Industrial Tribology;
Machine Dynamic and Maintenance Engineering Centre;
Indian Institute of Technology Delhi;
New Delhi 110016;
India;
Department of Mechanical Engineering;
Indian Institute of Technology Delhi;
New Delhi 110016;
India;
School of Mechanical Engineering;
Vellore Institute of Technology University;
Vellore 632014;
India;
Fluidized dense phase; Mode transition; Wavelet; Shannon entropy;