FARKLI AÇIKLIK ŞEKİLLERİNE SAHİP EKRANLAMA KUTULARI İÇİN GRAFEN PLAKA KAPLAMANIN EKRANLAMA ETKİNLİĞİNE ETKİSİNİN ANALİZİ
Year 2022,
Volume: 27 Issue: 2, 681 - 698, 31.08.2022
Sunay Güler
,
Sibel Yenikaya
Abstract
Elektromanyetik uyumluluk (EMC), özellikle son on yılda gelişmiş sürücü destek ve elektrikli tahrik sistemlerinin geleneksel araç mimarisine dahil edilmesiyle çok daha önemli hale gelmiştir. Elektromanyetik ekranlama, elektronik devreleri dış elektromanyetik girişimden (EMI) korumak için kullanılan iletken bir bariyerdir. Ekranlama etkinliği (SE), girişim yapan bir elektromanyetik kaynağa karşı ekranlama performansının ölçüsüdür. Elektrikli araçların (EV) içindeki tasarım sınırlamaları, ekranlama kutusu boyutlarını değiştirmeden SE'yi artırmayı araştırmaya zorlamaktadır. Grafen, iyi iletkenliği ve güçlü yapısı nedeniyle birçok çalışmada yaygın olarak kullanılmaktadır. Bu çalışmada, iç yüzeyleri grafen plakalarla kaplanmış bir ekranlama kutusu için nümerik model tasarlanmıştır. Farklı açıklık şekillerinin SE üzerindeki etkisi, kutunun farklı iç yüzeylerinin grafen plakalarla kaplanması durumlarına göre analiz edilmiştir
Supporting Institution
Bursa Uludağ Üniversitesi Bilimsel Araştırma Projeleri Birimi
Project Number
FGA-2021-307
Thanks
Bu çalışma Bursa Uludağ Üniversitesi Bilimsel Araştırma Projeleri Birimi (Proje kodu: FGA-2021-307) tarafından desteklenmiştir.
References
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Analysis of the Effect of Graphene Sheet Coating on Shielding Effectiveness for Shielding Enclosures with Different Aperture Shapes
Year 2022,
Volume: 27 Issue: 2, 681 - 698, 31.08.2022
Sunay Güler
,
Sibel Yenikaya
Abstract
Electromagnetic compatibility (EMC) has become much more important especially over the last decade due to incorporating advanced driver assistance and electric propulsion systems into conventional vehicle architecture. Electromagnetic shielding is a conductive barrier used for protecting electronic circuits against external electromagnetic interference (EMI). Shielding effectiveness (SE) is a measure of shielding performance against an interfering electromagnetic source. Design limitations inside electric vehicles (EV) forces to investigate on increasing SE without changing the shielding enclosure dimensions. Graphene is widely used in many studies due to its good conductivity and strong structure. In this study, a numerical model for a shielding enclosure in which inner surfaces are coated with graphene sheets, is designed. The effect of different aperture shapes on SE is analyzed according to coating different inner surfaces of the enclosure with graphene sheets.
Project Number
FGA-2021-307
References
- 1. Altun, M. ve diğ. (2017) A study on EMI shielding effectiveness of graphene based structure. International Artificial Intelligence and Data Processing Symposium (IDAP). IEEE, Malatya. doi: 10.1109/IDAP.2017.8090166
- 2. Bozzi, M. ve diğ. (2015) Application of graphene at microwave frequencies. Radioengineering, 24(3): 661-669. doi: 10.13164/re.2015.0661
- 3. Chen, J. ve diğ. (2018) Analyzing the shielding effectiveness of a graphene-coated shielding sheet by using the HIE-FDTD method. IEEE Transactions on Electromagnetic Compatibility, 60(2): 362-367. doi: 10.1109/TEMC.2016.2621884
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- 5. Cruciani, S. ve diğ. (2015) Prediction of shielding effectiveness in graphene enclosures by FEM-INBC method. T. Wu ve diğerleri (Ed.), Asia-Pacific International Symposium on Electromagnetic Compatibility. IEEE, Taipei. 376-379. doi: 10.1109/APEMC.2015.7175374
- 6. D'Aloia, A.G. ve diğ. (2018) Low-terahertz modeling of graphene/dielectric multilayers using an equivalent single layer in reverberation environment. IEEE Transactions on Electromagnetic Compatibility, 60(4): 849-857. doi: 10.1109/TEMC.2017.2750112
- 7. D'Aloia, A.G. ve diğ. (2015) Terahertz shielding effectiveness of graphene-based multilayer screens controlled by electric field bias in a reverberating environment. IEEE Transactions on Terahertz Science and Technology, 5(4): 628-636. doi: 10.1109/TTHZ.2015.2440100
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- 9. Dejband, E. ve diğ. (2017) Tunable electromagnetic interference shield using periodic graphene-based structures in the terahertz regime. International Conference on Circuits, Devices and Systems (ICCDS). IEEE, Chengdu. 34-37. doi: 10.1109/ICCDS.2017.8120446
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- 12. Güler, S. ve diğ. (2020). Elektronik ekipman koruyucu kutusunun ekranlama etkinliği analizi. Uludağ University Journal of The Faculty of Engineering, 25(3): 1445-1458. doi: 10.17482/uumfd.749570
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- 14. Güler, S. ve Yenikaya, S. (2021a). Analysis of shielding effectiveness by optimizing aperture dimensions of a rectangular enclosure with genetic algorithm. Turkish Journal of Electrical Engineering & Computer Sciences, 29(2): 1015-1028. doi: 10.3906/elk-2005-113
- 15. Güler, S. ve Yenikaya, S. (2021b) Analysing the shielding effectiveness of graphene sheet coated rectangular enclosure. Electromagnetics, 41(7): 469-485. doi: 10.1080/02726343.2021.2012938
- 16. Ilgar, T. ve diğ. (2015) Shielding effectiveness for metallic enclosures with various aperture shapes. 1st URSI Atlantic Radio Science Conference (URSI AT-RASC). Las Palmas, Spain: IEEE. doi: 10.1109/URSI-AT-RASC.2015.7303047
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- 18. Mathworks Software (2019) Matlab (Sürüm: R2019b). Tedarik edilebileceği adres: http://www.figes.com.tr/
- 19. Sevgi, L. (2019). Tasarımdan piyasaya elektromanyetik uyumluluk. İstanbul: İstanbul Okan Üniversitesi.
- 20. Zhang, B. ve diğ. (2018) Equivalent resonant circuit modeling of a graphene-based bowtie antenna. Electronics, 7(11): 285. doi: 10.3390/electronics7110285