magneto-rheologycontents.kocw.or.kr/document/region/2010/12/01/12_01_09... · 2010-07-23 ·...
TRANSCRIPT
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Magneto-Rheology
03분반2조
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contents
3. 브레인 스토밍
2. 문제의 정의
1. 조원소개 및 역할
4. 설계의 목적
5. 설계
6. 설계의 결론 및 고찰
7. 선정 안 제시
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윤지홍 20062214 (실험 총감독)
고경업 20062209 (사진 및 동영상촬영)
김도경 20034970 (사진 및 동영상촬영)
고희동 20062129 (실험준비)
나태웅 20062235 (PPT제작)
이관구 20062246 (Design)
박우열 20062099 (Design)
조원소개 및 역할
![Page 4: Magneto-Rheologycontents.kocw.or.kr/document/region/2010/12/01/12_01_09... · 2010-07-23 · Copyright © by ARTCOM PT All rights reserved. 21 감사합니다. Title: 슬라이드](https://reader033.vdocuments.pub/reader033/viewer/2022042106/5e84e3035674546ef9160f0e/html5/thumbnails/4.jpg)
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문제의 정의
![Page 5: Magneto-Rheologycontents.kocw.or.kr/document/region/2010/12/01/12_01_09... · 2010-07-23 · Copyright © by ARTCOM PT All rights reserved. 21 감사합니다. Title: 슬라이드](https://reader033.vdocuments.pub/reader033/viewer/2022042106/5e84e3035674546ef9160f0e/html5/thumbnails/5.jpg)
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적용범위
자동차 뎀퍼
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식용유 꿀 그리스
물엿 실리콘
브레인 스토밍
*철 가루의 양 일정*누르는 힘 일정*자기장의 세기 일정
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설계의 목적
1. MR유체에 자기장을 가해줄 때 MR유체의역학적 특성이 어떻게 변하는가?
2. 점도에 따라 반응이 어떻게 일어나는가?
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주사기, 주사기 연결호스, 철 가루, 식용유, 꿀, 그리스, 자석
설계준비물
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오일1 20ml +
철 가루10g
오일2 20ml +
철 가루 10g
오일3 20ml +
철 가루 10g
자기장을 가한 MR 유체
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오일1 20ml 오일2 20ml 오일3 20ml
Control 8kg 아령
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2ml
철 가루 10g, 아령 8kg <오일1>
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5ml
철 가루 10g, 아령 8kg <오일2>
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철 가루 10g, 아령 8kg <오일3>
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설계결과
오일1 오일2 오일3
Control
8kg1초 9초 4초
철 가루
10g +8kg
내려가지않음
내려가지않음
18초
점도 : 오일1(63.28cp)<오일3(355cp)<오일2(2000cp)
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설계결과
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오일2 +철 가루10g +60kg사람
오일1 +철 가루10g+60kg 사람
무게 60kg사람
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자기장을 가하지 않았을 때는 무게를 견디지 못하고 내려갔지만 자기장을 가해주니 버티는 힘이 생김
점성이 큰 물질에서 더 큰 힘이 발생할것이라 예상하였지만 점성이 작은 식용유에서 더 큰 힘이 발생
결론
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인위적으로 하는 설계였기 때문에 정확한 측정값을 얻을 수 없었다.
철 가루와 액체가 균일하게 섞이지 않아정확한 측정값을 얻을 수 없었다.
고찰
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지열발전
지열시추기
선정 안 제시
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네이버 백과사전, 구글
출처
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감사합니다