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About the Project
Polyvinylidene fluoride (PVDF) based piezoelectric materials (PEMs) have found extensive applications in energy harvesting which are being extended consistently to diverse fields requiring strenuous service conditions. Hence, there is a pressing need to mass produce PVDF based PEMs with the highest possible energy harvesting ability under a given set of conditions. To achieve high yield and efficiency, solution blow spinning (SBS) technique is attracting a lot of interest due to its operational simplicity and high throughput. SBS is arguably still in its infancy when the objective is to mass produce high efficiency PVDF based PEMs. Therefore, a deeper understanding of the critical parameters regarding design and processing of SBS is essential. The key objective of this project is to critically investigate the key aspects of SBS to produce high efficiency PVDF based PEMs. As piezoelectric properties of neat PVDF are not intrinsically much significant, various additives are commonly incorporated to enhance its piezoelectricity. Therefore, PVDF based copolymers and nanocomposites will also be investigated in this project.
This project involves designing a multistage convergent nozzle, a rotating drum, and an enclosure. The nozzle design will need optimization to achieve best possible velocity and overall flow distribution around the polymer solution. Simulations based on computational fluid dynamics (CFD) in ANSYS Fluent or any other similar software will be carried out. Therefore, ideal candidate will have first class honours and Masters degrees in related field and experience in computer-aided (CAD) tools such as Fusion 360 and SolidWorks, ANSYS Fluent or similar software, and both theoretical and experimental CFD. The university has subscription for Fusion 360 and ANSYS Fluent and therefore experience in these two software will be very beneficial.
For informal queries, please contact Dr. Atif Rasheed at atif.rasheed@canterbury.ac.uk or Hany Hassanin hany.hassanin@canterbury.ac.uk
Funding Notes
This is a self funding project
References
References (optional) 1. R. Atif, M. Combrinck, J. Khaliq, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Solution Blow Spinning of High-Performance Submicron Polyvinylidene Fluoride Fibres: Computational Fluid Mechanics Modelling and Experimental Results, Polymers (Basel). 12 (2020) 1140. https://doi.org/10.3390/polym12051140.
2. R. Atif, J. Khaliq, M. Combrinck, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Solution Blow Spinning of Polyvinylidene Fluoride Based Fibers for Energy Harvesting Applications : A Review, Polymers (Basel). 12 (2020) 1304. https://doi.org/10.3390/polym12061304.
3. R. Atif, M. Combrinck, J. Khaliq, J. Martin, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Study of Air Pressure and Velocity for Solution Blow Spinning of Polyvinylidene Fluoride Nanofibres, Processes. 9 (2021) 1014.
https://www.mdpi.com/2227-9717/9/6/1014.
4. E. Elnabawy, M. Farag, A. Soliman, K. Mahmoud, N. Shehata, R. Nair, I. Kandas, R. Atif, M. Combrinck, J. Khaliq, I. Shyha, A. Kilic, A.H. Hassanin, Solution blow spinning of piezoelectric nanofiber mat for detecting mechanical and acoustic signals, J. Appl. Polym. Sci. 138 (2021) 51322. https://doi.org/10.1002/app.51322.
5. R. Atif, M. Combrinck, J. Khaliq, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Solution blow spinning of high-performance submicron polyvinylidene fluoride fibres: Computational fluid mechanics modelling and experimental results, Polymers (Basel). 12 (2020) polym12051140. https://doi.org/10.3390/POLYM12051140.
6. H. Khanbareh, A. Rasheed, J. Khaliq, Piezoelectric composites, in: Org. Ferroelectr. Mater. Appl., Elsevier, 2021: pp. 457–475. https://doi.org/10.1016/B978-0-12-821551-7.00014-2.
2. R. Atif, J. Khaliq, M. Combrinck, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Solution Blow Spinning of Polyvinylidene Fluoride Based Fibers for Energy Harvesting Applications : A Review, Polymers (Basel). 12 (2020) 1304. https://doi.org/10.3390/polym12061304.
3. R. Atif, M. Combrinck, J. Khaliq, J. Martin, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Study of Air Pressure and Velocity for Solution Blow Spinning of Polyvinylidene Fluoride Nanofibres, Processes. 9 (2021) 1014.
https://www.mdpi.com/2227-9717/9/6/1014.
4. E. Elnabawy, M. Farag, A. Soliman, K. Mahmoud, N. Shehata, R. Nair, I. Kandas, R. Atif, M. Combrinck, J. Khaliq, I. Shyha, A. Kilic, A.H. Hassanin, Solution blow spinning of piezoelectric nanofiber mat for detecting mechanical and acoustic signals, J. Appl. Polym. Sci. 138 (2021) 51322. https://doi.org/10.1002/app.51322.
5. R. Atif, M. Combrinck, J. Khaliq, A.H. Hassanin, N. Shehata, E. Elnabawy, I. Shyha, Solution blow spinning of high-performance submicron polyvinylidene fluoride fibres: Computational fluid mechanics modelling and experimental results, Polymers (Basel). 12 (2020) polym12051140. https://doi.org/10.3390/POLYM12051140.
6. H. Khanbareh, A. Rasheed, J. Khaliq, Piezoelectric composites, in: Org. Ferroelectr. Mater. Appl., Elsevier, 2021: pp. 457–475. https://doi.org/10.1016/B978-0-12-821551-7.00014-2.
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