All Outputs (65)

Four-axis test platform to emulate solar azimuth and elevation for accurate measurement of PV devices (2015)
Presentation / Conference Contribution
Siviter, J., Ashraf, A., Mullen, P., Montecucco, A., Knox, A., Selami, N., & Mallick, T. (2015, April). Four-axis test platform to emulate solar azimuth and elevation for accurate measurement of PV devices. Presented at Photovoltaic Science, Applications And Technology Conference & Exhibition, Leeds

The use of a solar source simulator in obtaining experimental data for a PV cell is well documented and current solar source technology is advanced in closely reproducing natural light in a laboratory setting. A test system is proposed by the authors... Read More about Four-axis test platform to emulate solar azimuth and elevation for accurate measurement of PV devices.

Coupled heat transfer performance of a high temperature cup shaped porous absorber (2015)
Journal Article
Meng, X.-L., Xia, X.-L., Zhang, S.-D., Sellami, N., & Mallick, T. (2016). Coupled heat transfer performance of a high temperature cup shaped porous absorber. Energy Conversion and Management, 110, 327-337. https://doi.org/10.1016/j.enconman.2015.12.034

In this article, a newly designed volumetric solar receiver (VSR) using cup-shaped Al2O3 porous absorber is studied through numerical simulations and experimental verification. The absorber achieves several advantages including lower heat loss and hi... Read More about Coupled heat transfer performance of a high temperature cup shaped porous absorber.

Ba6−3x Nd8+2x Ti18O54 Tungsten Bronze: A New High-Temperature n-Type Oxide Thermoelectric (2015)
Journal Article
Azough, F., Freer, R., Yeandel, S. R., Baran, J. D., Molinari, M., Parker, S. C., Guilmeau, E., Kepaptsoglou, D., Ramasse, Q., Knox, A., & others. (2016). Ba6−3x Nd8+2x Ti18O54 Tungsten Bronze: A New High-Temperature n-Type Oxide Thermoelectric. Journal of Electronic Materials, 45, 1894-1899. https://doi.org/10.1007/s11664-015-4275-6

Semiconducting Ba6−3x Nd8+2x Ti18O54 ceramics (with x = 0.00 to 0.85) were synthesized by the mixed oxide route followed by annealing in a reducing atmosphere; their high-temperature thermoelectric properties have been investigated. In conjunction wi... Read More about Ba6−3x Nd8+2x Ti18O54 Tungsten Bronze: A New High-Temperature n-Type Oxide Thermoelectric.

Optical and heat transfer performance of a novel non-imaging concentrator (2015)
Presentation / Conference Contribution
Sellami, N., Meng, X.-L., Xia, X.-L., Knox, A. R., & Mallick, T. K. (2015, December). Optical and heat transfer performance of a novel non-imaging concentrator. Presented at 11th International Conference on Concentrator Photovoltaic Systems: CPV-11, Aix-les-Bains, France

In this study, the Crossed Compound Parabolic Concentrator CCPC is modified to demonstrate for the first time a new generation of solar concentrators working simultaneously as an electricity generator and thermal collector. It is designed to have two... Read More about Optical and heat transfer performance of a novel non-imaging concentrator.

Enhancing the performance of BICPV systems using phase change materials (2015)
Presentation / Conference Contribution
Tahir, A. A., Sharma, S., Sellami, N., Reddy, K., & Mallick, T. K. (2015, April). Enhancing the performance of BICPV systems using phase change materials. Presented at 11 th International Conference on Concentrator Photovoltaic Systems (CPV-11), Aix-les-Bains, France

Building Integrated Concentrated Photovoltaic (BICPV) systems have three main benefits for integration into built environments, namely, (i) generating electricity at the point of use (ii) allowing light efficacy within the building envelope and (iii)... Read More about Enhancing the performance of BICPV systems using phase change materials.

Coupled simulation of performance of a crossed compound parabolic concentrator with solar cell (2015)
Presentation / Conference Contribution
Li, W., Paul, M. C., Sellami, N., Meng, X.-L., Mallick, T. K., Fernandez, E. F., Knox, A. R., Montecucco, A., Siviter, J., Mullen, P., & et al. (2015, March). Coupled simulation of performance of a crossed compound parabolic concentrator with solar cell. Presented at The 7th International Conference on Applied Energy (ICAE2015), Abu Dhabi, UAE

An optimal installation of a compound parabolic concentrator (CCPC) into a scalable solar thermoelectrics and photovoltaics system is desirable by applying analytical tools to improve the optical and thermal performance of a CCPC with a solar cell. I... Read More about Coupled simulation of performance of a crossed compound parabolic concentrator with solar cell.

Multiphysics simulations of a thermoelectric generator (2015)
Journal Article
Li, W., Paul, M. C., Montecucco, A., Knox, A. R., Siviter, J., Sellami, N., Meng, X.-L., Fernandez, E. F., Mallick, T. K., Mullen, P., & et al. (2015). Multiphysics simulations of a thermoelectric generator. Energy Procedia, 75, 633-638. https://doi.org/10.1016/j.egypro.2015.07.473

Transient multiphysics simulations are performed to investigate the thermal and electric performance of a thermoelectric generator (TEG) module placed between hot and cold blocks. Effects of heat radiation, thermal and electric contact on the TEG are... Read More about Multiphysics simulations of a thermoelectric generator.

Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 1 – The experiment (2015)
Journal Article
Sellami, N., Dewar, M., Stahl, H., & Chen, B. (2015). Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 1 – The experiment. International Journal of Greenhouse Gas Control, 38, 44-51. https://doi.org/10.1016/j.ijggc.2015.02.011

The dynamic characteristics of CO2 bubbles in Scottish seawater are investigated through observational data obtained from the QICS project. Images of the leaked CO2 bubble plume rising in the seawater were captured. This observation made it possible... Read More about Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 1 – The experiment.

Development of a concentrated photovoltaic thermal hybrid system for heat and power generation in Nigeria (2014)
Presentation / Conference Contribution
Zamani Naman, G., Ivaturi, A., Sundaram, S., Bobbili, P., Sellami, N., Sarmah, N., Mallick, T. K., & Upadhyaya, H. (2014, April). Development of a concentrated photovoltaic thermal hybrid system for heat and power generation in Nigeria. Presented at PVSAT-10: 10th Photovoltaic Science, Applications and Technology Conference, Loughborough University

Optical performances of refractive Crossed Compound Parabolic Concentrator CCPC (2014)
Presentation / Conference Contribution
Sellami, N., & Mallick, T. (2014, September). Optical performances of refractive Crossed Compound Parabolic Concentrator CCPC. Presented at 29th European Photovoltaic Solar Energy Conference and Exhibition, Amsterdam

The design of solar concentrators depends on its application (thermal or PV) and on the tracking system that will be used. Low geometrical concentration ratios (Cg) are <10x and generally tend to be static concentrators; in this case they have to be...

Trapping light escaping from the edges of the optical element in a Concentrating Photovoltaic system (2014)
Journal Article
Baig, H., Sellami, N., & Mallick, T. K. (2015). Trapping light escaping from the edges of the optical element in a Concentrating Photovoltaic system. Energy Conversion and Management, 90, 238-246. https://doi.org/10.1016/j.enconman.2014.11.026

The encapsulant is an important element used for mechanical bonding and optical coupling between the concentrator and the solar cell in a typical concentrating photovoltaic system. In this work we explain the concept of trapping the light escaping th... Read More about Trapping light escaping from the edges of the optical element in a Concentrating Photovoltaic system.

Performance modeling and testing of a building integrated concentrating photovoltaic (BICPV) system (2014)
Journal Article
Baig, H., Sellami, N., & Mallick, T. K. (2015). Performance modeling and testing of a building integrated concentrating photovoltaic (BICPV) system. Solar Energy Materials and Solar Cells, 134, 29-44. https://doi.org/10.1016/j.solmat.2014.11.019

Building Integrated Concentrating Photovoltaics (BICPV) is a promising solution leading toward self-sustaining buildings. In this work, we have evaluated the performance of one such system carrying out detailed modeling and indoor experiments. The sy... Read More about Performance modeling and testing of a building integrated concentrating photovoltaic (BICPV) system.

Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 2 – Modelling (2014)
Journal Article
Dewar, M., Sellami, N., & Chen, B. (2015). Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 2 – Modelling. International Journal of Greenhouse Gas Control, 38, 52-63. https://doi.org/10.1016/j.ijggc.2014.11.003

An oceanic two-phase plume model is developed to include bubble size distribution and bubble interactions, applied to the prediction of CO2 bubble plume and CO2 solution dynamics observed from the recent QICS field experiment in the Scottish sea at A... Read More about Dynamics of rising CO2 bubble plumes in the QICS field experiment: Part 2 – Modelling.

Characterisation of New Generation of Solar Concentrators (2014)
Presentation / Conference Contribution
Sellami, N., Meng, X., Knox, A. R., & Mallick, T. (2014, September). Characterisation of New Generation of Solar Concentrators. Presented at 29th European Photovoltaic Solar Energy Conference and Exhibition, Amsterdam

The cost of the Concentrated Photovoltaic CPV modules could be reduced by increasing the output per unit solar cell and this could be done by replacing expensive solar cells with a low cost optical material. The problem remains with the increase of t... Read More about Characterisation of New Generation of Solar Concentrators.

Performance analysis of a dielectric based 3D building integrated concentrating photovoltaic system (2014)
Journal Article
Baig, H., Sellami, N., Chemisana, D., Rosell, J., & Mallick, T. K. (2014). Performance analysis of a dielectric based 3D building integrated concentrating photovoltaic system. Solar Energy, 103, 525-540. https://doi.org/10.1016/j.solener.2014.03.002

The use of concentrating photovoltaic systems (CPV) in building integration has spurred towards the development of newer products, which have the potential to offer the convenience of pleasing architecture and day lighting along with simultaneous pro... Read More about Performance analysis of a dielectric based 3D building integrated concentrating photovoltaic system.

Numerically modelling the sea-water and bubble plume dynamics found from the QICS project in Ardmucknish Bay (2013)
Presentation / Conference Contribution
Dewar, M., Sellami, N., Chen, B., Stahl, H., & Blackford, J. (2013, December). Numerically modelling the sea-water and bubble plume dynamics found from the QICS project in Ardmucknish Bay. Presented at AGU Fall Meeting, San Francisco, California

Optical analysis of a CPC based CPV/T system for application in the kingdom of saudi arabia (2013)
Presentation / Conference Contribution
Baig, H., Sellami, N., Bahaidarah, H., & Mallick, T. (2013, September). Optical analysis of a CPC based CPV/T system for application in the kingdom of saudi arabia. Presented at 28th European Photovoltaic Solar Energy Conference and Exhibition, Paris, France

Saudi Arabia receives an average insolation of 6 kWh/m2/day, making it one of the most likely candidates for a country to be using solar energy for meeting its energy needs in the near future. The energy from the sun can be directly converted into el... Read More about Optical analysis of a CPC based CPV/T system for application in the kingdom of saudi arabia.

Study of CO2 bubble dynamics in seawater from QICS field Experiment (2013)
Presentation / Conference Contribution
Chen, B., Dewar, M., Sellami, N., Stahl, H., & Blackford, J. (2013, December). Study of CO2 bubble dynamics in seawater from QICS field Experiment. Presented at AGU Fall Meeting 2013, San Francisco, US

One of the concerns of employing CCS at engineering scale is the risk of leakage of storage CO2 on the environment and especially on the marine life. QICS, a scientific research project was launched with an aim to study the effects of a potential lea... Read More about Study of CO2 bubble dynamics in seawater from QICS field Experiment.

Optical Concentrator and Associated Photovoltaic Devices (2013)
Patent
Mallick, T. K., & Sellami, N. (2013). Optical Concentrator and Associated Photovoltaic Devices

Disclosed is a transmissive optical concentrator comprising an elliptical collector aperture and a non-elliptical exit aperture, the concentrator being operable to concentrate radiation incident on said collector aperture. The body of said concentrat... Read More about Optical Concentrator and Associated Photovoltaic Devices.

Optical characterisation and optimisation of a static Window Integrated Concentrating Photovoltaic system (2013)
Journal Article
Sellami, N., & Mallick, T. K. (2013). Optical characterisation and optimisation of a static Window Integrated Concentrating Photovoltaic system. Solar Energy, 91, 273-282. https://doi.org/10.1016/j.solener.2013.02.012

In this work, three different geometrical properties have been considered to develop a new solar concentrator design for Window Integrated Concentrating Photovoltaic (WICPV). They are (i) elliptical entry aperture; (ii) hyperbolic profile section and... Read More about Optical characterisation and optimisation of a static Window Integrated Concentrating Photovoltaic system.