Hydrodynamic Design of Planing Hulls

Author:

Savitsky Daniel1

Affiliation:

1. Stevens Institute of Technology

Abstract

The elemental hydrodynamic characteristics of prismatic planing surfaces are discussed and empirical planing equations are given which describe the lift, drag, wetted area, center of pressure, and porpoising stability limits of planing surfaces as a function of speed, trim angle, deadrise angle, and loading. These results are combined to formulate simple computational procedures to predict the horsepower requirements, running trim, draft, and porpoising stability of prismatic planing hulls. Illustrative examples are included to demonstrate the application of the computational procedures.

Publisher

The Society of Naval Architects and Marine Engineers

Subject

Mechanical Engineering,Ocean Engineering

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