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저자 유주식
발행일 2021-03-25
ISBN 978-89-254-1555-0(93420)
페이지 622
판형 46배
포인트 0점
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  • 쉽게 배우는 기본 유체역학
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    이 책은 유체역학 입문서로서 유체역학의 기본적인 핵심 내용을 간결하게 정리하여 설명하였다. 특히 공무원과 중등교사 임용시험 및 기사시험 등의 수준에 적합하도록 책의 내용을 구성하여 실질적으로 도움이 되게 하였다. 유체역학의 가장 기본적인 내용은 유체정역학, 연속방정식, 베르누이 방정식(에너지 방정식), 운동량 정리이다. 이 책은 이들 내용들을 중심으로 하여 몇 가지 응용 분야를 다루고 있으며, 기본적으로는 미적분을 사용하지 않고 관련 이론을 적용하여 문제를 풀 수 있게 하였다.

    충분한 양의 예제와 연습 문제를 수록하였고, 유체역학을 처음 배우거나 기초가 부족한 학생들도 스스로 공부할 수 있게끔 공식 유도와 문제 풀이 과정을 상세히 기술하였다. 연습문제는 주요 핵심 개념을 파악할 수 있게 하는 문제들로 구성되어 있으며 공무원과 중등교사 임용시험 문제 등을 많이 수록하여 각종 시험 준비에도 도움이 되게 하였다. 특히 학생들이 편리하게 관련 내용을 알고 이해하는 것을 목적으로 모든 문제의 정답을 수록하고 풀이 과정을 기술하였다.

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    제1장 서론 ·········································································9

    1.1 유체역학 소개 ·························································11

    1.2 차원 ···································································12

    1.3 단위 ···································································12

    1.4 역학에 관한 단위 ······················································17

    1.5 단위 연산 ······························································21

    ∙ 연습문제 1 ·······························································26


    제2장 유체의 물리적 성질 ·······················································31

    2.1 유체의 특성 ···························································33

    2.2 밀도, 비중량, 비중 ····················································34

    2.3 점성 ···································································37

    2.4 쿠에트 유동 ···························································46

    2.5 압력 ···································································53

    2.6 온도 ···································································56

    2.7 이상기체 ·······························································57

    2.8 압축성과 체적탄성계수 ·················································60

    2.9 표면장력과 모세관 현상 ···············································65

    ∙ 연습문제 2 ·······························································70


    제3장 유체 정역학 ·······························································81

    3.1 개요 ···································································83

    3.2 한 점에서 압력의 성질 ················································83

    3.3 정지 유체에서 압력 변화 ··············································88

    3.4 기압계와 압력계 ·······················································94

    3.5 액주계 ·································································98

    3.6 평면 표면에 작용하는 압력 힘 ·······································108

    3.7 곡면 표면에 작용하는 압력 힘 ·······································116

    3.8 부력 ··································································120

    3.9 가속도를 받는 유체질량 ··············································125

    ∙ 연습문제 3 ······························································132


    제4장 유동의 기본 방정식 ·····················································151

    4.1 유동 형태 ·····························································153

    4.2 연속방정식 - 1차원 정상유동 ········································167

    4.3 연속방정식 - 미분형 ·················································172

    4.4 1차원 유동 - Euler 방정식 ··········································179

    4.5 베르누이 방정식 ······················································181

    4.6 베르누이 방정식 응용 ················································187

    4.7 에너지 방정식 ························································203

    4.8 운동에너지 수정계수 ··················································210

    4.9* Navier-Stokes 방정식 ·············································213

    ∙ 연습문제 4 ······························································216


    제5장 유동시스템의 운동량 해석 ··············································235

    5.1 선형운동량 방정식 ····················································237

    5.2 운동량 수정계수 ······················································239

    5.3 관 유동 ·······························································240

    5.4 분류에 의한 충격력 ···················································245

    5.5 운동하는 날개에 작용하는 충격력 ····································251

    5.6 개수로 유동 ··························································255

    5.7 로켓의 추진력 ························································258

    5.8 각운동량 방정식 ······················································260

    ∙ 연습문제 5 ······························································270


    제6장 차원해석과 상사법칙 ····················································285

    6.1 차원해석 ······························································287

    6.2 Buckingham 파이정리 ···············································288

    6.3 실험 데이터의 상호관계 ··············································298

    6.4 유체역학에서 많이 사용하는 무차원수 ································301

    6.5 상사법칙 ······························································304

    6.6 실험과 불완전 상사 ···················································307

    6.7 물체 주위 유동 모형 ·················································311

    ∙ 연습문제 6 ······························································314


    제7장 내부 유동 ································································323

    7.1 서론 ··································································325

    7.2 층류유동과 난류유동 ··················································326

    7.3 원관 입구 영역 ·······················································328

    7.4 원관 내 층류유동 ·····················································331

    7.5 평판 사이 층류유동 ···················································342

    7.6 관로 손실 ·····························································349

    7.7 곧은 원관에서 마찰손실 ··············································350

    7.8 비원형관 ······························································360

    7.9 부차적 손실 ··························································364

    7.10 배관 시스템 ·························································379

    ∙ 연습문제 7 ······························································383


    제8장 외부유동-항력과 양력 ···················································399

    8.1 개요 ··································································401

    8.2 항력과 양력 ··························································402

    8.3 마찰항력과 압력항력 ··················································406

    8.4 물체 형상과 항력계수 ················································408

    8.5 낙하 물체의 종말속도 ················································414

    8.6 익형의 양력 ··························································416

    8.7 회전에 의한 양력 ·····················································420

    ∙ 연습문제 8 ······························································423


    제9장 유체기계-터보기계 ·······················································433

    9.1 유체기계의 에너지 변환 ··············································435

    9.2 펌프동력, 터빈동력 ···················································436

    9.3 펌프 종류 ·····························································442

    9.4 펌프 성능 ·····························································456

    9.5 펌프에서 여러 가지 현상 ·············································468

    ∙ 연습문제 9 ······························································471


    연습문제 풀이 및 정답 ·························································483

    ∙ 참고문헌 ·································································613

    ∙ 단위 변환 ·······························································614

    ∙ 찾아보기 ·································································615

    저자소개

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    서울대학교 공과대학 기계공학과 졸업

    한국과학기술원 기계공학과 석ㆍ박사

    University of Michigan 연구교수

    (현재) 안동대학교 기계교육과 교수

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