Table 2 Results from the flume tests used to compare overtopping discharge rate as measured by WireWall and predicted by Bayonet GPE.

From: A system for in-situ, wave-by-wave measurements of the speed and volume of coastal overtopping

    

Tanks

T

WireWall

W

Bayonet GPE

Test

WL m ODN

Hm0,t m

Tp,t s

q, l s−1 m−1

no.

q, l s−1 m−1

no.

q l s−1 m−1

−1 s.d.

+1 s.d.

WC01**

5.87

0.87

6.27

14.2 ± 2.1

5

14.0 ± 1.4

2

13.4

4.0

148

WC06

6.17

0.91

5.72

27.2 ± 2.3

2

-

 

71.8

14.4

1794

WC07

6.17

0.94

6.6

34.1 ± 4.5

4

28.3 ± 3.8

2

96.1

16.2

3382

WC12

4.98

0.87

6.27

0.4

1

-

 

0.3

0.1

6

WC13

5.33

0.87

6.27

1.5

1

-

 

0.5

0.1

10

WC14

5.80

0.83

6.42

9.1 ± 0.3

2

-

 

7.6

2.1

101

WC15**

5.62

0.8

7.65

8.4 ± 0.8

6

9.1 ± 1.6

4

3.1

0.6

89

  1. The water levels (WL), significant wave heights (Hm0,t), wave peak periods (Tp,t) and discharge rates (q) are real-world values, i.e. scaled up from the flume values. Wave heights and periods are those at the toe of the structure, as indicated by “t” in the parameter names. The number of repeat runs for which tank (T no.) and/or WireWall (W no.) data were collected are provided. Tank data are the mean of all data available (from the HRW partitioned tank and/or one or more of the three large NOC tanks). WireWall values are averages from both units. Mean and + /− s.d. are given for discharge rates.
  2. ** indicates conditions that were also simulated when doing many short (~10 min) incomplete runs to avoid the use of pumps.
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