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Design and Fabrication of the Water Sterilizer using the Microwave Energy

  • 저자

    이창호

  • 학위수여기관

    湖西大學校 大學院

  • 학위구분

    국내박사

  • 학과

    정보통신공학과 Microwave 공학 전공

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    v, 87p.

  • 키워드

    마이크로파 에너지 물살균장치;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T10050855&outLink=K  

  • 초록

    This paper aims to investigate the characteristics of the microwave sterilization. For this purpose, I have designed and manufactured the water sterilizer using the microwave, and investigated the characteristics of water sterilization through lab tests. In the design of the water sterilizer, I have closely examined in numerical formula the correlation between the output energy of the microwave and its calorification. In the modeling of the resonance cavity, I was able to show the simulation results of the electric field distribution using the finite difference time domain (FDTD). Also I conducted an experiment on streamlet water with the proposed microwave water sterilizer and an alyzed the chosen water samples with the help of anindependent agency of water inspection. The test result shows that the total number of colitis germ and general bacillus contained in sterilized water decreased rapidly as the operating time in emitting the microwave power rose from 10 to 60 seconds at a 10-second interval. In result, general bacillus were completely sterilized in 90 seconds while colitis germs were completely sterilized in 50 seconds in the use of the proposed microwave water sterilizer. While there are many kinds of sterilization methods, most of them are required to apply high temperature to water for a significant amount of time, and this practice has inevitably caused a problem of water quality degradation. This study has proved that the proposed microwave water sterilizer does not bring about any change to the quality, color and taste of water because the water in the microwave sterilizer needs to be exposed to microwaves only for a short time. This concludes that the proposed microwave water sterilizer using the microwave energy has functioned quite effective and satisfactorily.


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