Blast waves: Decay of a strong Blast wave,Explosion Length, Sach's Scaling,Over pressure,Cranz Hopkinson Scaling law of Overpressure - Click on the Video Link shown below to play the video on Youtube. Browse through
Introduction to Explosions and Explosion Safety (Mechanical Engineering) Video Lectures by Prof. K. Ramamurthi
from IIT Madras through NPTEL.