Abstract
A method was developed for the automated calculation of the safe electrical load on spiral bulbs warmed by capacitors for the multiple start-ups of open gas generators under water. An energy criterion was proposed that would, for spiral bulbs with known dimensions and thermal properties, allow the selection of the type of pulsed power supply providing wire heating required for dibasic solid fuel (DSF) ignition, and maintaining its operative state.
Highlights
For the enabling of multiple start-ups and stops of underwater open gas generators (OG) based on dibasic solid fuels (DSF) [1], a method [2] was proposed, according to which the block fuel 1 is located in an upright position
Burning is maintained due to the forced movement down of the HG, and the extinction of DSF occurs after the HG's retraction upward
The analysis showed that in the presence of a thin steel screen between CH and the end surface of a block from DSF, sources that allow the production of an energy density of more than 30 mJ/m2 in the section of DSF heating are necessary for the realization of this process
Summary
For the enabling of multiple start-ups and stops of underwater open gas generators (OG) based on dibasic solid fuels (DSF) [1], a method [2] was proposed, according to which the block fuel 1 is located in an upright position (figure 1). Liquid that can completely fill the margin formed between the walls and the block. Burning is maintained due to the forced movement down of the HG, and the extinction of DSF occurs after the HG's retraction upward. An experimental check confirmed [3] that the proposed method of DSF burning in an aquatic environment provides for stable ignition, stable combustion and reliable burning interruption
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