Exploding C4 Sphere: Understanding the Dynamics of an Explosive Event

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In summary, the conversation discusses the explosion of a C4 sphere and how its different layers (core, mantle, and crust) would explode outwards. The questions also consider whether the core would push through the other layers or if the momentum would be transferred through each layer. The problem is compared to a system of iron balls connected by springs, representing atoms and interatomic forces.
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Chaos' lil bro Order
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Consider a sphere of C4 explosives compound, the size of your fist. The C4 has a fuse with its end sticking into the sphere's exact center. So we assume that the initial point of explosion will be the exact center of the C4 sphere. We also assume that the C4 sphere is of a uniform density. When the sphere explodes, how does it happen? I mean, if the sphere had 3 layers that we could imagine, the core (innermost), mantle (middle), and crust (outer), how would these layers explode outwards? Some questions that arise are does the core explode through the other layers and push through them, or does the core impart momentum to the mantle, then the mantle to the crust and the crust into the surrounding air medium?

What do you think?
 
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  • #2
Chaos' lil bro Order said:
Consider a sphere of C4 explosives compound, the size of your fist. The C4 has a fuse with its end sticking into the sphere's exact center. So we assume that the initial point of explosion will be the exact center of the C4 sphere. We also assume that the C4 sphere is of a uniform density. When the sphere explodes, how does it happen? I mean, if the sphere had 3 layers that we could imagine, the core (innermost), mantle (middle), and crust (outer), how would these layers explode outwards? Some questions that arise are does the core explode through the other layers and push through them, or does the core impart momentum to the mantle, then the mantle to the crust and the crust into the surrounding air medium?

What do you think?

Your problem is substantially equivalent to this: you have three iron balls of the same mass and dimensions, A, B and C, bound with 2 massless springs from A and B and from B and C, the system is constrained on a straight line.

If you push ahead the ball A, what happens to B and C? How do they move? Clearly, the movement of A makes a force on B through the first spring, so B starts moving so making a force on C through the second spring...you can go on with as many balls and springs you like. The balls are the atoms, the springs are interatomic forces.
 
  • #3


The explosion of the C4 sphere would happen in a rapid and violent manner, with the initial point of explosion being the exact center of the sphere where the fuse is located. The explosion would occur due to the rapid release of energy and gases from the chemical reaction of the C4 compound.

In terms of the layers of the sphere, it is important to note that the explosion would not happen in a sequential or linear manner. The layers would all explode simultaneously, with each layer contributing to the overall force and momentum of the explosion. The core, mantle, and crust would all break apart and disintegrate at the same time, creating a spherical shockwave that would radiate outwards in all directions.

It is difficult to determine the exact dynamics of how the layers would explode outwards, as it would depend on the specific properties and density of the C4 compound. However, it is likely that the core would impart momentum to the mantle, which would then transfer to the crust and eventually to the surrounding air medium. This would result in a powerful and rapid expansion of the explosion, with the layers breaking apart and pushing outwards in a chaotic manner.

Overall, the explosion of the C4 sphere would be a complex and destructive event, with all layers contributing to the force and momentum of the blast. It is important to handle such explosives with extreme caution and follow proper safety protocols to prevent any accidents or harm.
 

What is C4 and how does it work?

C4 is a plastic explosive that is commonly used in military and industrial applications. It is made up of a combination of plasticizers, explosives, and binders that make it malleable and easy to shape. When detonated, C4 releases a large amount of energy in the form of heat and pressure, causing an explosive event.

What are the components of a C4 explosive event?

A C4 explosive event consists of three main components: initiation, detonation, and blast. The initiation phase involves the use of a detonator to set off the explosive material. The detonation phase is characterized by a rapid release of energy, resulting in a shock wave and hot gases. The blast phase is the expansion of the hot gases, creating a powerful shock wave that can cause destruction.

What factors influence the power and impact of a C4 explosion?

The power and impact of a C4 explosion can be influenced by several factors, including the amount of explosive material used, the proximity of the explosion to surrounding objects, and the type of environment (open air vs. confined space). The shape and placement of the explosive device can also impact the direction and strength of the blast.

How do scientists study and understand the dynamics of a C4 explosion?

Scientists use a variety of tools and techniques to study and understand the dynamics of a C4 explosion. These include high-speed cameras to capture the explosion in slow motion, computer simulations to model and analyze the blast, and physical experiments using controlled explosions. By combining these methods, scientists can gain a comprehensive understanding of the explosive event.

What are the potential dangers and safety precautions for handling C4?

C4 is a highly powerful and dangerous explosive material. It should only be handled by trained professionals with proper safety equipment and protocols in place. When handling C4, it is essential to follow strict safety guidelines, such as wearing protective gear, storing and transporting it properly, and never using it for non-approved purposes. Failure to follow these precautions can result in serious injury or even death.

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