Thermochemical and Energetic Characteristics of DNTF and DNFF
I. Kazakov1, D. V. Dashko2, A. V. Nabatova1, A. I. Stepanov2, D. B. Lempert1
1Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, 142432 Russia
2Tekhnolog Special Design and Technological Bureau, St. Petersburg, 193076 Russia
Keywords: бис(4-нитрофуразан-3-ил)фуразан (DNTF), 3, 4-бис(4-нитрофуразан-3-ил)фуроксан (DNFF), энтальпия образования, кристаллическая структура, смесевое твердое ракетное топливо, удельный импульс, Bis(4-nitrofurazan-3-yl)furazan (DNTF), 3, 4-bis(4-nitrofurazan-3-yl)furoxan (DNFF), enthalpy of formation, crystal structure, composite solid rocket fuel, specific impulse
Abstract
Bis(4-nitrofurazan-3-yl)furazan (DNTF) and 3,4-bis(4-nitrofurazan-3-yl)furoxan (DNFF) have been studied as potential components of composite solid rocket fuels. Their heats of combustion and enthalpies of formation were determined experimentally. X-ray diffraction analysis showed that the DNTF and DNFF crystals were orthogonal with the same space group P212121. DNTF and DNFF were found to be ineffective in rocket fuels with a hydrocarbon binder; however, for compositions without aluminum and with an active binder, the use of DNTF provided a specific impulse of 254.5 s at combustor and nozzle exit pressures of 40 and 1 atm, respectively, and at a density of 1.77 g/cm3, and in the case of DNFF, 258 s at a density of 1.79 g/cm3.
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