Abstract
Abstract The burning process of a fuel droplet adjacent to an oxidizer droplet under an oxidizing convective Rowis studied numerically by a quasi-steady body-fitted computation. Hypergolic propellants such as monomethyl hydrazine and nitrogen tetroxide served as the fuel oxidizer sources, respectively. The computation took into account the variable properties of bipropellant species and products, with a singlestep global finite-rate chemical reaction being assumed for the gas-phase combustion. The results obtained from the present numerical analysis show that multiple flame-configurations and vaporization-rates characteristic of temperature-sensitive, high-activation-energy Arrhenius kinetics, occurring under certain flow conditions for n-octane droplet burning in air flow(Jiang et al.,1993), are not exhibited by the present hypergolic propellants, which are characterized by a low-activation-energy of reaction. The oxidizer droplet adjacent to the fuel droplet substantially influences both flame configura...
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