Journal ArticleDOI
Flow and performance analysis of a natural gas-air rotating detonation engine with high-speed velocimetry
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TLDR
In this article, high-speed measurements of combustion chamber pressure, axially-integrated chamber chemiluminescence, and particle image velocimetry at the combustor exit plane were used to qualitatively and quantitatively analyze the exhaust flow of two test conditions with distinct wave dynamics.About:
This article is published in Combustion and Flame.The article was published on 2021-10-01. It has received 21 citations till now. The article focuses on the topics: Detonation & Oblique shock.read more
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Journal ArticleDOI
Air-breathing rotating detonation fueled by liquid kerosene in cavity-based annular combustor
Hao Meng,Qiang Xiao,Wenkang Feng,Mingliang Wu,Xin-li Han,Fang Wang,Chunsheng Weng,Quan Zheng +7 more
TL;DR: In this paper , the authors demonstrate the practicality of air-breathing/ramjet rotating detonation engines fueled by liquid kerosene and air, and demonstrate the high potential of their application to air breathing propulsion.
Journal ArticleDOI
High-bandwidth absorption-spectroscopy measurements of temperature, pressure, CO, and H $$_2$$ 2 O in the annulus of a rotating detonation rocket engine
Garrett C. Mathews,Matthew G. Blaisdell,Aaron I. Lemcherfi,Carson D. Slabaugh,Christopher S. Goldenstein +4 more
TL;DR: In this paper, two laser-absorption-spectroscopy diagnostics capable of performing high-bandwidth measurements of (1) temperature, pressure, and CO, and (2) temperature and CO partial pressure in the annular combustion chamber of a rotating detonation rocket engine (RDRE) are presented.
Journal ArticleDOI
Simultaneous 100-kHz acetone planar laser-induced fluorescence and OH* chemiluminescence in a linear non-premixed detonation channel
Zach Ayers,Aaron I. Lemcherfi,Ethan W. Plaehn,Rohan Gejji,Hugh D. Perkins,Sukesh Roy,Carson D. Slabaugh,Terrence R. Meyer,Christopher A. Fugger +8 more
TL;DR: In this article , an optically accessible, self-excited linear detonation combustor is investigated using planar laser-induced fluorescence (PLIF) imaging of acetone as a tracer in the fuel supply, while 100 kHz chemiluminescence imaging of excited-state hydroxyl radicals simultaneously resolves the evolution of the detonation wave.
Journal ArticleDOI
Nonidealities in Rotating Detonation Engines
TL;DR: In this article , the authors discuss the current understanding of such nonidealities and describe the tools and techniques used to gain insight into the extreme unsteady environment in such combustors.
Journal ArticleDOI
Kiel Probes for Stagnation Pressure Measurement in Rotating Detonation Combustors
Eric-Magnus Bach,Bhavraj S. Thethy,Daniel Edgington-Mitchell,Mohammad Rezay Haghdoost,Christian Oliver Paschereit,Panagiotis Stathopoulos,Myles D. Bohon +6 more
TL;DR: In this paper , the authors investigated the response of a Kiel probe in highly unsteady flow, similar to what would be encountered in an RDC, to an underexpanded starting jet behind an incident shock with Mach numbers of 1.6-2.7, emanating from a tube with a reservoir ratio of about 394.
References
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Computer Program for Calculation of Complex Chemical Equilibrium Compositions and Applications II. Users Manual and Program Description. 2; Users Manual and Program Description
Bonnie J. McBride,Sanford Gordon +1 more
Journal ArticleDOI
Tracer particles and seeding for particle image velocimetry
TL;DR: The size specifications for suitable tracer particles for particle image velocimetry (PIV), particularly with respect to their flow tracking capability, are discussed and quantified for several examples.
BookDOI
The Illustrated Wavelet Transform Handbook
TL;DR: The Illustrated Wavelet Transform Handbook: Introductory Theory and Applications in Science, Engineering, Medicine and Finance as discussed by the authors is a comprehensive overview of wavelet transform applications in science, engineering, medicine and finance.