Výsledky vyhledávání - "Joseph Wehrmeyer"

Mach 4 Flow Velocimetry with 100-kHz PLEET and PIV in AEDC/AFRL Tunnel D

Autor: Paul S. Hsu, Naibo Jiang, Daniel K. Lauriola, Jason Leicht, Sukesh Roy, Christopher Clifford, Joseph W. Braker, Dave Plmmons, Joseph Wehrmeyer

Publikováno v: AIAA SCITECH 2022 Forum.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2709d982764feecc1a6a47ad3aa34ae9
https://doi.org/10.2514/6.2022-0425

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Hydroxyl Tagging Velocimetry in a Mach 2 Flow with a Wall Cavity

Autor: Robert Pitz, Michael Lahr, Zachary Douglas, Joseph Wehrmeyer, Shengteng Hu, Campbell Carter, K.-Y. Hsu, C. Lum, M. Koochesfahani

Publikováno v: 43rd AIAA Aerospace Sciences Meeting and Exhibit.

Hydroxyl tagging velocimetry (HTV) measurements of velocity were made in a Mach 2 flow with a wall cavity. In the HTV method, ArF excimer laser (193 nm) beams pass through a humid gas and dissociate H2O into H + OH to form a tagging grid of OH molecu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f03f4387775eb8c707e14e58e35b7d4b
https://doi.org/10.2514/6.2005-36

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UV Raman diagnostics for rocket engine injector development

Autor: Joseph Wehrmeyer, John Cramer, Richard Eskridge, Chris Dobson

Publikováno v: 33rd Joint Propulsion Conference and Exhibit.

The development of a laser-based combustion diagnostics system and its application to the analysis of a high pressure rocket engine injector flowfield are described. One-dimensionally spatially resolved (linewise), multispecies, single-pulse images a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ff4f9e53da83e2a51f8f9dc42d016cf
https://doi.org/10.2514/6.1997-2843

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Development of a technique for separating Raman scattering signals from background emission with single-shot measurement potential

Autor: Roy Hartfield, Jr., Chris Dobson, Richard Eskridge, Joseph Wehrmeyer

Publikováno v: 33rd Joint Propulsion Conference and Exhibit.

Raman scattering is a powerful technique for quantitatively probing high temperature and high speed flows. However, this technique has typically been limited to clean hydrogen flames because of the broadband fluorescence interference which occurs in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f508c1b45e2679ed9c1c0c571232b6b6
https://doi.org/10.2514/6.1997-3357

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