NDLI: Dual feeding cavity resonator for efficiency enhancement in liquid heating applications

Content Provider	IET Digital Library
Author	Abduljabar, A. A. Choi, H. Porch, A.
Abstract	A new type of microwave resonator feeding topology is proposed to enhance the power delivered to a lossy sample for microwave heating applications. The method uses two input signals with equal phase and magnitude, instead of the usual one input. As a result, for the same total input power, the delivered power can be increased to twice the power than the case of the one input. A 2.45 GHz TM010 cylindrical cavity with dual input ports is used to heat a water sample with a total input power of 0.25 W. The efficacy of the proposed heating topology was verified by 3D electromagnetic simulation and heating measurements, including S-parameters, incident and reflected power, and thermal images. All measurement results support the increase in heating efficiency in the two port case, while using the same total amount of power as for the one port case.
Starting Page	1262
Ending Page	1264
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 18, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/18
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.2557
Journal	Electronics Letters
Publisher Date	2017-08-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	3D Electromagnetic Simulation Cavity Resonator Cylindrical Cavity Dual Feeding Cavity Resonator Dual Input Ports Efficiency Enhancement Frequency 2.45 GHz Heating Efficiency Heating Measurement Incident Power Liquid Heating Application Microwave Heating Microwave Heating Application Microwave Resonator Microwave Resonator Feeding Topology Power 0.25 W Process Heating Reflected Power S Parameter Thermal Image Waveguide And Microwave Transmission Line Component
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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