Symbol Refers to 



m Model 



N Nylon 



n Dimensionless quantity (such as Froude or Reynolds number) 



•Number of variables in a set or series 

 o Reterence value 



p 



Parapet 



AP 



Shape-placing 



P 



Pivot point (M ) 





•Prototype 





•Prototype core material (D in Fig. 4-5) 



pr 



Pressure 



r 



Ratio 



s 



Sediment 





•Stability (N^) 



St 



Surface tension 



T 



Pneumatic wave chamber ceiling (h^) 





•Total (V^) 





•Wave period (Section V only) 



t 



Technique (p^) 





•Theoretical (p^ in Eq 6-8) 





•Time 





•Transmitted (H^) 



u 



Horizontal velocity (Section V only) 



u» 



Shear velocity (Section V only) 



V 



Vertical 





•Voids (\) 





•Shape (k^) 



w 



Settling velocity (Section V only) 





•Water 



X. 



Longitudinal direction 



y 



Lateral direction 



z 



Vertical direction 



7 



Specific weight (Section V only) 



7' 



Relative specific weight (Section V only) 



A 



Stability 



X 



Wavelength 



Dynamic viscosity 



531 



a U S. GOVERNMENT PRINTING OFFICE : 1979 629-744/2376 



