9/11 WTC Fire Simulation - Coolcam With PIP, Speed X2 (NIST FOIA #15)

Inside a simulated fuel accelerated WTC office fire. The hotter the fire, the faster the total fuel available burns itself out, this fire is done within 30 minutes. The entire chemistry and physics of fire and burning, or combustion, can be simplified into a relationship between three components—fuel, heat (temperature), and oxygen (air). To have a fire in any combustible substance, each one of these components must be present to help each other. Picture these components in the form of a triangle. if the oxygen reacts with the fuel, it creates heat, which causes a draft or some other condition that takes in more oxygen and creates still more heat, and so on. Or the heat may cause more fuel to become available (such as causing gasoline to boil into vapor), which then takes more oxygen to burn and creates more heat, which then produces still more fuel, and so on. The burning reaction can go in many different directions. The modern science of firefighting and fire extinguishment is based on the sides of the fire triangle and an uninhibited chain reaction of burning. Obviously, the firefighter can remove one or more of the components to cause the burning to stop. The type of firefighting agent the firefighter has at hand determines which component or components of the triangle will be removed. Another way the firefighter can stop the fire (and the combustion) is to place a screen between any two components of the triangle. If the fighter uses an agent as a temporary screen that breaks the triangle, the fire goes out. Obviously, the fire can quickly start up again if this method is used because each of the three necessary components is still there waiting to start the fire again once the screen is gone. The fire triangle describes the requirements for surface glowing or smoldering, but it doesn't completely describe flaming combustion requirements. A fourth requirement, an uninhibited chain reaction, is needed for flames to exist. This is shown by the fire tetrahedron. A tetrahedron is a solid figure with four triangular faces. It is useful for illustrating the flaming combustion process because it provides for the chemical chain reaction requirement and each face touches the other three sides. As described for the fire triangle, flaming combustion stops when one of the four sides of the fire tetrahedron is removed.

The main phases of the combustion reaction are:

Pre-ignition is the heat absorbing phase of combustion where heat is applied to fuel resulting in vaporization of water and other substances providing the gases that sustain flames in the next phase of combustion.

Flaming combustion is a phase of combustion where heat is released. This phase is the most efficient phase of combustion producing the least amount of smoke per unit of fuel consumed. The products of flaming combustion are primarily carbon dioxide and water vapor.

Smoldering combustion is the least efficient phase of combustion and produces the most smoke. This phase lacks flame, and is associated with conditions where oxygen is limited -- either by char of fuels (particularly those with large surface to volume ratios) or by tightly packed fuels or in wet fuels.

Glowing combustion is the phase of combustion when only embers are visible. During this phase, there is no longer enough energy to create visible smoke.

Extinction either occurs when fire goes out after the available fuel is consumed or there is insufficient heat produced by oxidation in previous stages to vaporize moisture from unburned fuel. The fuel moisture, surrounding air or inorganic materials absorb and reduce the heat from combustion and this results in the fire extinction process..

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[IranContraScumDid911]

@patthespark Notice this fire went out long before it got hot enough to melt anything but plastic and wood.

[buttkracken]

Every support column has to has to fail at exactly the same moment to have a symmetric collapse, otherwise the building will fall apart as it burns. I doubt any buildings ever fell like WTC7 before controlled demolitions were invented. Computer timing of explosives is absolutely critical to drop in it's own footprint.

[moogman5]

What about the pancake collapse?? Where's the collapse in this experiment?

[purplehatcult]

I know the conclusions that NIST came to, There must have been some big bribes going on there because any 10th grade science student would say "What?" I'm talking about in this simulation. the beams and pannels would be behind the walls and ceilings that are there before they light the fire. Ceilings and wall pannels are just as much fuel for an office fire as computers and desks are, depending what they're made out of ofcourse.

[ctrackmonger]

@purplehatcult

The supposed weak spot, according to NIST NCSTAR WTC Catastrophe, was the floor trusses...

There is no ceiling panels, so why do I not see the 45 inches of deflection (bowing) that NIST claimed happened to the trusses???

[purplehatcult]

@ctrackmonger The supposed weakspots are probably behind the walls and in the ceiling.

[Ahlywog]

@Emsworker68 Whatever the max temp achieved it certainly didn't sustain it long.  Am I wrong in seeing a visible decline after about 10 minutes?

[Emsworker68]

Even NIST own excercise shows that a office fire even with an accelerant used could not cause a universal simalanious collapse of a structure. That was not a hot fire. The fire consumed its fuel quickly and than pertered out. All that is needed is 1 hose and 2 firefighters to put that fire out. Geeze even the thermal layer did not get that low. It would have been interesting if they had connected a thermal camera to the video so we could see the temp.

[BronyaCovooper]

haha what are those lame poles holding up the ceiling??

[ctrackmonger]

Wow, these things aren't even mocks of the towers!!!

They made the perimeter, but where is the supposed weak spot (the floor trusses)???

All I saw was some beams holding up the ceiling panels!!!