Experimental and Computational Study of 2D Smooth Wall Turbulent Boundary Layers in Pressure Gradient
Paper in proceeding, 2022

This paper describes a collaborative experimental and computational study of smooth wall boundary layers in a systematic family of favorable and adverse pressure gradients. The objective is to advance turbulence modeling of these flows, in particular the effects of pressure gradients that can be classified as non-equilibrium. This collaboration is a component of the larger NATO AVT-349 Research Task Group. Experiments under this effort are conducted at Virginia Tech and computational efforts are presented from Virginia Tech, the German Aerospace Center (DLR), the University of Melbourne, Chalmers University of Technology, the Maritime Research Institute Netherlands (MARIN) in conjunction with the University of Lisbon Instituto Superior T├ęcnico (IST) (MARIN/IST), and the Sirehna Naval Group. This paper describes some of the key elements of the experimental and computational approaches, the efforts made for cross-discipline collaboration, verification, and validation, and reports on some initial results and findings. The agreement between various RANS solutions and RANS turbulence models and between RANS solutions and experiment are generally good, but questions remain as to the efficacy of RANS modeling for non-equilibrium boundary layer flows and some potential directions for future investigations are suggested.

Author

Daniel J. Fritsch

Virginia Polytechnic Institute and State University

Vidya Vishwanathan

Virginia Polytechnic Institute and State University

Christopher J. Roy

Virginia Polytechnic Institute and State University

K. Todd Lowe

Virginia Polytechnic Institute and State University

William J. Devenport

Virginia Polytechnic Institute and State University

Yasunari Nishi

German Aerospace Center (DLR)

Tobias Knopp

German Aerospace Center (DLR)

Philip Ströer

German Aerospace Center (DLR)

Andreas Krumbein

German Aerospace Center (DLR)

Richard D. Sandberg

University of Melbourne

Chitrarth Lav

University of Melbourne

Rickard Bensow

Chalmers, Mechanics and Maritime Sciences (M2), Marine Technology

Luís Eça

University of Lisbon

Serge L. Toxopeus

Maritime Research Institute Netherlands (MARIN)

Maarten Kerkvliet

Maritime Research Institute Netherlands (MARIN)

Myriam Slama

Sirehna

Luc Bordier

Sirehna

AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022

AIAA 2022-0696
9781624106316 (ISBN)

AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022
San Diego, USA,

Subject Categories

Aerospace Engineering

Applied Mechanics

Fluid Mechanics and Acoustics

DOI

10.2514/6.2022-0696

More information

Latest update

2/3/2022 1