Ali, Firoj and kumar, Arvind and Dhar, Sunil Kumar and Vishwakarma, Ashish Kumar and Kumar, Sujit and Himanshu, Vivek Kumar (2025) Investigation on Bulk Emulsion Explosive Performance Under Critical Conditions: Its Detonation Behaviour and Air Over Pressure Analysis. Propellent Explosives and Pyrotechnics, 50 (10). pp. 46-53. ISSN 0721-3115

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Abstract

Bulk emulsion explosives are commonly used explosives in mining applications. The performance of the bulk emulsion explosives is highly dependent on its compositions, charge diameter, confinement and local environments. This study aims to investigate the performance of the explosives under critical conditions, such as under water and hydrostatic pressure conditions. The detonation velocity was studied under different critical conditions to comprehend the influence on the detonation behaviour of the explosives. Moreover, the detonation-induced air overpressure was monitored at different distances to understand the effect of the critical condition on the explosive performance. Importantly, numerical simulations were conducted to estimate the air overpressure on a glass plane after the detonation of explosives under different conditions. The simulation results revealed that less severe damage occurs under the hydrostatic pressure condition as compared with normal air conditions. Additionally, the findings of the study provide insight for understanding the effect of detonation performance under water and hydrostatic pressure conditions. Moreover, the study quantitatively evaluates detonation behaviour and detonation-induced pressure damage profiles under various critical conditions.

Item Type:	Article
Subjects:	Blasting
Divisions:	UNSPECIFIED
Depositing User:	Mr. B. R. Panduranga
Date Deposited:	03 Mar 2026 06:31
Last Modified:	03 Mar 2026 06:32
URI:	https://cimfr.csircentral.net/id/eprint/2944

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