Predicting Flow-Induced Acoustics at Near-Stall Conditions in an Automotive Turbocharger Compressor: A Numerical Approach (Springer Theses) - Softcover

Buch 399 von 797: Springer Theses

Navarro García, Roberto

 
9783319891613: Predicting Flow-Induced Acoustics at Near-Stall Conditions in an Automotive Turbocharger Compressor: A Numerical Approach (Springer Theses)
Softcover
ISBN 10: 3319891618 ISBN 13: 9783319891613
Verlag: Springer, 2019

Inhaltsangabe

Nominated as an outstanding PhD thesis by the Universitat Politècnica de València, Spain

Reports on a novel procedure for validating three-dimensional computational fluid dynamics (CFD) unsteady simulations

Describes importa

nt phenomena that produce poor and/or noisy compressor performance

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Von der hinteren Coverseite

This thesis offers new insights into the fluid flow behavior of automotive centrifugal compressors operating under near-stall conditions. Firstly it discusses the validation of three-dimensional computational fluid dynamics (CFD) unsteady simulations against acoustic experimental measurements using an original procedure based on plane wave pressure decomposition. It then examines the configuration of the CFD cases, highlighting the key parameters needed for a successful calculation. Moreover, it describes both the compressor mean and unsteady flow field from best-efficiency to near-surge operating points. Lastly, it provides readers with explanations of the various phenomena that arise when the mass flow rate is reduced and the compressor is driven to poor and noisy performance. Written for students, researchers and professionals who want to improve their understanding of the complex fluid flow behavior in centrifugal compressors, the thesis offers valuable practical insights into reducing the acoustic emissions of turbochargers.

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Verlag
Springer
Erscheinungsdatum
2019
Sprache
Englisch
ISBN 10 
3319891618
ISBN 13 
9783319891613
Einband
Taschenbuch
Anzahl der Seiten
172
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