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Title: X-ray Spray Diagnostics: Comparing Sources and Techniques

Abstract

Unveiling the internal structure of sprays for propulsion applications is difficult under conditions with high optical extinction. While a number of laser-based techniques have been utilized at intermediate to high optical densities of 2 to 4 (Log10 scale), it is difficult to extract quantitative information under these conditions. The ability of X-rays to penetrate even the most optically dense sprays has enabled quantitative investigation of liquid volume fractions for a variety of applications. Much of the development in this area has taken place utilizing the Advanced Photon Source at Argonne National Laboratory. This paper makes a comparison between two sources: including the bright, coherent, monochromatic, pulsed beam at the Advanced Photon Source and an incoherent, polychromatic, sealed-tube source at the X-ray Flow Visualization Facility at Iowa State University. Studies of dense sprays and static fluid samples were conducted at both facilities to compare performance characteristics of each source for a variety of operating conditions. Data for solid-cone and impinging-jet sprays are presented, and challenges with utilizing polychromatic, incoherent sources are discussed.

Authors:
; ; ;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1044401
Resource Type:
Conference
Resource Relation:
Conference: 50 th AIAA Aerospace Sciences Meeting;Jan. 6-9, 2012;Nashville, TN
Country of Publication:
United States
Language:
ENGLISH
Subject:
43 PARTICLE ACCELERATORS; ADVANCED PHOTON SOURCE; ANL; FLOW VISUALIZATION; IOWA; PERFORMANCE; PROPULSION

Citation Formats

Halls, B.R., Heindel, T.J., Meyer, T.R., and Kastengren, A.L. X-ray Spray Diagnostics: Comparing Sources and Techniques. United States: N. p., 2012. Web.
Halls, B.R., Heindel, T.J., Meyer, T.R., & Kastengren, A.L. X-ray Spray Diagnostics: Comparing Sources and Techniques. United States.
Halls, B.R., Heindel, T.J., Meyer, T.R., and Kastengren, A.L. Thu . "X-ray Spray Diagnostics: Comparing Sources and Techniques". United States.
@article{osti_1044401,
title = {X-ray Spray Diagnostics: Comparing Sources and Techniques},
author = {Halls, B.R. and Heindel, T.J. and Meyer, T.R. and Kastengren, A.L.},
abstractNote = {Unveiling the internal structure of sprays for propulsion applications is difficult under conditions with high optical extinction. While a number of laser-based techniques have been utilized at intermediate to high optical densities of 2 to 4 (Log10 scale), it is difficult to extract quantitative information under these conditions. The ability of X-rays to penetrate even the most optically dense sprays has enabled quantitative investigation of liquid volume fractions for a variety of applications. Much of the development in this area has taken place utilizing the Advanced Photon Source at Argonne National Laboratory. This paper makes a comparison between two sources: including the bright, coherent, monochromatic, pulsed beam at the Advanced Photon Source and an incoherent, polychromatic, sealed-tube source at the X-ray Flow Visualization Facility at Iowa State University. Studies of dense sprays and static fluid samples were conducted at both facilities to compare performance characteristics of each source for a variety of operating conditions. Data for solid-cone and impinging-jet sprays are presented, and challenges with utilizing polychromatic, incoherent sources are discussed.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2012},
month = {6}
}

Conference:
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