Výsledky vyhledávání - "Luther N. Jenkins"

Flow-Field Measurements in a Wing-Fuselage Junction Using an Embedded Particle Image Velocimetry System

Autor: Luther N. Jenkins, Scott M. Bartram, Chung-Sheng Yao

Publikováno v: AIAA Scitech 2019 Forum.

A novel, embedded, 2D Particle Image Velocimetry system has been developed and implemented to obtain off-body velocity measurements in the junction of an 8% wing-body configuration in the NASA Langley Research Center 14- by 22-Foot Subsonic Tunnel. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25bc48b38467fa7ea48e2fd9a3350d63
https://doi.org/10.2514/6.2019-0078

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Contributions of Particle Image Velocimetry to Helicopter Aerodynamics

Autor: Manikandan Ramasamy, Andre Bauknecht, Markus Raffel, James T. Heineck, Gloria K. Yamauchi, Luther N. Jenkins

The advancement of flow measurement techniques continues to extend experimental boundaries and thus significantly contributes to improving our understanding of both basic and applied aerodynamics. This is particularly apparent in the case of particle

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a80e8ca1ce93f2cda2928c5a8d56e054
https://doi.org/10.2514/1.j055571

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Unsteady Flowfield Around Tandem Cylinders as Prototype Component Interaction in Airframe Noise

Autor: Mehdi R. Khorrami, Luther N. Jenkins, Catherine B. McGinley, Meelan M. Choudhari, David P. Lockard

Publikováno v: AIAA Journal. 45:1930-1941

The current effort characterizes the details of flow interactions and wake interference effects between two cylinders in a tandem configuration. This setup is representative of several component-level flow interactions that occur when air flows over

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::54ae7eeccf54057eae302b1ee35a049f
https://doi.org/10.2514/1.23690

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Isolated Synthetic Jet in Crossflow: Experimental Protocols for a Validation Dataset

Autor: Luther N. Jenkins, Norman W. Schaeffler

Publikováno v: AIAA Journal. 44:2846-2856

An overview of the data acquisition, reduction, and uncertainty estimates of experimental measurements made of the flowfield created by the interaction of an isolated synthetic jet and a turbulent boundary layer is presented. The experimental measure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e10e68b0ff19fa30c4a509cbff670f61
https://doi.org/10.2514/1.13743

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Low-speed Aerodynamic Investigations of a Hybrid Wing Body Configuration

Autor: Dan D. Vicroy, Gregory M. Gatlin, Patrick C. Murphy, Melissa B. Carter, Luther N. Jenkins

Publikováno v: 32nd AIAA Applied Aerodynamics Conference.

Two low-speed static wind tunnel tests and a water tunnel static and dynamic forced-motion test have been conducted on a hybrid wing-body (HWB) twinjet configuration. These tests, in addition to computational fluid dynamics (CFD) analysis, have provi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1baa0a3eff88754b5d5e739385872357
https://doi.org/10.2514/6.2014-2563

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Flow-Field Investigation of Gear-Flap Interaction on a Gulfstream Aircraft Model

Autor: Luther N. Jenkins, Jerome Harris, Chung-Sheng Yao, Mehdi R. Khorrami, Scott M. Bartram, W. Derry Mace

Publikováno v: 20th AIAA/CEAS Aeroacoustics Conference.

Off-surface flow measurements of a high-fidelity 18% scale Gulfstream aircraft model in landing configuration with the main landing gear deployed are presented. Particle Image Velocimetry (PIV) and Laser Velocimetry (LV) were used to measure instanta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::406dbcdc05f11e8d3c1a1321b6be3328
https://doi.org/10.2514/6.2014-2479

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Trapezoidal Wing Experimental Repeatability and Velocity Profiles in the 14- by 22- Foot Subsonic Tunnel (invited)

Autor: Anthony E. Washburn, Ralph D. Watson, Judith A. Hannon, Luther N. Jenkins

Publikováno v: 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition.

The AIAA Applied Aerodynamics Technical Committee sponsored a High Lift Prediction Workshop held in June 2010. For this first workshop, data from the Trapezoidal Wing experiments were used for comparison to CFD. This paper presents long-term and shor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1eedbc04bdc0d991c90f2b9400bffd67
https://doi.org/10.2514/6.2012-706

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Measurements of the Flowfield Interaction Between Tandem Cylinders

Autor: Dan H. Neuhart, Meelan M. Choudhari, Luther N. Jenkins, Mehdi R. Khorrami

Publikováno v: 15th AIAA/CEAS Aeroacoustics Conference (30th AIAA Aeroacoustics Conference).

This paper presents the most recent measurements from an ongoing investigation of the unsteady wake interference between a pair of circular cylinders in tandem. The purpose of this investigation is to help build an in-depth experimental database for

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c6367676fe7da025aab84bd2b820d33b
https://doi.org/10.2514/6.2009-3275

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