Field Reference 03 



SHIP DESIGN - HYDRODYNAMICS, PERFORMANCE 



Recommended Topics 



Performance of ducted propellers with hull boundary layer interaction. 



Effect of form on the resistance and propulsion of small craft and determination 

 of correlation factors. 



Measurement of wave pattern resistance full scale and correlation of same with 

 model. 



Development of computational techniques in non-linear wave resistance theory. 



Measurement of drag and lateral force components for asymmetric hulls. 



Effects of viscosity on wave resistance - theoretical and experimental treatment 

 combining boundary layer and potential theories. 



Resistance of trailing side pipes and suction heads of dredgers - variations with 

 configuration and load on sea-bed and sea-bed materials. 



Investigation of the characteristics of turbulent wakes (fully immersed bodies). 

 Study of scale effect on separation, particularly on the after- body of tanker forms. 

 Laser measurements of velocity, turbulence of boundary layers and rotational 

 wakes at both full scale and model scale. 



Physical understanding of flow patterns over different surface curvatures. 

 An examination of the hydrodynamic laws governing the separation of flow at the 

 - stern of a 3D body, leading to the derivation of design rules for bodies of minimum 

 separation. 

 "Determination of the scale effect of vortices from model to ship size. 

 "Finite element treatment of hydrodynamic phenomena. 



"Research on noise, especially in relation to onset of cavitation, with a view to 

 reduction in noise output of fishing propellers, shafts, etc., in certain frequency 

 bands. 



"Investigation of the distribution of bubble streams (generated by the bow wave) 

 around and beneath the hull. 



"A study of the hydrodynamic and scaling laws for water currents induced by 

 streams of air bubbles, with the aim of exploiting such currents for use in ship 

 manoeuvring and berthing. 



"Physical understanding of skin friction for rough, smooth and chemically treated 

 surfaces in various fluids. 



Field Reference 04 



SHIP DESIGN - HYDROELASTICITY (INCLUDING FOIL BEHAVIOUR) 



Recommended Topics 



Studies in propeller excited vibration. 

 "Control of propeller induced vibration. 

 Fundamental work on boundary layer theory to predict the distribution of wake 

 velocity over the propeller disc. 



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