Experimental validation of the T4 Mach 7.0 nozzle

Chan, W. Y. K., Smart, M. K. and Jacobs, P. A. (2014) Experimental validation of the T4 Mach 7.0 nozzle. Technical Report 2014/14, School of Mechanical and Mining Engineering, The University of Queensland.

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Author Chan, W. Y. K.
Smart, M. K.
Jacobs, P. A.
Title Experimental validation of the T4 Mach 7.0 nozzle
School, Department or Centre School of Mechanical and Mining Engineering
Institution The University of Queensland
Open Access Status File (Publisher version)
Report Number 2014/14
Series Technical Report
Publication date 2014-09-30
Start page 1
End page 18
Total pages 18
Language eng
Formatted Abstract/Summary
This report details the experimental validation of an axisymmetric Mach 7.0 contoured nozzle that has recently been designed for the T4 reflected shock tunnel facility. This report details the experimental validation of the design of this nozzle. The validation is conducted by comparing Pitot pressure distributions that are experimentally measured at the exit of the nozzle with Pitot pressure distributions that are expected from the design process. An excellent agreement between the experimental and numerical Pitot pressure distributions is achieved at all three locations downstream of the nozzle exit, hence demonstrating the validity of the methodology that was used to design the nozzle flowpath. The experimentally measured Pitot pressure distribution showed that the nozzle outflow is reasonably axisymmetric and that there is good level of uniformity in the core flow region of the nozzle flowfield. Additional tests indicated that the distribution of Pitot-to-nozzle-supply pressure ratio and the size of the uniform region of the nozzle flowfield are not sensitive to changes in the nozzle-supply conditions.
Institutional Status UQ

Document type: Department Technical Report
Collection: School of Mechanical & Mining Engineering Publications
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Created: Wed, 03 Feb 2016, 13:14:15 EST by Peter Jacobs on behalf of School of Mechanical and Mining Engineering