Results 31 to 40 of about 4,879,968 (296)

The Pressure of Explosives. Experiments on Solid and Gaseous Explosives [PDF]

open access: yesScientific American, 1905
Abstract Although this subject has been dealt with by numerous investigators, certain branches of it still remain practically untouched. With regard to the solid explosives used in ballistic work, the maximum pressure developed is usually well known, but the conditions which govern the combustion of the charge and the rate of cooling ...
openaire   +1 more source

Research on the Explosive Characteristics of Oil and Gas Mixture in Urban Drainage Pipeline

open access: yesChemical Engineering Transactions, 2017
To test explosive characteristics of the oil and gas mixture in urban drainage pipeline, we select six groups of the mixtures with different proportions of gasoline, methane and water, use 20L explosive ball experimental device in testing explosion rules
Shuqi Ma, Shuran Lyu, Qiujie Zhan
doaj   +1 more source

Comparative study of the explosion pressure characteristics of micro- and nano-sized coal dust and methane–coal dust mixtures in a pipe

open access: yesInternational Journal of Coal Science & Technology, 2020
Coal dust explosion accidents often cause substantial property damage and casualties and frequently involve nano-sized coal dust. In order to study the impact of nano-sized coal on coal dust and methane–coal dust explosions, a pipe test apparatus was ...
Bo Tan, Huilin Liu, Bin Xu, Tian Wang
semanticscholar   +1 more source

Experimental study of low‐concentration gas explosion in large‐scale pipeline

open access: yesEnergy Science & Engineering, 2020
Low‐concentration gas is one of the most realistic and reliable supplementary or alternative energy sources of conventional natural gas, which has a wide range of applications.
Lei Li   +5 more
doaj   +1 more source

Study on the Effect of KHCO3 Particle Size and Powder Spraying Pressure on the Methane Explosion Suppression Characteristics of Pipe Networks

open access: yesACS Omega, 2022
To achieve the best explosion suppression effect of an active powder spraying system, the KHCO3 powder suppression test for a 9.5% methane–air premixed methane explosion was studied based on an independent test platform consisting of a pipe network.
Jia Jinzhang   +2 more
semanticscholar   +1 more source

Numerical Simulation of Explosion Process of Different Gas Sources in Heading Face

open access: yesMeikuang Anquan, 2020
To investigate the influence of different gas sources on the explosion process in single heading roadway, numerical simulation technology system was used to simulate the effect of gas accumulation length and concentration on its explosion characteristics.
LUO Zhenmin, KANG Xiaofeng, WANG Tao, SU Bin, JIA Yuehua
doaj   +1 more source

Numerical Simulation of Effect of Multi-component Combustible Gases on Methane Explosion at Variable Temperature

open access: yesMeikuang Anquan, 2020
To study the influence of common combustible gas produced in spontaneous combustion of underground coal on methane explosion, the effects of the mixture of C2H4, C2H6, H2 and CO on the maximum explosion pressure and temperature of methane were simulated
LUO Zhenmin, WANG Lei, LI Xiufang, WANG Tao
doaj   +1 more source

Experimental study on the influence of circular hole obstacles on pressure overlap

open access: yesMeikuang Anquan, 2022
In order to study the influence of circular hole obstacles on pressure overlap, different circular hole obstacles were tested to obtain different methane air explosion propagation process by explosion test system.
MA Yunlong
doaj   +1 more source

Maximizing the Safety Production of Energo Gas - Determination of Explosion Characteristics [PDF]

open access: yesMATEC Web of Conferences, 2020
The article is focused on the determination of explosion characteristics of energo gas produced from an industrial scale, biomass gasifier. The results underline that the composition of energo gas from industrial technology has a significant impact on ...
Skřínský Jan, Koloničný Jan
doaj   +1 more source

MECHANICAL STRESS SIMULATION OF THE EXPLOSION-PROOF ENCAPSULATION WITH CYLINDRICAL FRAME [PDF]

open access: yesAnnals of the University of Petroşani. Mechanical Engineering, 2023
The maximum internal pressure developed during the ignition of the explosive mixture with air within the encapsulation is directly dependent on the volume released through clearances or other discharge devices, if present.
Daniela Peagu (Furdui)   +2 more
doaj  

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