2012•Unpublished venueRequires access

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

Ekkapol Prapuchanay, Nutdechatorn Puangngernmak, Suramate Chalermwisutkul

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 TM010mode 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.

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Available abstract

Key concepts: Microwave, Microwave oven, Microwave cavity, Materials science, Cavity magnetron, Microwave heating, Waveguide, Electromagnetic heating