A NEW APPLICATION OF THE PERFECTLY STIRRED REACTOR (P.S.R.) THEORY TO DESIGN OF COMBUSTION CHAMBERS.

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Abstract:

The chief requirement for combustion chamber design is a guarantee of ignition. This guarantee, it was suggested by Bragg 15 years ago, can best be met by formation of a Perfectly Stirred Reactor P.S.R. section at the burner location of a combustion chamber. This proposition is now proved formally in this report by considering representation of a plane or plug-flow flame by a sequence of P.S.R.s. It is then shown that, in the region before ignition, a faster rate of temperature rise is achieved by progressively increasing the size and reducing the number of reactors, with a limit of one single large one for the whole of the ignition section. Conversely, it is shown that faster burn out after ignition is achieved by the opposite, that is by a reversion from perfect stirring to plug flow. Author

Author(s):
Essenhigh, Robert H.
Author Organization(s):
PENNSYLVANIA STATE UNIV UNIVERSITY PARK DEPT OF FUEL SCIENCE
Descriptive Note:
Technical rept.,
Pagination:
0086

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
FS67-1(U)
Contract/Grant Number(s):
Nonr-656(29)
 Subject Terms
Communities of Interest:
Air Platforms
Descriptor(s):
*COMBUSTION CHAMBERS, *FUEL INJECTORS, *FUEL SPRAYS, *COMBUSTION CHAMBER GASES, COMBUSTION, COMBUSTION, FLAME HOLDERS, PLUG NOZZLES, EXHAUST NOZZLES, JET MIXING FLOW, VORTICES, BURNING RATE, TURBULENCE, CONFIGURATIONS, STABILIZATION SYSTEMS, LIQUID ROCKET FUELS, SOLID ROCKET FUELS, HYBRID ROCKET PROPELLANTS, FLAME PROPAGATION, PRESSURIZATION, FANS, IGNITION, HYPERGOLIC IGNITION
Field(s)/Group(s):
Combustion and Ignition, Rocket Engines, Rocket Propellants, Liquid Rocket Propellants, Solid Rocket Propellants
Keyword(s):
GRIDS
Report Date:
1967 Mar 01