Explosives and Explosions Powerpoint
This powerpoint presentation covers the following topics:
Explosives and Explosions
What is an Explosion?
Explosions Which Rely on Oxygen from the Air
Hexanes: Among the many hydrocarbons found in gasoline, they are representative of the volatility and explosivity of gasoline.
Hexanes burn rapidly in air to form carbon dioxide and water.
Ethanol also burns in air.
What about other types of hydrocarbon fuels and fuel tanks?
Surprisingly, explosivity of jet airplane fuel tanks is not well studied or understood.
How can we make explosives without the limitation of needing oxygen from the air?
Cellulose (cotton) burns slowly in air.
Nitrocellulose (gun cotton) burns very rapidly even without air.
High Explosives Burn at Supersonic Speeds
Primary and Secondary High Explosives
Early Examples of Primary High Explosives
Nitroglycerine
Nitrogen triiodide
Secondary High Explosives
Examples of Secondary
High Explosives
Predicting the Products of Organic High Explosive Reactions
Oxygen Balance: A useful concept for evaluating high explosives.
Oxygen Balance of Some Representative High Explosives
Mixing Explosives to Achieve Optimum %OB
ANFO – A crude “low tech” high explosive that has been used by terrorists with devastating results.
Organic Peroxides – A very different and less predictable class of potentially explosive compounds.
Acetone Peroxide
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