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Study on Properties of Series Pulse Electrical Ignition of Liquid Propellant Spray

Author: WangYuQiang
Tutor: YuYongGang
School: Nanjing University of Technology and Engineering
Course: Engineering Thermophysics
Keywords: Liquid propellant Liquid fog Pulse electric ignition Numerical Simulation
CLC: V511
Type: Master's thesis
Year: 2009
Downloads: 57
Quote: 0
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Abstract


Liquid rocket engine engineering background , to carry out the circular sequence pulse electric ignition characteristics of the liquid propellant , following major elements: ( 1 ) designed and fabricated a ring sequence pulse electric ignition system studied under different operating conditions of the device discharge characteristics; (2) designed and fabricated a liquid propellant spray device, HAN based liquid propellant spray characteristics , and calculated based on formula fitting experimental atomized particles Suotai Er average diameter D 32 , established jet Fragmentation model of gas - liquid two-phase flow theory , and numerical simulation ; (3) to build a liquid propellant liquid fog ring sequence pulse electrical ignition experiment platform using high-speed video system different conditions LP1846 liquid fog sequence pulse electric ignition characteristics ; (4 ) design a ring sequence control based on the timing circuit pulse electric ignition system , and its related theoretical studies ; (5 ) on an experimental basis , the establishment of forced convection environment LP1846 single drop ignited a mathematical model to estimate the the LP1846 droplets minimum ignition energy , calculated results show that the ignition design is reasonable and feasible .

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CLC: > Aviation, aerospace > Aerospace ( Astronauts ) > Aerospace fuel ( propellant ) and lubricants > Liquid propellant
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