Development of ignition systems for 200 N and 500 N thrusts with ecologically-clean propellants 94-percent HTHP + kerosene and oxygen (gas) + kerosene

Paper number

IAC-09.C4.8.13

Author

Prof. Alexander Alexandrovich Kozlov , Moscow Aviation Institute, Russia

Coauthor

Mr. Alexey Gennadievich Vorobiev, Moscow Aviation Institute, Russia

Coauthor

Mr. Igor Nikolaevich Borovik, Moscow Aviation Institute, Russia

Coauthor

Mr. Seong-Up Ha, Moscow Aviation Institute, Russia

Year

2009

Abstract

It is so important to find out the dynamic characteristics of ignition in impulse-mode rocket thrusts, especially with non-hypergolic propellants. The group of small thrust LRE in Moscow Aviation Institute (MAI) is researching various types of ignition systems with components HTHP + kerosene and gaseous oxygen + kerosene as follows.

\begin{itemize}\item 200 N HTHP+Kerosene Catalyst ignition\end{itemize}
\begin{itemize}\item 500 N HTHP+Kerosene Catalyst/Electrospark ignition\end{itemize}
         \begin{itemize}\item 200 N Oxygen(g)+Kerosene Electrospark/Glow Plug ignition\end{itemize}      

  For the catalyst ignition system, granule-type catalyst with special coatings, developed in GNII HTEOS (Russia), is applied. When HTHP passes through the catalyst cartridge, it is decomposed and its temperature rises to over 1000 K. consequently it is ignited spontaneously right after kerosene is injected and contacts with high-temperature HTHP in combustion chamber. The mass flow rate of HTHP, the mass of catalyst to maintain its activity and the function of mass loss by burning rate will be experimentally investigated.

  The principal parts of electrospark ignition system, compact-size high-voltage transducer and built-in electrospark injector, were developed. To initiate flame reliably, small amount of propellants are supplied to the prechamber of electrospark igniter. To estimate the time delay of ignition, the mathematical model of transient processes in combustion chamber is developing. In this mathematical model the geometry of mixing heads, valve models, spark characteristics, gas-dynamic heat transfer are included.

Abstract document

IAC-09.C4.8.13.pdf

Manuscript document

IAC-09.C4.8.13.pdf (🔒 authorized access only).

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