0,4 a M M * 1b * 2 7.5m 2 1.76 * P irr * P irr 0,3 0,2 0,1 0,0 0,25 0,20 0,15 0,10 0,05 0,00 0,10 0,08 0,06 * P irr 0,04 0,02 R=1 R=2 Te=8s R=4 0 1 2 3 4 5 R=1 R=2 R=4 Te=10s 0 1 2 3 4 5 R=1 R=2 R=4 Te=12s 0,00 0 1 2 3 4 5 G 10 6 (s/kg)
0,4 0,3 * P irr 0,2 R=1 R=2 R=4 a M M * 1b * 2 7.5m 1 3 0,1 0,0 0,25 0,20 0,15 * P irr 0,10 Te=8s 0,0 0,5 1,0 1,5 2,0 2,5 3,0 R=1 R=2 R=4 0,05 Te=10s 0,00 0,0 0,5 1,0 1,5 2,0 2,5 3,0 0,12 0,08 * P irr R=1 R=2 R=4 0,04 Te=12s 0,00 0,0 0,5 1,0 1,5 2,0 2,5 3,0 G 10 6 (s/kg)
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SUPERGEN MARINE 7th DOCTORAL TRAINI
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Introduction Technology challenge
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Introduction The size While, in oth
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Oscillating-body dynamics Most wave
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Oscillating-body dynamics Frequency
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Oscillating-body dynamics ( m A) x
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Oscillating-body dynamics Capture w
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ma Oscillating-body dynamics Exampl
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PTO system Body 1 Body 2 WAVEBOB
- Page 19 and 20: Oscillating-body dynamics x m Time
- Page 21 and 22: PTO Equipment High-pressureoil PTO
- Page 23 and 24: PTO Equipment High-pressure-oil PTO
- Page 25 and 26: PTO Equipment High-pressure-oil PTO
- Page 27 and 28: Oscillating-body dynamics Buoy LP g
- Page 29 and 30: Avoid overdamping and underdamping.
- Page 31 and 32: CONTROL OF WAVE ENERGY CONVERTER No
- Page 33 and 34: CONTROL OF WAVE ENERGY CONVERTER Co
- Page 35 and 36: Oscillating-body dynamics For point
- Page 37 and 38: Oscillating-body dynamics Phase-con
- Page 39 and 40: Numerical simulations of phase cont
- Page 41 and 42: REGULAR WAVES Period T = 9 s Amplit
- Page 43 and 44: 250 200 P(kW) 150 100 50 G is optim
- Page 45 and 46: T e 7 s, Hs 2 m 25 kW P 2 H s m 2 2
- Page 47 and 48: T e 11 s, Hs 2 m 30 P 2 H s 20 4 28
- Page 49 and 50: d x d t Hs s 1 , 1 0 fd Hs M N m d
- Page 51 and 52: Oscillating-body dynamics Phase con
- Page 53 and 54: WAVE ENERGY TECHNOLOGIES Oscillatin
- Page 55 and 56: IPS Buoy Wave Bob AquaBuoy Hose pum
- Page 57 and 58: Two-body motion, linear PTO Coordin
- Page 59 and 60: Radius of buoy = 7.5 m Mass of buoy
- Page 61 and 62: T 8s T 12 10s 3 2,5 2 1,5 1 0,5 0 2
- Page 63 and 64: T e 8s T e 10s 5 4 3 2 1 0 25 20 15
- Page 65 and 66: T e 8s T e 10s 12s 0,48 0,47 0,46 0
- Page 67 and 68: 1a LP gas accumulator HP gas accumu
- Page 69: Non-linear PTO: time-domain analysi
- Page 73 and 74: 0,4 a M M * 2 7.5m * 1b 1 0,3 * P i
- Page 75 and 76: CONCLUSIONS • A two-body system w
- Page 77 and 78: Power output The problem: • The p
- Page 79 and 80: OWC Dynamics m (t) V0 p(t) air volu
- Page 81 and 82: OWC Dynamics Frequency domain m (t)
- Page 83 and 84: OWC Dynamics m (t) Time domain: •
- Page 85 and 86: OWC Dynamics Numerical application
- Page 87 and 88: OWC Dynamics Stochastic modelling W
- Page 89 and 90: OWC Dynamics Stochastic model: •
- Page 91 and 92: Time-averaged turbine power output
- Page 93 and 94: Example: Pico OWC plant with 2.3m W
- Page 95 and 96: Rated power (kW) Annual averaged ne
- Page 97: THANK YOU FOR YOUR ATTENTION J.M.W.