Precompressor cooling resulting from the evaporation of water and oxidizer mass injected into the inlet will allow a TJ engine to fly to higher Mach numbers, have higher thrust, and operate to higher altitudes. Recently, this approach has received new attention when MIPCC installation of TJ engines has been made a central technology of the future affordable launcher, Reference 1. One of the features of the current MIPCC considerations is that oxidizer is used along with water with the purpose to support combustion at the extreme conditions. Because of potentially adverse effects on flame anchoring and combustion, the kinetic effects caused by the water and oxygen addition to the air on combustion performance with JP4 fuel has been examined in this paper.
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