Chapter 0 Why Fluid Mechanics? · 2018. 4. 20. · 2/35 Chapter 0 Why Fluid Mechanics? Contents 0.1...
Transcript of Chapter 0 Why Fluid Mechanics? · 2018. 4. 20. · 2/35 Chapter 0 Why Fluid Mechanics? Contents 0.1...
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Fluid Mechanics
Chapter 0 Why Fluid Mechanics?
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Chapter 0 Why Fluid Mechanics?
Contents
0.1 Speculation of Leonardo da Vinci
0.2 Physics of Golf
0.3 Water Resources
0.4 Dams
0.5 Hydropower Plants
0.6 Floods
0.7 River Navigation
0.8 River Recreation
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Chapter 0 Why Fluid Mechanics?
Objectives
- Find your motivation to attend this class
- Introduce practical applications of fluid mechanics
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0.1 Speculation of Leonardo da Vinci
BridgePier
Horseshoe Vortex
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0.1 Speculation of Leonardo da Vinci
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0.1 Speculation of Leonardo da Vinci
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Velocity field around/within a single cylinder
Momentum reduction by quadratic drag law formulation.– Governing equations including the drag law formulation.
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Velocity fields
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Staggered array cases
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III. Mixing around multiple obstacles
Mixing around staggered arrays
– LG/D = 2 and LT/D=2
– LG/D = 10 and LT/D=2
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0.2 Physics of Golf
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0.2 Physics of Golf
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0.2 Physics of Golf
Drag (Resistance) force
Separation
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0.2 Physics of Golf
Bio mimicking
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0.2 Physics of Golf
TurbulentEddy
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0.2 Physics of Golf
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0.2 Physics of Golf
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0.2 Physics of Golf
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03 Water Resources
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0.4 Dams
높이 97.5미터, 길이 464미터총저수량 27.5억톤㎥발전출력: 400,000 kW
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0.4 Dams
높이 72m; 길이 495m유효저수용량 14.9억㎥
높이 123미터, 길이 530미터총저수량 29억톤㎥
http://terms.naver.com/imageDetail.nhn?docId=535345&imageUrl=http://dbscthumb.phinf.naver.net/2644_000_3/20150325010235525_OP4191IAY.jpg/c60e1914-5503-4c.jpg?type%3Dm935_fst_nce%26wm%3DYhttp://terms.naver.com/imageDetail.nhn?docId=535345&imageUrl=http://dbscthumb.phinf.naver.net/2644_000_3/20150325010235525_OP4191IAY.jpg/c60e1914-5503-4c.jpg?type%3Dm935_fst_nce%26wm%3DY
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0.4 Dams
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유바리댐:높이: 110 m길이: 390 m저수용량: 4억3천만 m3
발전출력: 26,000 kW
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0.5 Hydropower Plants
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0.5 Hydropower Plants
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0.5 Hydropower Plants
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0.5 Hydropower Plants
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0.5 Hydropower Plants
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0.6 Floods
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0.6 Floods
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0.7 River Navigation
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0.7 River Navigation
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0.7 River Navigation
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0.8 River Recreation
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Motivation
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Motivation
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Motivation
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Fluid MechanicsChapter 0 Why Fluid Mechanics?Chapter 0 Why Fluid Mechanics?0.1 Speculation of Leonardo da Vinci ��0.1 Speculation of Leonardo da Vinci ��0.1 Speculation of Leonardo da Vinci ��Velocity field around/within a single cylinderVelocity fieldsStaggered array cases0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��0.2 Physics of Golf��03 Water Resources0.4 Dams��0.4 Dams��0.4 Dams0.5 Hydropower Plants��0.5 Hydropower Plants��0.5 Hydropower Plants��0.5 Hydropower Plants��0.5 Hydropower Plants��0.6 Floods��0.6 Floods��0.7 River Navigation��0.7 River Navigation��0.7 River Navigation��0.8 River Recreation��MotivationMotivationMotivation