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Noncircular Orifice Holes and Advanced Fabrication Techniques for Liquid Rocket Injectors (Phases 1, 2, 3, and 4)A comprehensive summary of the results of a cold-flow and hot-fire experimental study of the mixing and atomization characteristics of injector elements incorporating noncircular orifices is presented. Both liquid/liquid and gas/liquid element types are discussed. Unlike doublet and triplet elements (circular orifices only) were investigated for the liquid/liquid case while concentric tube elements were investigated for the gas/liquid case. It is concluded that noncircular shape can be employed to significant advantage in injector design for liquid rocket engines.
Document ID
19740021100
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Mchale, R. M. (Rockwell International Corp. Canoga Park, CA, United States)
Nurick, W. H. (Rockwell International Corp. Canoga Park, CA, United States)
Date Acquired
September 3, 2013
Publication Date
May 1, 1974
Subject Category
Propulsion Systems
Report/Patent Number
R-9271
NASA-CR-134315
Accession Number
74N29213
Funding Number(s)
CONTRACT_GRANT: NAS9-9528
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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