Computational Aeroacoustics for HVAC  Systems Utilizing a Hybrid Approach

Manfred Kaltenbacher; Andreas Hüppe; Aaron Reppenhagen; Matthias Tautz; Stefan Becker; Wolfram Kühnel

doi:10.4271/2016-01-1808

Computational Aeroacoustics for HVAC Systems Utilizing a Hybrid Approach

Manfred Kaltenbacher, Andreas Hüppe, Aaron Reppenhagen, Matthias Tautz, Stefan Becker, Wolfram Kühnel

Research output: Contribution to journal › Conference article › peer-review

Abstract

We present a recently developed computational scheme for the numerical simulation of flow induced sound for rotating systems. Thereby, the flow is computed by scale resolving simulations using an arbitrary mesh interface scheme for connecting rotating and stationary domains. The acoustic field is modeled by a perturbation ansatz resulting in a convective wave equation based on the acoustic scalar potential and the substational time derivative of the incompressible flow pressure as a source term. We use the Finite-Element (FE) method for solving the convective wave equation and apply a Nitsche type mortaring at the interface between rotating and stationary domains. The whole scheme is applied to the numerical computation of a side channel blower.

Original language	English
Pages (from-to)	1047-1052
Number of pages	6
Journal	SAE International Journal of Passenger Cars - Mechanical Systems
Volume	9
Issue number	3
DOIs	https://doi.org/10.4271/2016-01-1808
Publication status	Published - 15 Jun 2016
Event	ISNVH 2016 - 9th International Styrian Noise, Vibration & Harshness Congress - Congress Graz, Graz, Austria Duration: 22 Jun 2016 → 24 Jun 2016

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title = "Computational Aeroacoustics for HVAC Systems Utilizing a Hybrid Approach",

abstract = "We present a recently developed computational scheme for the numerical simulation of flow induced sound for rotating systems. Thereby, the flow is computed by scale resolving simulations using an arbitrary mesh interface scheme for connecting rotating and stationary domains. The acoustic field is modeled by a perturbation ansatz resulting in a convective wave equation based on the acoustic scalar potential and the substational time derivative of the incompressible flow pressure as a source term. We use the Finite-Element (FE) method for solving the convective wave equation and apply a Nitsche type mortaring at the interface between rotating and stationary domains. The whole scheme is applied to the numerical computation of a side channel blower.",

author = "Manfred Kaltenbacher and Andreas H{\"u}ppe and Aaron Reppenhagen and Matthias Tautz and Stefan Becker and Wolfram K{\"u}hnel",

year = "2016",

month = jun,

day = "15",

doi = "10.4271/2016-01-1808",

language = "English",

volume = "9",

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journal = "SAE International Journal of Passenger Cars - Mechanical Systems",

issn = "1946-4002",

publisher = "SAE International",

number = "3",

note = " ISNVH 2016 - 9th International Styrian Noise, Vibration & Harshness Congress ; Conference date: 22-06-2016 Through 24-06-2016",

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TY - JOUR

T1 - Computational Aeroacoustics for HVAC Systems Utilizing a Hybrid Approach

AU - Kaltenbacher, Manfred

AU - Hüppe, Andreas

AU - Reppenhagen, Aaron

AU - Tautz, Matthias

AU - Becker, Stefan

AU - Kühnel, Wolfram

PY - 2016/6/15

Y1 - 2016/6/15

N2 - We present a recently developed computational scheme for the numerical simulation of flow induced sound for rotating systems. Thereby, the flow is computed by scale resolving simulations using an arbitrary mesh interface scheme for connecting rotating and stationary domains. The acoustic field is modeled by a perturbation ansatz resulting in a convective wave equation based on the acoustic scalar potential and the substational time derivative of the incompressible flow pressure as a source term. We use the Finite-Element (FE) method for solving the convective wave equation and apply a Nitsche type mortaring at the interface between rotating and stationary domains. The whole scheme is applied to the numerical computation of a side channel blower.

AB - We present a recently developed computational scheme for the numerical simulation of flow induced sound for rotating systems. Thereby, the flow is computed by scale resolving simulations using an arbitrary mesh interface scheme for connecting rotating and stationary domains. The acoustic field is modeled by a perturbation ansatz resulting in a convective wave equation based on the acoustic scalar potential and the substational time derivative of the incompressible flow pressure as a source term. We use the Finite-Element (FE) method for solving the convective wave equation and apply a Nitsche type mortaring at the interface between rotating and stationary domains. The whole scheme is applied to the numerical computation of a side channel blower.

U2 - 10.4271/2016-01-1808

DO - 10.4271/2016-01-1808

M3 - Conference article

SN - 1946-4002

VL - 9

SP - 1047

EP - 1052

JO - SAE International Journal of Passenger Cars - Mechanical Systems

JF - SAE International Journal of Passenger Cars - Mechanical Systems

IS - 3

T2 - ISNVH 2016 - 9th International Styrian Noise, Vibration & Harshness Congress

Y2 - 22 June 2016 through 24 June 2016

ER -

Computational Aeroacoustics for HVAC Systems Utilizing a Hybrid Approach

Abstract

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