548
APPENDIX B. SYMBOLS AND NOTATION
v - nondimensional velocity in the y direction
vn - normal velocity of wave board
v - vertically integrated horizontal velocity
vo - vertical sinusoidal velocity maxima
v - nondimensional vertically integrated velocity
in the y direction
v *
- shear velocity
V - velocity
V - flow velocity
V - mean velocity
V characteristic horizontal velocity
V
- armor unit volume
Vw - water velocity in the vicinity of the cover layer
Vw - velocity of the wave front impacting the wall
Vx ~ characteristic horizontal velocity
Vz - characteristic vertical velocity
Vu - relative sediment fall speed
XV - velocity difference of incident mass before and
after impact
w
w
w'
w
W
W
W
W
Wa
We
Wi
w,
wx
w50
nonturbulent component of velocity in the z direction
vertical component of fluid velocity
turbulent fluctuating component of velocity in the
z direction
nondimensional velocity in the z direction
weight
average weight of the armor stone
characteristic vertical velocity
work
armor unit weight
Weber number
armor unit immersed weight
armor stone weight
work at position x
median armor unit weight in the distribution
x - horizontal coordinate
Xi - ith dimensional variable
x0 - specific z-position in a wave tank