Table 1 Dataset notations and units.

From: Nappe oscillations on free-overfall structures, data from laboratory experiments

 

Label in the dataset

Variables

Units

Experimental configuration

Model

1 (Model 1) or 2 (Model 2)

1 (confined) or 0 (unconfined)

1 (QR), 2 (THR), 3 (HR), 4 (R), 5(RR)

(—)

Confinement

(—)

Crest

(—)

R

R

Characteristic crest dimension (Fig. 6)

(m)

W

W

Weir width

(m)

L

L

Fall height

(m)

Sound analysis

q_s

qs

Vector of the tested unit discharges

(m2/s)

I

I

Vector of maximum sound levels

(dB)

O_s

Os

Vector of occurrence (1 = nappe oscillation, 0 = no nappe oscillation)

(—)

f_s

fs

Vector of sound frequency (NaN if no nappe oscillation)

(1/s)

Image analysis

O_i

Oi

Occurrence of nappe oscillation for at least one tested q based on image analysis (1 = nappe oscillation, 0 = no nappe oscillation)

(—)

q_i

qi

Vector of unit discharges (NaN if no nappe oscillation)

(m2/s)

f_i

fi

Vector of frequency extracted from image analysis (NaN if no nappe oscillation)

(1/s)

Water depth

q_u

qu

Vector of unit discharges associated to hu

(m2/s)

h_u

hu

Vector of upstream water depths

(m)

q_c

qc

Vector of unit discharges associated to hc

(m2/s)

h_c

hc

Vector of water depths at the crest detachment

(m)

   

Vectors will be a variable equal to 0 if no measurement has been performed