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Title: The mixing characteristics of dilution jets issuing into a confined cross-flow
Author: Carrotte, Jonathan F.
ISNI:       0000 0001 2431 7158
Awarding Body: Loughborough University of Technology
Current Institution: Loughborough University
Date of Award: 1990
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An experimental investigation has been carried out into the mixing of a row of jets injected into a confined cross-flow. Measurements were made on a fully annular test facility, the geometry of the rig simulating that found in the dilution zone of a gas turbine combustion chamber. A small temperature difference of 44°C between the cross-flow and dilution fluid allowed the mixing characteristics to be assessed, with hot jets being injected into a relatively cold cross-flow at a jet to cross-flow momentum flux ratio of 4.0. The investigation concentrated on differences in the mixing of individual dilution jets, as indicated by the regularity of the temperature patterns around the cross-flow annulus. Despite the uniform conditions approaching the dilution holes there were significant differences in the temperature patterns produced by the dilution jets around the annulus.
Supervisor: Not available Sponsor: Royal Aerospace Establishment (Pyestock)
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Jet mixing/gas turbine engine