Electronic energy exchange in high-temperature air |
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Authors: | S A Losev V N Yarygina |
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Institution: | 1. Institute of Mechanics, Moscow State University, Michurinskii pr. 1, Moscow, Russia 2. Federal State Unitary Enterprise “State Research and Production Enterprise ‘Bazalt’”, Moscow, Russia
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Abstract: | Kinetic processes with the participation of electronic states of atoms and molecules in air behind the shock wave front were
analyzed. All metastable levels of molecular and atomic oxygen and nitrogen and nitrogen oxide molecules situated below the
dissociation energy were analyzed. In high-temperature air, atom and molecule electronic states are formed in dissociation
and recombination, electronic energy exchange in collisions of particles, and chemical exchange reactions. The formation of
excited electronic states in the recombination of atoms and isoenergy vibrational energy transfer from highly excited vibrational
levels into electronic energy is the fastest process. The quenching of metastable particles occurs in collisions between particles,
dissociation and recombination, and chemical exchange reactions. A database on electronic energy exchange rate constants in
high-temperature air is presented. |
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