The radiative processes involved in combustion were investigated to determine the present role of radiant energy transfer in combustors. It was shown that, at present, the amount of radiant energy transfer from flame to fuel is quite small in a turbojet combustor. In order to find techniques for making this radiant energy transfer from flame to fuel significant, methods of increasing the equivalent gray-body emissivities of the fuel drops and the flame, as well as the efficiency of the energy transfer itself, were examined.
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