Blast loads and variability on cylindrical shells under different charge orientations

Abstract

Cylindrical shells are widely used in public buildings and military protection fields, and it has a high risk of terrorist attacks and military attacks, it is of great social benefit to carry out the anti-blast design of cylindrical shells, which needs to consider building shape and the shape of blast waves. In this paper, cylindrical charges in five directions were detonated on the outer ground of the scaled cylindrical shell, blast loads of the cylindrical shell were measured and blast waves were photographed. The variation of blast load is analyzed by combining the test and simulation results, the difference in peak overpressure of the blast waves on the end face between five orientations is nearly twice. The blast loads in the axial direction of cylindrical charges have a secondary peak phenomenon, and the blast loads between the axial direction and radial direction of cylindrical charges change abruptly at a specific angle. The experimental and simulation methods provide a reference for establishing a blast load database of typical buildings.

Photoelectron Spectroscopic Study of the Interfacial Electronic Structures of Metal‐Ion Containing Polyelectrolytes on ITO Substrates

“…Particularly, the discovery of new interfacial materials with high performance and stability has become an important research focus. [ 3,4 ] Among these materials, the discovery of hole transport layers (HTL) and electron transport layers (ETL) offers the possibility to improve charge collection efficiency in solar cells, [ 5,6 ] improved luminous efficiency in organic light‐emitting diodes (OLESs), [ 7 ] and increased mobility in organic field‐effect transistors (OFETs). [ 8 ] A great variety of materials are currently being explored, including inorganic metal oxides, conjugated organic small molecules, and conjugated polymers.…”