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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 저널정보
- 대한전자공학회 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2009
- 발행연도
- 2009.7
- 수록면
- 286 - 289 (4page)
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초록· 키워드
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Microwave heating has been widely used in several applications but the main concern has been addressed on the heating uniformity. This paper proposes the technique for enhancing heat uniformity over a sample material. The first proposed technique is to optimize the TE₁? rectangular waveguide location. The second proposed technique is to coat a lower dielectric constant material than that of the sample on top in order to reduce wave reflection at the sample surface. The microwave cavity with a sample placed inside is modeled using the Finite-Difference Time-Domain (FDTD) numerical method. The electric field and temperature distribution patterns of the sample with and without the optimal dielectric coating material are simulated. The result shows the FDTD numerical method is a valid approach to model the microwave cavity before the actual implementation. Optimal electric field and heat uniformities can be achieved with the waveguide locating on top of the cavity and the coating material that possess a relative dielectric constant of 32.5, a dielectric loss factor of 0.05, and a thickness of 5 ㎝ when the potato sample (with a dielectric constant of 58) is used.
목차
Abstract
1. Introduction
2. Basic Concept
3. Proposed method
4. Results
5. Conclusion
References
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UCI(KEPA) : I410-ECN-0101-2012-569-004020376