Prediction of the aerodynamic and acoustic impact of propeller-wing interference

Jianhua Zhang; Kenneth S. Brentner; Edward C. Smith

Prediction of the aerodynamic and acoustic impact of propeller-wing interference

Jianhua Zhang, Kenneth S. Brentner, Edward C. Smith

Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

11 Scopus citations

Abstract

A coupled RCAS/PSU-WOPWOP analysis has been implemented to investigate the aerodynamic and acoustic impact of propeller-wing interference. A nominal RCAS model based on XV-15 vehicle is developed first. The unsteady propeller blade loading due to the interference has been validated with another study using high fidelity CFD simulation. The capability of the coupled RCAS/PSU-WOPWOP analysis for noise prediction has been validated against measured acoustic flight test data of XV-15 tiltrotor vehicle. The impact of the impulsive unsteady propeller loads on noise has been investigated. The results show that propeller unsteady loading can add more than 10 dB in OASPL level. Parametric studies have also been conducted. The results show that lowering propeller RPM may slightly reduce the noise level, but the unsteady propeller loading can add more than 10 dB in OASPL. The unsteady loading effect is even more significant when the vehicle speed is reduced, the OASPL level at the rear of propellers may be increased by 20 dB.

Original language	English (US)
Title of host publication	Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020
Publisher	Vertical Flight Society
Pages	452-463
Number of pages	12
ISBN (Electronic)	9781713806332
State	Published - 2020
Event	Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020 - San Jose, United States Duration: Jan 21 2020 → Jan 23 2020

Publication series

Name	Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020

Conference

Conference	Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020
Country/Territory	United States
City	San Jose
Period	1/21/20 → 1/23/20

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Control and Systems Engineering
Electrical and Electronic Engineering

Cite this

Zhang, J., Brentner, K. S., & Smith, E. C. (2020). Prediction of the aerodynamic and acoustic impact of propeller-wing interference. In Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020 (pp. 452-463). (Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020). Vertical Flight Society.

Zhang, Jianhua ; Brentner, Kenneth S. ; Smith, Edward C. / Prediction of the aerodynamic and acoustic impact of propeller-wing interference. Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020. Vertical Flight Society, 2020. pp. 452-463 (Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020).

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title = "Prediction of the aerodynamic and acoustic impact of propeller-wing interference",

abstract = "A coupled RCAS/PSU-WOPWOP analysis has been implemented to investigate the aerodynamic and acoustic impact of propeller-wing interference. A nominal RCAS model based on XV-15 vehicle is developed first. The unsteady propeller blade loading due to the interference has been validated with another study using high fidelity CFD simulation. The capability of the coupled RCAS/PSU-WOPWOP analysis for noise prediction has been validated against measured acoustic flight test data of XV-15 tiltrotor vehicle. The impact of the impulsive unsteady propeller loads on noise has been investigated. The results show that propeller unsteady loading can add more than 10 dB in OASPL level. Parametric studies have also been conducted. The results show that lowering propeller RPM may slightly reduce the noise level, but the unsteady propeller loading can add more than 10 dB in OASPL. The unsteady loading effect is even more significant when the vehicle speed is reduced, the OASPL level at the rear of propellers may be increased by 20 dB.",

author = "Jianhua Zhang and Brentner, {Kenneth S.} and Smith, {Edward C.}",

note = "Publisher Copyright: Copyright {\textcopyright} 2020 by the Vertical Flight Society. All rights reserved. Copyright: Copyright 2020 Elsevier B.V., All rights reserved.; Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020 ; Conference date: 21-01-2020 Through 23-01-2020",

year = "2020",

language = "English (US)",

series = "Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020",

publisher = "Vertical Flight Society",

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booktitle = "Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020",

}

Zhang, J , Brentner, KS & Smith, EC 2020, Prediction of the aerodynamic and acoustic impact of propeller-wing interference. in Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020. Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020, Vertical Flight Society, pp. 452-463, Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020, San Jose, United States, 1/21/20.

Prediction of the aerodynamic and acoustic impact of propeller-wing interference. / Zhang, Jianhua ; Brentner, Kenneth S.; Smith, Edward C.
Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020. Vertical Flight Society, 2020. p. 452-463 (Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

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AU - Brentner, Kenneth S.

AU - Smith, Edward C.

PY - 2020

Y1 - 2020

N2 - A coupled RCAS/PSU-WOPWOP analysis has been implemented to investigate the aerodynamic and acoustic impact of propeller-wing interference. A nominal RCAS model based on XV-15 vehicle is developed first. The unsteady propeller blade loading due to the interference has been validated with another study using high fidelity CFD simulation. The capability of the coupled RCAS/PSU-WOPWOP analysis for noise prediction has been validated against measured acoustic flight test data of XV-15 tiltrotor vehicle. The impact of the impulsive unsteady propeller loads on noise has been investigated. The results show that propeller unsteady loading can add more than 10 dB in OASPL level. Parametric studies have also been conducted. The results show that lowering propeller RPM may slightly reduce the noise level, but the unsteady propeller loading can add more than 10 dB in OASPL. The unsteady loading effect is even more significant when the vehicle speed is reduced, the OASPL level at the rear of propellers may be increased by 20 dB.

AB - A coupled RCAS/PSU-WOPWOP analysis has been implemented to investigate the aerodynamic and acoustic impact of propeller-wing interference. A nominal RCAS model based on XV-15 vehicle is developed first. The unsteady propeller blade loading due to the interference has been validated with another study using high fidelity CFD simulation. The capability of the coupled RCAS/PSU-WOPWOP analysis for noise prediction has been validated against measured acoustic flight test data of XV-15 tiltrotor vehicle. The impact of the impulsive unsteady propeller loads on noise has been investigated. The results show that propeller unsteady loading can add more than 10 dB in OASPL level. Parametric studies have also been conducted. The results show that lowering propeller RPM may slightly reduce the noise level, but the unsteady propeller loading can add more than 10 dB in OASPL. The unsteady loading effect is even more significant when the vehicle speed is reduced, the OASPL level at the rear of propellers may be increased by 20 dB.

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Zhang J , Brentner KS , Smith EC. Prediction of the aerodynamic and acoustic impact of propeller-wing interference. In Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020. Vertical Flight Society. 2020. p. 452-463. (Aeromechanics for Advanced Vertical Flight Technical Meeting 2020, Held at Transformative Vertical Flight 2020).

Prediction of the aerodynamic and acoustic impact of propeller-wing interference

Abstract

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All Science Journal Classification (ASJC) codes

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