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In contrast, a detonation is characterized by supersonic flame propagation velocities, perhaps up to 2,000 metres per second (4,500 mph), and substantial overpressures, up to 2 megapascals (290 psi). The main mechanism of detonation propagation is of a powerful pressure wave that compresses the unburnt gas ahead of the wave to a temperature ...
Different fuels with different levels of energy and molar constituents will have different adiabatic flame temperatures. Constant pressure flame temperature of a number of fuels, with air Nitromethane versus isooctane flame temperature and pressure. We can see by the following figure why nitromethane (CH 3 NO 2) is often used as a power boost ...
The flame speed is the measured rate of expansion of the flame front in a combustion reaction. Whereas flame velocity is generally used for a fuel, a related term is explosive velocity, which is the same relationship measured for an explosive. Combustion engineers differentiate between the laminar flame speed and turbulent flame speed. Flame ...
A flame (from Latin flamma) is the visible, gaseous part of a fire. It is caused by a highly exothermic chemical reaction made in a thin zone. [1]
A flame-bladed sword or wave-bladed sword has a characteristically undulating style of blade. The wave in the blade is often considered to contribute a flame-like quality to the appearance of a sword. The dents on the blade can appear parallel or in a zig-zag manner. The two most common flame-bladed swords are rapiers or Zweihänders. A flame ...
When the hot fog oil condenses on contact with air, the pigment particles are suspended along with the oil vapor. Early smoke screen experiments attempted the use of colored pigment, but found that titanium dioxide was the most light scattering particle known and therefore best for use in obscuring troops and naval vessels.
A flame tank is a type of tank equipped with a flamethrower, most commonly used to supplement combined arms attacks against fortifications, confined spaces, or other obstacles. The type only reached significant use in the Second World War , during which the United States, Nazi Germany, Soviet Union, Italy , Japan , and the United Kingdom all ...
The ruler of the Cloud Kingdom who lets Princess Brietta, who has been turned into a Pegasus by the evil sorcerer Wenlock, live in her kingdom and later tells Brietta's younger sister, Princess Annika, that the only thing that can defeat Wenlock and save Brietta's kingdom is a build-up magic wand called the Wand of Light. Queen Rayla also gives ...