Symbol 

 f,f;f" 



7 



H 



"1/3 

 AH/AL 



Ah 



K' 



Definition 



Reads "Function of" 



Friction factor (Section V only) 



Gravitational acceleration (32.2 ft/sec ) 



Wave height 



•Artificial heat input (Eq 3-20) 



Model-selected design wave height for 

 no-damage criterion 



Dimensionless wave height, defined as 



PwgH/Pat 



Incident wave height 



Transmitted wave height 



•Wave height at time t (Eq 4-25) 

 Significant wave height 

 Wave height at x = O in a flume (Eq 4-28) 

 Wave height at x > in a flume (Eq 4-28) 



Gradient of head loss through voids in 

 mbble-mound breakwater core material, 

 where AH = R 



Distance from stUlwater level to bottom of 

 prismatic wave generator plunger in 

 neutral position (Fig. 6-9) 



•Water depth above parapet (Fig. 6-38) 



Hydraulic head across an inlet 



Elevation of pneumatic chamber ceiUng 

 (height of tank) 



Elevation of water in pneumatic chamber at 

 start of wave formation 



Area moment of inertia 

 Mass moment of inertia 



Dimensionless number, defined by Eq 2-41 

 (Eq 2-41 through 2-46) 



•Net surface heat exchange 

 coefficient (Eq 3-20) 



•Coefficient ( > 1) (Eq 4-32, 4-40, 4-44; 

 Tables 4-2, 4-4; Figs. 4-5, 4-6) 



•Wave number (27r/L) (Section V only) 



•Stability coefficient (Eq 6-4a, 6-4b, 6-5) 



•Dimensionless constant (Eq 6-7) 



•Constant defined by Eq 6-33 



Dimensionless number, defined by Eq 2-71 



Dimension 



L/T^ 

 L 



FT^L 



Unit 



ft/sec^ 



ft 

 Btu/hr 



ft 



L 



ft 



L 



ft 



L 



ft 



L 



ft 



L 



ft 



L 



ft 



L/L 



ft/ft 



ft^ 



Ib-sec^-ft 



Btu/(ft^-hr-°F) 



r^r 



ft"'' -sec' 



523 



