Characteristics of impact craters produced by ballistic ejecta.
In assessing the containment structures of nuclear power plants, predicting the characteristics of impact resistance in relation to design and safety considerations is relevant.
The combined characteristics of impact loading at elevated temperature makes the experiment ideal for validation of models used to simulate the containment structure surrounding aircraft engines.
In order to distinguish the small defects, a multi-resolution statistical analysis method, employing the wavelet transform combined with principal component analysis (PCA), is used to extract the defective characteristics of impact damage.
Based on fuzzy theory, vibration principle and human experience, a fuzzy logic model relating the characteristics of impact sounds to the approximate size of the defect is developed and utilized.
Instead, Voyager 1 observed a multi-coloured surface, pockmarked with irregular-shaped depressions, which lacked the raised rims characteristic of impact craters.
Using a case study approach this paper highlights the value of the two data sources for interpreting recorded head impacts and thus providing a more robust understanding of the characteristics of any impacts that may occur.
The impacted flow feature and the characteristics of the impact (i.e., intensity and whether the impact increases or decreases whatever is being described by the metric) varied with season.
By combining slow HCI irradiation with electron injection onto the impact region, a transition of sp2 to sp3 hybridization is obtained, resulting in I V characteristics of the impact region showing non-conductive properties with ∼ 6 eV band gap.
