TM No. 377 

 CONTENTS (continued) 



Page 



Wave Modesl and Their Covariance Properties lUl 



Instrument Problems lh8 



Direction Calibration Differences 1^9 



Instrumentation Time Lag 151 



Effect of Wave Meter Motion 152 



Directional Response of the Wave Meter 155 



Dissipation of Kinetic Energy 156 



CHAPTER VI. CONCLUSIONS AND SUGGESTIONS FOR FURTHER STUDY l6l 



Instrumentation l6l 



Attributes of Instrumentation Used l6l 



Shortcomings of Instrumentation . 162 



Suggested Instrumental Improvements 163 



Conclusions from Actual Wave Observations 16U 



Future Studies 166 



APPENDIX A : Supplementary Discussions A-l 



Dynamics of a Ducted Meter A-l 



Response to a Step Input A-l 



Response to a Sinusoidal Input A-3 



Relationship Between Instrument Output and Driving Motion 



Spectra . • A-^ 



Amplitude Probability Distribution of Sinusoidal Waves A -9 



Relationships for Motions Associated with a Turbulent Velocity 



Field A-12 



Reynolds Stresses • A-12 



Momentum Equations for Turbulent Velocities A-lU 



Kinetic Energy Relations A-lo 



APPENDIX B: Statistical Analysis and Auto-Spectra Plots of Wave 



Data B-l 



Spectral Data. » B-l 



Auto -Spectra of Wave Meter Data . . . . B-110 



Auto -Spectra of Wave Staff Data B-236 



APPENDIX C : Miscellaneous Tabulated Data C-l 



Wave Meter Calibration Data C-l 



Rotating Boom Calibration of OMDUM II C-l 



Towing Tank Calibrations of OMDUM III and LIMDUM I C-U 



Environmental Data for BBELS Current Measurements C-7 



Series 1 (196^). ...... . • C-8 



Tide Level Data • C-8 



Wind Speed and Direction Data C-12 



Series 2 (1965).. ... C-l 5 



Tide Level Data. C-l 5 



Wind Speed and Direction and Sea State Data. C-l6 



Wave Model Data • C-l6 



vm 



