A single mode cylindrical microwave cavity for heating applications of liquid material

Author

Prapuchanay, Ekkapol ; Puangngernmak, Nutdechatorn ; Chalermwisutkul, Suramate

Author_Institution

Thai-German Grad. Sch. of Eng. (TGGS), King Mongkut´´s Univ. of Technol. North Bangkok (KMUTNB), Bangkok, Thailand

fYear

2012

fDate

16-18 May 2012

Firstpage

1

Lastpage

4

Abstract

This paper presents design and implementation of a single mode cylindrical microwave cavity for microwave processing of continuously flowing liquids material. The proposed applicator was designed and fabricated to operate in TM₀₁₀ mode at 2.45 GHz which is in Industrial Scientific and Medical (ISM) frequency bands. A rectangular waveguide was designed to transfer the electromagnetic energy generated from magnetron to heat the liquid sample flowing in the center of the applicator through a quartz tube. Measurement results show low refection coefficient and high heating efficiency for various liquids under test compared with domestic microwave oven.

Keywords

electromagnetic wave reflection; liquids; magnetrons; microwave heating; quartz; rectangular waveguides; ISM frequency band; TM₀₁₀ mode; continuously flowing liquids material; domestic microwave oven; electromagnetic energy; frequency 2.45 GHz; heating application; heating efficiency; industrial scientific and medical frequency band; magnetron; microwave processing; quartz tube; rectangular waveguide; refection coefficient; single mode cylindrical microwave cavity; Applicators; Cavity resonators; Electromagnetic heating; Materials; Microwave ovens; Resonant frequency;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON), 2012 9th International Conference on

Conference_Location

Phetchaburi

Print_ISBN

978-1-4673-2026-9

Type

conf

DOI

10.1109/ECTICon.2012.6254353

Filename

6254353