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Abstract <p>Effect of carbon additives on burning rate of model composite propellants is studied. Paste-like propellant compositions are used, which are an analog of composite solid propellant with an uncured binder. The role of nanocarbon additives is played by different substances: detonation nanodiamond (DND), which is sometimes heat-treated or crushed to a size of 4 nm, multilayer carbon nanotubes, soot, activated carbon, graphite, adamantane, and graphene. Among all the allotropic forms of carbon, the greatest increase in burning rate (23%) was achieved with the addition of 2% DNA and 2 wt % plasticizer: the combustion product temperature decreases by ≈200°C, thereby reducing the probability of rocket engine burnout.</p>

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Effect of Modified Allotropic Forms of Carbon on the Burning Rate of Model Compositions of Paste-Like Fuels

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • S. Yu. Naryzhnyi,
  • V. Yu. Dolmatov,
  • A. S. Kozlov,
  • V. V. Fomenko,
  • G. V. Semashkin,
  • V. A. Marchukov,
  • S. V. Desyatov,
  • M. D. Klimov

摘要

Abstract

Effect of carbon additives on burning rate of model composite propellants is studied. Paste-like propellant compositions are used, which are an analog of composite solid propellant with an uncured binder. The role of nanocarbon additives is played by different substances: detonation nanodiamond (DND), which is sometimes heat-treated or crushed to a size of 4 nm, multilayer carbon nanotubes, soot, activated carbon, graphite, adamantane, and graphene. Among all the allotropic forms of carbon, the greatest increase in burning rate (23%) was achieved with the addition of 2% DNA and 2 wt % plasticizer: the combustion product temperature decreases by ≈200°C, thereby reducing the probability of rocket engine burnout.