Gas Generators (pressure cartridges) use pyrotechnic mixtures to produce hot gas for a multitude of applications. They can be mechanically, electrically or laser initiated. Upon receipt of an input stimulus, the propellant in the gas generator will ignite, emitting heat, hot particles and/or gas at a controlled rate to provide the necessary input to the next level assembly. PacSci EMC can tailor a design by incorporating propellant grains of various geometries and associative hardware features to meet needed pressure vs. time gas delivery requirements.
Used to pressurize and/or actuate flight control surface systems, they are also known as start cartridges, typically provide gas flow to spin a turbine as part of the starting sequence for turbojet engines. They may also be used to provide actuation pressure to control the rate of mechanical movement in mechanical actuation systems.
4.5 amps for 10 milliseconds minimum ( .999 reliability at 95% confidence )
1.0 amp / 1.0 watt for 5 minutes maximum
-54°C to +71°C
With the application of the All-Fire current, Generators are tailored to produce gas delivery at application specific pressure / time requirements.
With the application of the All-Fire current, Generators will begin to generate hot gas within 50 milliseconds.
PYROTECHNIC GAS GENERATORS
Gas Generator geometric interface features and performance can be customized to fit many customer envelopes/applications.
A 3-dimensional structural analysis of solid propellant grains in a gas generator during its ignition event using explicit dynamic method was conducted in this study.
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