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Rifles, Reloading, Optics, Equipment
Reloading
Heat of explosion vs. Burn rate
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<blockquote data-quote="Doom2" data-source="post: 1543172" data-attributes="member: 108323"><p>Burn rate and heat of explosion are really two independent terms. Heat of explosion (or combustion) is simply the energy released by the powder as it burns. Burn rate is a realative term and as noted depends on a number of factors. For smokeless powder geometry of the cartridge is a factor but the most significant is pressure. A line of H 335 placed on a brick and ignited will burn slowly but placed in a confined space the process becomes rapid as the pressure increases. It is this property that results in smokeless powder being defined as a propellant as opposed to an explosive.</p><p></p><p>As noted burn rates are relative and there is no standardized test procegure that I'm aware of.</p></blockquote><p></p>
[QUOTE="Doom2, post: 1543172, member: 108323"] Burn rate and heat of explosion are really two independent terms. Heat of explosion (or combustion) is simply the energy released by the powder as it burns. Burn rate is a realative term and as noted depends on a number of factors. For smokeless powder geometry of the cartridge is a factor but the most significant is pressure. A line of H 335 placed on a brick and ignited will burn slowly but placed in a confined space the process becomes rapid as the pressure increases. It is this property that results in smokeless powder being defined as a propellant as opposed to an explosive. As noted burn rates are relative and there is no standardized test procegure that I’m aware of. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Heat of explosion vs. Burn rate
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