首页|Preparation and properties of high-energy-density aluminum/boron-containing gelled fuels
Preparation and properties of high-energy-density aluminum/boron-containing gelled fuels
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Energetic nanofluid fuel has caught the attention of the field of aerospace liquid propellant for its high energy density(HED),but it suffers from the inevitable solid-liquid phase separation problem.To resolve this problem,herein we synthesized the high-Al-/B-containing(up to 30％(mass))HED gelled fuels,with low-molecular-mass organic gellant Z,which show high net heat of combustion(NHOC),density,storage stability,and thixotropic properties.The characterizations indicate that the application of energetic particles to the gelled fuels obviously destroys their fibrous network structures but can provide the new particle-gellant gelation microstructures,resulting in the comparable stability between 1.0％(mass)Z/JP-10+30％(mass)Al or B and pure JP-10 gelled fuel.Moreover,the gelled fuels with high-content Al or B exhibit high shear-thinning property,recovery capability,and mechanical strength,which are favorable for their storage and utilization.Importantly,the prepared 1.0％(mass)Z/JP-10+30％(mass)B(or 1.0％(mass)Z/JP-10+30％(mass)Al)shows the density and NHOC 1.27 times(1.30)and 1.43 times(1.21)higher than pure JP-10,respectively.This work provides a facile and valid approach to the manufacturing of HED gelled fuels with high content of energetic particles for gel propellants.
Yi Chen、Kang Xue、Yang Liu、Lun Pan、Xiangwen Zhang、Ji-Jun Zou
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Key Laboratory for Green Chemical Technology of the Ministry of Education,School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China
Collaborative Innovative Center of Chemical Science and Engineering(Tianjin),Tianjin 300072,China
Haihe Laboratory of Sustainable Chemical Transformations,Tianjin 300192,China
Zhejiang Institute of Tianjin University,Ningbo 315201,China
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国家自然科学基金国家自然科学基金Haihe Laboratory of Sustainable Chemical Transformations
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