This paper is aimed to analyze heat transfer in injector plate of hydrogen peroxide hybrid rocket motor by two-dimensional axisymmetric numerical simulations and full-scale firing tests. Long-time working, which is an advantage of hybrid rocket motor over conventional solid rocket motor, puts forward new challenges for thermal protection. Thermal environments of full-scale hybrid rocket motors designed for long-time firing tests are studied through steady-state coupled numerical simulations of flow field and heat transfer in chamber head. The motor adopts 98% hydrogen peroxide (98HP) oxidizer and hydroxyl terminated poly-butadiene (HTPB) based fuel as the propellants. Simulation results reveal that flowing liquid 98HP in head oxidizer chamber could cool the injector plate of the motor. The cooling of 98HP is similar to the regenerative cooling in liquid rocket engines. However, the temperature of the 98HP in periphery portion of the head oxidizer chamber is higher than its boiling point. In order to prevent the liquid 98HP from unexpected decomposition, a thermal protection method for chamber head utilizing silica-phenolics annular insulating board is proposed. The simulation results show that the annular insulating board could effectively decrease the temperature of the 98HP in head oxidizer chamber. Besides, the thermal protection method for long-time working hydrogen peroxide hybrid rocket motor is verified through full-scale firing tests. The ablation of the insulating board in oxygen-rich environment is also analyzed. (C) 2016 IAA. Published by Elsevier Ltd. All rights reserved.
机构:
Univ Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, JapanUniv Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, Japan
Adachi, Masaki
;
Shimada, Toru
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机构:
Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2520222, JapanUniv Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, Japan
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Barato, F.
;
Bellomo, N.
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Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Bellomo, N.
;
Faenza, M.
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Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Faenza, M.
;
Lazzarin, M.
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Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Lazzarin, M.
;
Bettella, A.
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h-index: 0
机构:
Technol Prop & Innovat Srl, I-35137 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Bettella, A.
;
Pavarin, D.
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Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Dushin, V. R.
;
Kulchitskiy, A. V.
论文数: 0引用数: 0
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机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Univ Alaska, Dept Phys, Fairbanks, AK 99775 USA
Univ Alaska, Inst Geophys, Fairbanks, AK USAMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Kulchitskiy, A. V.
;
Nerchenko, V. A.
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Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Nerchenko, V. A.
;
Nikitin, V. F.
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Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Nikitin, V. F.
;
Osadchaya, E. S.
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Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Osadchaya, E. S.
;
Phylippov, Yu. G.
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Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Phylippov, Yu. G.
;
Smirnov, N. N.
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Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
机构:
Univ Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, JapanUniv Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, Japan
Adachi, Masaki
;
Shimada, Toru
论文数: 0引用数: 0
h-index: 0
机构:
Japan Aerosp Explorat Agcy, Inst Space & Astronaut Sci, Sagamihara, Kanagawa 2520222, JapanUniv Tokyo, Dept Aeronaut & Astronaut, Bunkyo Ku, Tokyo 1130033, Japan
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Barato, F.
;
Bellomo, N.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Bellomo, N.
;
Faenza, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Faenza, M.
;
Lazzarin, M.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Lazzarin, M.
;
Bettella, A.
论文数: 0引用数: 0
h-index: 0
机构:
Technol Prop & Innovat Srl, I-35137 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
Bettella, A.
;
Pavarin, D.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, ItalyUniv Padua, Dept Ind Engn, Ctr Studies & Activ Space G Colombo, I-35131 Padua, Italy
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Dushin, V. R.
;
Kulchitskiy, A. V.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Univ Alaska, Dept Phys, Fairbanks, AK 99775 USA
Univ Alaska, Inst Geophys, Fairbanks, AK USAMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Kulchitskiy, A. V.
;
Nerchenko, V. A.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Nerchenko, V. A.
;
Nikitin, V. F.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Nikitin, V. F.
;
Osadchaya, E. S.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Osadchaya, E. S.
;
Phylippov, Yu. G.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia
Phylippov, Yu. G.
;
Smirnov, N. N.
论文数: 0引用数: 0
h-index: 0
机构:
Moscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, RussiaMoscow MV Lomonosov State Univ, Fac Mech & Math, Moscow 119992, Russia