental... Read More about Numerical simulation and experimental validation of a micro-channel PV/T modules based direct-expansion solar heat pump system.

A statistical model for dew point air cooler based on the multiple polynomial regression approach (2019)
Journal Article
Akhlaghi, Y. G., Ma, X., Zhao, X., Shittu, S., & Li, J. (2019). A statistical model for dew point air cooler based on the multiple polynomial regression approach. Energy, 181, 868-881. https://doi.org/10.1016/j.energy.2019.05.213

Swift assessment of evaporative cooling systems has become a necessity in practical engineering applications of this advanced technology. This paper bypasses details of the performance process and pioneers in developing a statistical model based on t... Read More about A statistical model for dew point air cooler based on the multiple polynomial regression approach.