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There is a rapid build-up (or "spike") in temperature due to the compound effect of rapidly burning (i.e., deflagrating) gases and the thermal cycle they produce. This is generally the best indication of a flashover. [2] The fire is in a ventilated compartment, so there is no shortage of oxygen in the room. [citation needed]
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 ...
The propagation speed of a premixed flame is known as the flame speed (or burning velocity) which depends on the convection-diffusion-reaction balance within the flame, i.e. on its inner chemical structure. The premixed flame is characterised as laminar or turbulent depending on the velocity distribution in the unburned pre-mixture (which ...
A typical temperature increase upon ignition of a cool flame is a few tens of degrees Celsius whereas it is on the order of 1,000 °C (1,830 °F) for a hot flame. [2] [13] Most experimental data can be explained by the model which considers cool flame just as a slow chemical reaction where the rate of heat generation is higher than the heat loss.
Flambéing reduces the alcohol content of the food modestly. In one experimental model, about 25% of the alcohol was boiled off. The effects of the flames are also modest: although the temperature within the flame may be quite high (over 500 °C), the temperature at the surface of the pan is lower than that required for a Maillard browning reaction or for caramelization.
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]
The Flame Nebula, designated as NGC 2024 and Sh2-277, is an emission nebula in the constellation Orion. It is about 1350 light-years away. [ 1 ] At that distance, the Flame Nebula lies within the Orion B cloud of the larger Orion Molecular Cloud Complex .
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 ...