Comparison of Model and Full-Scale Slamming Impact Pressure Data.
Abstract
The objective of the work is to demonstrate that scaling laws for slamming impact pressures which have previously been identified from model data are applicable to full-scale ships. The approach taken has been to compare impact pressure data form full-scale trials with model data on the basis of the scaling laws. Scale effects which may cause errors when extrapolating model results fro impact pressure to full-scale have been evaluated. Results for ratio of absolute impact pressure to ambient pressure have been compared for full-scale trials and model tests on the basis of an impact velocity ratio Vo/Vl for cases of similar structural characteristics. A proposed design basis for estimation of peak pressures for slamming impacts by use of model results and a relative velocity Vo estimate based on a median value of a possible range of Vo is shown to result in conservative predictions when compared to full-scale measurements. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 01, 1972
- Accession Number
- AD0752630
Entities
People
- Frank H. Sellars