Blast Valve Design and Related Studies : A Review

P. K. Sharma; B. P. Patel; Harbans Lal

doi:10.14429/dsj.66.9618

P. K. Sharma Centre for Fire Explosive and Environment Safety, Delhi
B. P. Patel Indian Institute of Technology Delhi, New Delhi
Harbans Lal Centre for Fire Explosive and Environment Safety, Delhi

DOI: https://doi.org/10.14429/dsj.66.9618

Keywords: Blast valve, wave, leakage, closure mechanism, shock tube

Abstract

The protective structures required for performing critical operations are vulnerable to the blast and shock loads of advanced weapons. A blast valve is an important component of such structures for ventilation during normal conditions and for protection from blast/ shock during explosion. In this paper, various aspects of blast valve design and related studies are briefly reviewed. The concept and effects of blast wave, blast impact, numerical modelling and deformation of circular plate (one of the critical components of blast valve) have been discussed. The merits and demerits of sensing mechanisms viz. remote and direct sensing are discussed. The leakage of blast pressure during finite closing period of the valve (one of the critical problems) and the shock tube as a major experimental facility for testing of blast valves are briefly discussed.

Author Biographies

P. K. Sharma, Centre for Fire Explosive and Environment Safety, Delhi

Mr Pankaj Kumar Sharma received his BTech (Mechanical Engg.) in 2001 from CSJM University Kanpur, MTech (Thermal & Fluids) in 2008 from IIT Bombay and currently pursuing PhD from IIT Delhi. Presently working as Scientist ‘D’ at Centre for Fire Explosive and Environment Safety, Delhi. His areas of interest include : Heat transfer, CFD, FEM and fluid-structure interaction.

B. P. Patel, Indian Institute of Technology Delhi, New Delhi

Prof. B.P. Patel received his BE (Mechanical Engg.) from APS University Rewa, in 1992; M Tech (Mechanical) from IIT Bombay, in 1999 and PhD from MNNIT Allahabad, in 2005. Presently working in the Applied Mechanics Dept. at IIT Delhi. He has more than 20 years of teaching and research experience in nonlinear static/dynamic analysis of composite plates and shells, functionally graded structures, higher order shear deformation theories, solid-fluid interaction, buckling/postbuckling, continuum damage mechanics, multi-scale modelling.

Harbans Lal, Centre for Fire Explosive and Environment Safety, Delhi

Mr Harbans Lal received his MSc(Physics) from Panjab University, in 1978; MTech (Solid State Materials) from IIT Delhi, in 1980 and MBA from Panjab University, Chandigarh, in 1989. Presently working as Scientist ‘G’ at Centre for Fire Explosive and Environment Safety, Delhi. He has more than 30 years experience in free air explosion dynamics, underground and under water explosion effects, high speed instrumentation, scaled modeling, blast/shock resistant design of systems and structures, test validation of blast protective structures and systems, design and evaluation of blast resistant construction techniques, design validation of NBC shelters and hardened structures, damage and injury models, etc.