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Numerical Stall Behavior Investigation of an Aircraft Equipped with Coanda Flap and Droop Nose Read chapter Read first chapter

2016 | OriginalPaper | Chapter

Simulation of a Helicopter Engine Jet Including a Realistic Nozzle Geometry

Authors : Mehmet Onur Cetin, Matthias Meinke, Wolfgang Schröder

Published in: New Results in Numerical and Experimental Fluid Mechanics X

Publisher: Springer International Publishing

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Abstract

A preliminary numerical simulation of a helicopter engine jet at a Reynolds number of Re = 750,000 and a Mach number of M = 0.341 is performed. The influence of a realistic nozzle geometry on the jet properties is analyzed by using highly resolved large-eddy simulations based on hierarchically refined cartesian meshes. To simulate the helicopter engine jet, the interior of the engine nozzle, is included in the flow domain. At the inlet plane synthetic turbulence is prescribed to mimic the exit conditions after the last turbine stage. For the validation of the solution method, a single cold round jet at a Reynolds number of Re = 400,000 and a Mach number of M = 0.9 is computed and the results are compared to reference data.

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Metadata
Title
Simulation of a Helicopter Engine Jet Including a Realistic Nozzle Geometry
Authors
Mehmet Onur Cetin
Matthias Meinke
Wolfgang Schröder
Copyright Year
2016
Book
New Results in Numerical and Experimental Fluid Mechanics X

Print ISBN: 978-3-319-27278-8

Electronic ISBN: 978-3-319-27279-5

Copyright Year: 2016

DOI
https://doi.org/10.1007/978-3-319-27279-5_14

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