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Physical and Ballistic Characterization of Aluminum-Loaded Paraffin Hybrid Rocket Fuels

The physical, thermal and ballistic performance of paraffin-based fuel loaded with aluminum (Al) additive was investigated. The paraffin-based fuels were prepared using varying weight percentages of polyethylene (PE) as a binder and Al as an energetic additive. The mechanical tests showed significant improvement in compression strength and elastic modulus with the addition of PE and Al to pure paraffin wax. The ignition performance, combustion characteristics, and exothermic behavior of these paraffin-based fuels were studied through Thermogravimetry/DerivativeThermoGravimetry/Differential Scanning Calorimetry (TG/DTG/DSC) experiments. The addition of PE increased the ignition and binder temperature, whereas the incorporation of a metallic additive lowered the decomposition temperature. The heat of combustion of paraffin-based fuel samples increased as the Al loading content was increased from 5 wt % to 25 wt %. The ignition and combustion indices were calculated to evaluate the ignitability and combustio...

Authors:   Yash Pal; V. Ravi Kumar
Journal:   Energy & Fuels
Year:   2017
DOI:   10.1021/acs.energyfuels.7b01636
Publication date:   28-Aug-2017
Facts, background information, dossiers
  • paraffin
  • combustion
  • Binder
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