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Numerical Investigation of Slot and Configuration Impact on the Efficiency of Tangential Blowing at a Vertical Tailplane with Infinite Span Read chapter Read first chapter

2018 | OriginalPaper | Chapter

Experimental Investigation of a Dynamically Forced Impinging Jet Array

Authors : Frank Haucke, Arne Berthold

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

Publisher: Springer International Publishing

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Abstract

Dynamic forced impingement cooling is investigated experimentally. Due to the pulsation of impinging jets, strong ring vortices can be generated. Thereby, pulse parameters, e.g. frequency, amplitude, duty cycle and phase shift as well as geometrical parameters e.g. impingement distance, jet nozzle distance or jet nozzle arrangement, play an important role on maximizing the heat transfer on hot surfaces. In the present paper the local convective heat transfer on an electrically heated flat plate is being investigated, while under the influence of a 7 by 7 inline impinging jet array. The cooling efficiency of pulsed actuation with side wall induced crossflow is determined by comparing local Nusselt numbers to the steady blowing case.

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previous chapter One-Equation Transition Model for Airfoil and Wing Aerodynamics
next chapter Linear and Nonlinear Growth of Secondary Instabilities of Stationary Crossflow Vortices Studied by Parabolized Stability Equations
Literature
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Metadata
Title
Experimental Investigation of a Dynamically Forced Impinging Jet Array
Authors
Frank Haucke
Arne Berthold
Copyright Year
2018
Book
New Results in Numerical and Experimental Fluid Mechanics XI

Print ISBN: 978-3-319-64518-6

Electronic ISBN: 978-3-319-64519-3

Copyright Year: 2018

DOI
https://doi.org/10.1007/978-3-319-64519-3_19

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