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A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate (2018)
Journal Article
Mohamed, E., Riffat, S., Omer, S., & Zeinelabdien, R. (2019). A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate. Renewable Energy, 130, 582-600. https://doi.org/10.1016/j.renene.2018.06.075

Solar energy assisted heat pump systems (SAHP) have been used in this application. SAHP system with solar collectors and the heat pump are combined into one unit so as to convey the solar energy to the refrigerant. The solar collector is used as the... Read More about A comprehensive investigation of using mutual air and water heating in multi-functional DX-SAMHP for moderate cold climate.

Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw (2018)
Journal Article
Wang, Y., Wu, K., Xiao, M., Riffat, S. B., Su, Y., & Jiang, F. (2018). Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw. Carbohydrate Polymers, 197, 284-291. https://doi.org/10.1016/j.carbpol.2018.06.009

This study presents the preparation and property characterization of a konjac glucomannan (KGM)/starch based aerogel as a thermal insulation material. Wheat straw powders (a kind of agricultural waste) and starch are used to enhance aerogel physical... Read More about Thermal conductivity, structure and mechanical properties of konjac glucomannan/starch based aerogel strengthened by wheat straw.

A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel (2018)
Journal Article
Tian, M., Yu, X., Su, Y., Zheng, H., & Riffat, S. (2018). A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel. Solar Energy, 165, https://doi.org/10.1016/j.solener.2018.03.009

When a transparent dielectric compound parabolic concentrator (CPC) PV panel is applied as a skylight in atrium, heat rejection from the PV cells results in both low electrical conversion efficiency and unwanted heat to the atrium in summer, which us... Read More about A study on incorporation of transpired solar collector in a novel multifunctional PV/Thermal/Daylighting (PV/T/D) panel.

Evaluation of a large dish-type concentrator solar lighting system for underground car park (2018)
Journal Article
Song, D., Lv, H., Liao, J., Huang, W., Huang, S., Cheng, C., …Riffat, S. (2018). Evaluation of a large dish-type concentrator solar lighting system for underground car park. International Journal of Energy Research, 42(6), 2234-2245. https://doi.org/10.1002/er.4017

To utilize solar energy more efficiently and reduce lighting power consumption in underground public spaces such as car park, a large dish-type concentrator solar lighting system is put forward along with its evaluation, which is a unique design to a... Read More about Evaluation of a large dish-type concentrator solar lighting system for underground car park.

A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications (2017)
Journal Article
Tian, M., Su, Y., Zheng, H., Pei, G., Li, G., & Riffat, S. (2018). A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications. Renewable and Sustainable Energy Reviews, 82, https://doi.org/10.1016/j.rser.2017.09.050

Compound parabolic concentrator (CPC) has been gaining ever-increasing attention from academic researchers and industrial developers owing to its stationary feature for solar energy collection with a higher efficiency. As a low concentration concentr... Read More about A review on the recent research progress in the compound parabolic concentrator (CPC) for solar energy applications.

Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid (2017)
Journal Article
Fang, W., Riffat, S., & Wu, Y. (in press). Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid. International Journal of Low-Carbon Technologies, https://doi.org/10.1093/ijlct/ctx010

Performance of a microencapsulated phase-change material (PCM) as a heat-transport medium in an evacuated heat pipe solar collector was evaluated and the results compared with those using water. Collector efficiency was experimentally determined acco... Read More about Experimental investigation of evacuated heat pipe solar collector efficiency using phase-change fluid.

Overview of working fluids and sustainable heating, cooling and power generation technologies (2017)
Journal Article
Riffat, S., Aydin, D., Powell, R., & Yuan, Y. (2017). Overview of working fluids and sustainable heating, cooling and power generation technologies. International Journal of Low-Carbon Technologies, 12(4), https://doi.org/10.1093/ijlct/ctx008

Dependency on energy is much higher than the past and it is clear that energy is vital for a sustainable and safer future. Therefore, urgent solutions are required not only to increase share of renewable resources but also more efficient usage of fos... Read More about Overview of working fluids and sustainable heating, cooling and power generation technologies.

Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design (2017)
Journal Article
Casey, S. P., Aydin, D., Elvins, J., & Riffat, S. (2017). Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design. Energy Conversion and Management, 142, https://doi.org/10.1016/j.enconman.2017.03.066

In this study, the performance of three nano-composite energy storage absorbents; Vermiculite-CaCl2 (SIM-3a), Vermiculite-CaCl2-LiNO3 (SIM-3f), and the desiccant Zeolite 13X were experimentally investigated for suitability to domestic scale thermal e... Read More about Salt impregnated desiccant matrices for ‘open’ thermochemical energy conversion and storage: improving energy density utilisation through hygrodynamic & thermodynamic reactor design.

A novel high capacity space efficient heat storage system for domestic applications (2016)
Presentation / Conference Contribution
Ramadan, M. E., Omer, S., & Riffat, S. (2016). A novel high capacity space efficient heat storage system for domestic applications.

Energy consumption in domestic buildings is dominated by space heating 60 percent followed by hot water 14 percent in the UK. Space heating and water heating confers a disparate set of industrial challenges to the manufacture and this is a very deman... Read More about A novel high capacity space efficient heat storage system for domestic applications.

Desiccant cooling systems: a review (2016)
Journal Article
Sahlot, M., & Riffat, S. (2016). Desiccant cooling systems: a review. International Journal of Low-Carbon Technologies, 11(4), https://doi.org/10.1093/ijlct/ctv032

Desiccant cooling systems have been considered as an efficient method of controlling moisture content in supply air. They do not use any ozone-depleting coolants and consume less energy as compared with the vapour compression systems. This communicat... Read More about Desiccant cooling systems: a review.

Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification (2016)
Journal Article
Jradi, M., & Riffat, S. (in press). Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification. International Journal of Green Energy, 13(13), https://doi.org/10.1080/15435075.2016.1183205

In this study, an innovative heat and mass transfer core is proposed to provide thermal comfort and humidity control using a hollow fiber contactor with multiple bundles of micro-porous hollow fibers. The hollow fiber-based core utilizes 12 bundles a... Read More about Testing and performance analysis of a hollow fiber-based core for evaporative cooling and liquid desiccant dehumidification.

Recent passive technologies of greenhouse systems: a review (2016)
Presentation / Conference Contribution
Harjunowibowo, D., Cuce, E., Omer, S. A., & Riffat, S. B. (2016). Recent passive technologies of greenhouse systems: a review.

There are 130 countries produces greenhouse vegetables commercially with more than 1.1 million acres in 2016. Most of the greenhouses deal with high operating costs due to the great energy needs. The high heat loss because of the greenhouse envelope... Read More about Recent passive technologies of greenhouse systems: a review.

A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests (2016)
Journal Article
Cuce, E., & Riffat, S. (2017). A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests. International Journal of Low-Carbon Technologies, 12(2), https://doi.org/10.1093/ijlct/ctw009

Heat insulation solar glass (HISG) is a recently developed smart building material to minimize energy consumption of building sector. HISG might be presumed to be a conventional photovoltaic glazing product; however, it is completely unique by having... Read More about A smart building material for low/zero carbon applications: heat insulation solar glass—characteristic results from laboratory andin situtests.

Build-up and performance test of a novel solar thermal roof for heat pump operation (2015)
Journal Article
Buker, M. S., & Riffat, S. (2017). Build-up and performance test of a novel solar thermal roof for heat pump operation. International Journal of Ambient Energy, 38(4), 365-379. https://doi.org/10.1080/01430750.2015.1121920

Global increase in energy demand and fossil fuel prices loaded ever-increasing pressure on identifying and implementing new means to utilise clean and efficient energy resources. Due to the environmental benefits, technical and economic possibilities... Read More about Build-up and performance test of a novel solar thermal roof for heat pump operation.

Active thermal mass enhancement using phase change materials (2015)
Journal Article
Whiffen, T., Russell-Smith, G., & Riffat, S. (2016). Active thermal mass enhancement using phase change materials. Energy and Buildings, 111, https://doi.org/10.1016/j.enbuild.2015.09.062

Buildings account for around 40% of energy consumption in the UK. For over twenty years active thermal mass systems have been a feature in low-energy buildings in northern Europe. By passing ventilation air, and utilising night ventilation, through t... Read More about Active thermal mass enhancement using phase change materials.

The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings (2014)
Journal Article
Owajionyi, F. . L., Omer, S., Riffat, S., & Mempouo, B. (in press). The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings. Sustainable Cities and Society, Article e1-e9. https://doi.org/10.1016/j.scs.2014.06.002

Increase in energy usage, particularly from fossil fuel sources is widely understood to be responsible for the environmental problems (Climate Change) experienced globally today. Response to mitigating this anthropogenic induced consequence created t... Read More about The indispensability of good operation & maintenance (O&M) manuals in the operation and maintenance of low carbon buildings.