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In-situ measurements of vessel behavior during lock operation

In-situ measurements of vessel behavior during lock operation. C. SAVARY, D. BOUSMAR, J.M. HIVER SPW, Hydraulic Research Laboratory. Lock filling/emptying design. works cost  filling duration mooring forces. Lock filling/emptying design. Numerical modeling  water surface slope

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In-situ measurements of vessel behavior during lock operation

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  1. In-situ measurements of vessel behavior during lock operation C. SAVARY, D. BOUSMAR, J.M. HIVER SPW, Hydraulic Research Laboratory In-situ measurements of vessel behavior

  2. Lock filling/emptying design works cost  filling duration mooring forces In-situ measurements of vessel behavior

  3. Lock filling/emptying design Numerical modeling  water surface slope Representative of mooring forces ? In-situ measurements of vessel behavior

  4. Summary • Introduction • Seine-Scheldt project • Measurement set-up • Head losses and water slope • Vessel motion • Conclusion In-situ measurements of vessel behavior

  5. Seine-Scheldt project Wallonia: • 4 new locks • 2 new weirs • Channel rectifications CEMT Class Va (2000t) In-situ measurements of vessel behavior

  6. Seine-Scheldt project • New locks: filling through short culverts • Numerical model • water slopes • Scale model • head losses • velocity profile • In-situ • vessel motion In-situ measurements of vessel behavior

  7. Summary • Introduction • Seine-Scheldt project • Measurement set-up • Head losses and water slope • Vessel motion • Conclusion In-situ measurements of vessel behavior

  8. Measurement set-up • Roselies lock • River Sambre • 112 m x 12,50 m • Lift 3,5m • Loop culverts (no dissipation chamber) • Fixed bollards In-situ measurements of vessel behavior

  9. Measurement set-up • Valves and gates position • Head in culverts • Water level (upstream, lock, downstream) • Vessel motion • 48 instruments In-situ measurements of vessel behavior

  10. Valves and gates position In-situ measurements of vessel behavior

  11. Head and water levels In-situ measurements of vessel behavior

  12. Vessel In-situ measurements of vessel behavior

  13. Vessel In-situ measurements of vessel behavior

  14. Measurement set-up • 3 days on site • 22 recording(filling or emptying) • 12 asymmetric (one valve only) • 12 with vessel • About 6 useful In-situ measurements of vessel behavior

  15. Summary • Introduction • Seine-Scheldt project • Measurement set-up • Head losses and water slope • Vessel motion • Conclusion In-situ measurements of vessel behavior

  16. Leveling measurement In-situ measurements of vessel behavior

  17. Leveling measurement In-situ measurements of vessel behavior

  18. Leveling measurement In-situ measurements of vessel behavior

  19. Leveling measurement Valve loss In-situ measurements of vessel behavior

  20. Head losses: valves In-situ measurements of vessel behavior

  21. Water surface slope In-situ measurements of vessel behavior

  22. Summary • Introduction • Seine-Scheldt project • Measurement set-up • Head losses and water slope • Vessel motion • Conclusion In-situ measurements of vessel behavior

  23. Vessel motion Montana, 80m x 8.20m, empty In-situ measurements of vessel behavior

  24. Vessel motion In-situ measurements of vessel behavior

  25. Vessel motion In-situ measurements of vessel behavior

  26. Vessel motion Playboy, 95m x 9.50m, loaded 2.20m draught In-situ measurements of vessel behavior

  27. Vessel motion In-situ measurements of vessel behavior

  28. Vessel motion Wave period: 50s vs 35s Cassidy, 110m x 9.50m, loaded 2.60m draught In-situ measurements of vessel behavior

  29. Conclusions • In-situ measurements • Uneasy but interesting… still to be improved • Vessel inclination close to water slope • Slopes found larger than expected (> 1/1000) • Significant dynamic effects (loose lines) • Impact of vessel on water flow In-situ measurements of vessel behavior

  30. Thank you for your attention In-situ measurements of vessel behavior

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