Experimental Investigation Of Transverse Supersonic Gaseous Injection Enhancement Into Supersonic Flow

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Experimental Investigation of Transverse Supersonic Gaseous Injection Enhancement Into Supersonic Flow

Author : Mark P. Wilson
Publisher :
ISBN 13 : 9781423583189
Total Pages : 159 pages
Book Rating : 4.5/5 (831 download)

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Book Synopsis Experimental Investigation of Transverse Supersonic Gaseous Injection Enhancement Into Supersonic Flow by : Mark P. Wilson

Download or read book Experimental Investigation of Transverse Supersonic Gaseous Injection Enhancement Into Supersonic Flow written by Mark P. Wilson and published by . This book was released on 1996-12-01 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: In pursuit of more efficient and effective fuel-air mixing for a SCRAMJET combustor, this study was conducted to investigate relative near field enhancements of penetration and mixing of a discrete low-angled (25 deg) injected air jet into a supersonic (M=2.9) cross flow. The enhancements were achieved by injecting the transverse air jet parallel to the compression face of eight different ramp geometries. The jet-ramp interactions created collinear shock structures, baroclinic torque vorticity enhancement, ramp spillage enhanced vorticity, magnus effect penetration enhancement, and increased total pressure loss. Shadowgraph photography was used to identify the shock structures and interactions in the flow field. Measurements of mean flow properties were used to establish the jet plume size, jet plume penetration and to quantify the total pressure loss created by the ramps. Rayleigh-Mie scattering images were used for both qualitative flow field assessments and quantitative analysis of the plume trajectory and mixing rate. Results indicate that up to a 20% increase in penetration height and plume expansion can be achieved by injection over a ramp compared to simple transverse injection. This increase in penetration and mixing incurs up to a 15% loss in total pressure. The most critical geometric aspects that affect the flow are the ramp compression face shape and frontal aspect, and the location and strength of ramp generated expansion.

Experimental Investigation of Supersonic Gaseous Injection Into a Supersonic Free Stream

Author : Gregory J. McCann
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Experimental Investigation of Supersonic Gaseous Injection Into a Supersonic Free Stream by : Gregory J. McCann

Download or read book Experimental Investigation of Supersonic Gaseous Injection Into a Supersonic Free Stream written by Gregory J. McCann and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient

Author : Mark A. Stafford
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient by : Mark A. Stafford

Download or read book Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient written by Mark A. Stafford and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental Investigation of Methods to Increase the Liquid Jet Penetration Into Supersonic Flow

Author : S. I. Baranovsky
Publisher :
ISBN 13 :
Total Pages : 68 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis An Experimental Investigation of Methods to Increase the Liquid Jet Penetration Into Supersonic Flow by : S. I. Baranovsky

Download or read book An Experimental Investigation of Methods to Increase the Liquid Jet Penetration Into Supersonic Flow written by S. I. Baranovsky and published by . This book was released on 1978 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main aim of this experimental work was a detailed study of the influence of injection angle on the penetration and break-up of liquid fuel jets in a supersonic air stream. A particular goal was to incorporate that variable into the penetration correlations previously developed at VPI. This was accomplished. A secondary aim of the work was to assess the performance of liquid fuel jet injection from the top of a slender strut that protrudes out into the flow. This is one method that has been suggested for the 'mechanical' enhancement of penetration. The penetration behavior was found to be similar to that associated with injection from a flat plate. A result of particular interest was the discovery of waves with amazingly sharp crests on the windward side of the jets for downstream angled injection.

Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient Using Laser-induced Iodine Fluorescence

Download Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient Using Laser-induced Iodine Fluorescence PDF Online Free

Author : Mark Alan Stafford
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient Using Laser-induced Iodine Fluorescence by : Mark Alan Stafford

Download or read book Experimental Investigation of Slot Injection Into Supersonic Flow with an Adverse Pressure Gradient Using Laser-induced Iodine Fluorescence written by Mark Alan Stafford and published by . This book was released on 1994 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Helium Injection at a Low Downstream Angle Into Supersonic Flow

Author : Richard Bruce Mays
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (226 download)

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Book Synopsis Experimental Investigation of Helium Injection at a Low Downstream Angle Into Supersonic Flow by : Richard Bruce Mays

Download or read book Experimental Investigation of Helium Injection at a Low Downstream Angle Into Supersonic Flow written by Richard Bruce Mays and published by . This book was released on 1990 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Normal, Sonic Injection Through a Wedge-shaped Nozzle Into Supersonic Flow

Author : Matthew James Barber
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (261 download)

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Book Synopsis Experimental Investigation of Normal, Sonic Injection Through a Wedge-shaped Nozzle Into Supersonic Flow by : Matthew James Barber

Download or read book Experimental Investigation of Normal, Sonic Injection Through a Wedge-shaped Nozzle Into Supersonic Flow written by Matthew James Barber and published by . This book was released on 1991 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of a Supersonic Combustion Flowfield Employing Staged Transverse Injection Behind a Rearward-facing Step

Download Experimental Investigation of a Supersonic Combustion Flowfield Employing Staged Transverse Injection Behind a Rearward-facing Step PDF Online Free

Author : John D. Abbitt
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Experimental Investigation of a Supersonic Combustion Flowfield Employing Staged Transverse Injection Behind a Rearward-facing Step by : John D. Abbitt

Download or read book Experimental Investigation of a Supersonic Combustion Flowfield Employing Staged Transverse Injection Behind a Rearward-facing Step written by John D. Abbitt and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Jet in Supersonic Crossflow

Author : Mingbo Sun
Publisher : Springer
ISBN 13 : 9811360251
Total Pages : 284 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Jet in Supersonic Crossflow by : Mingbo Sun

Download or read book Jet in Supersonic Crossflow written by Mingbo Sun and published by Springer. This book was released on 2019-02-18 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based on research into jets in supersonic crossflow carried out by the authors’ team over the past 15 years, this book summarizes and presents many cutting-edge findings and analyses on this subject. It tackles the complicated mixing process of gas jets and atomization process of liquid jets in supersonic crossflow, and studies their physical mechanisms. Advanced experimental and numerical techniques are applied to further readers’ understanding of atomization, mixing, and combustion of fuel jets in supersonic crossflow, which can promote superior fuel injection design in scramjet engines. The book offers a valuable reference guide for all researchers and engineers working on the design of scramjet engines, and will also benefit graduate students majoring in aeronautical and aerospace engineering.

An Experimental Investigation of Transonic and Accelerated Supersonic Flow by the Hydraulic Analogy

Author : E. V. Laitone
Publisher :
ISBN 13 :
Total Pages : 50 pages
Book Rating : 4.:/5 (359 download)

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Book Synopsis An Experimental Investigation of Transonic and Accelerated Supersonic Flow by the Hydraulic Analogy by : E. V. Laitone

Download or read book An Experimental Investigation of Transonic and Accelerated Supersonic Flow by the Hydraulic Analogy written by E. V. Laitone and published by . This book was released on 1950 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt:

An Experimental Study of Slot Injection Into a Supersonic Stream

Author : Michael Kenworthy
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis An Experimental Study of Slot Injection Into a Supersonic Stream by : Michael Kenworthy

Download or read book An Experimental Study of Slot Injection Into a Supersonic Stream written by Michael Kenworthy and published by . This book was released on 1973 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental investigation of two-dimensional tangential-slot injection into a turbulent boundary layer at a freestream Mach number of 2.4 has been conducted. Nearly adiabatic surface temperatures were maintained during all tests. Static and pitot pressure profiles at four stations downstream of the slot were obtained. Skin friction was measured at the last three stations with a self-nulling balance. Schlieren photographs of the flow field were also obtained. Most of the data were obtained with slot Mach numbers of 0.31 and 0.66 corresponding to slot pressure less than and equal to stream static pressure, respectively. For the latter matched-pressure case, tangential slot injection reduced the surface shear at the three measuring stations by about 60 to 20 percent for increasing downstream distances from the slot of 12 to 28 slot heights. However, for the other case where slot pressure was less than stream static pressure, the effect of injection was to increase the shear by about 90 percent at the last downstream station of 28 slot heights. This increase in shear is attributed to the rapid acceleration of the low speed injectant stream by the high speed main stream and the increasing pressure through the recompression zone which is absent for the matched pressure case.

Experimental Investigation of Mixing and Ignition of Transverse Jets in Supersonic Crossflows

Author : Adela Ben-Yakar
Publisher :
ISBN 13 :
Total Pages : 195 pages
Book Rating : 4.:/5 (792 download)

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Book Synopsis Experimental Investigation of Mixing and Ignition of Transverse Jets in Supersonic Crossflows by : Adela Ben-Yakar

Download or read book Experimental Investigation of Mixing and Ignition of Transverse Jets in Supersonic Crossflows written by Adela Ben-Yakar and published by . This book was released on 2000 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scramjet Combustion

Author : Gautam Choubey
Publisher : Butterworth-Heinemann
ISBN 13 : 0323995667
Total Pages : 198 pages
Book Rating : 4.3/5 (239 download)

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Book Synopsis Scramjet Combustion by : Gautam Choubey

Download or read book Scramjet Combustion written by Gautam Choubey and published by Butterworth-Heinemann. This book was released on 2022-07-08 with total page 198 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scramjet Combustion explores the development of a high-speed scramjet engine operating in the supersonic/hypersonic range for various air and space transport applications. The book explains the basic structure, components, working cycle, and the relevant governing equations in a clear manner that speaks to both advanced and more novice audiences. Particular attention is paid to efficient air–fuel combustion, looking at both the underlying fundamentals of combustion as well strategies for obtaining optimum combustion efficiency. Methods for reaching the chemically correct air–fuel ratio, subsequent flame, and combustion stabilization as air enters at supersonic speed are also outlined. Further, it includes the continuous on-going efforts, innovations, and advances with respect to the design modification of scramjet combustors, as well as different strategies of fuel injections for obtaining augmented performance while highlighting the current and future challenges. - Outlines the fundamentals of scramjet engines including their basic structure and components, working cycle, governing equations, and combustion fundamentals affecting the combustion and mixing processes - Presents new design modifications of scramjet combustors and different fuel injection strategies including combined fuel injection approaches - Discusses core topics such as chemical kinetics in supersonic flow, fuel–air mixing methods, strategies for combating combustion difficulties, and subsequent flame and combustion stabilization that can be applied to scramjets - Describes the pedagogy for computational approaches in simulating supersonic flows

29th International Symposium on Shock Waves 2

Author : Riccardo Bonazza
Publisher : Springer
ISBN 13 : 331916838X
Total Pages : 822 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis 29th International Symposium on Shock Waves 2 by : Riccardo Bonazza

Download or read book 29th International Symposium on Shock Waves 2 written by Riccardo Bonazza and published by Springer. This book was released on 2015-07-10 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings present the results of the 29th International Symposium on Shock Waves (ISSW29) which was held in Madison, Wisconsin, U.S.A., from July 14 to July 19, 2013. It was organized by the Wisconsin Shock Tube Laboratory, which is part of the College of Engineering of the University of Wisconsin-Madison. The ISSW29 focused on the following areas: Blast Waves, Chemically Reactive Flows, Detonation and Combustion, Facilities, Flow Visualization, Hypersonic Flow, Ignition, Impact and Compaction, Industrial Applications, Magnetohydrodynamics, Medical and Biological Applications, Nozzle Flow, Numerical Methods, Plasmas, Propulsion, Richtmyer-Meshkov Instability, Shock-Boundary Layer Interaction, Shock Propagation and Reflection, Shock Vortex Interaction, Shock Waves in Condensed Matter, Shock Waves in Multiphase Flow, as well as Shock Waves in Rarefield Flow. The two Volumes contain the papers presented at the symposium and serve as a reference for the participants of the ISSW 29 and individuals interested in these fields.

An Experimental Investigation of Supersonic Flow in Long Channels

Author : Malcom Green
Publisher :
ISBN 13 :
Total Pages : 78 pages
Book Rating : 4.:/5 (34 download)

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Book Synopsis An Experimental Investigation of Supersonic Flow in Long Channels by : Malcom Green

Download or read book An Experimental Investigation of Supersonic Flow in Long Channels written by Malcom Green and published by . This book was released on 1951 with total page 78 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Supersonic Flow in the Neighborhood of a Forward-facing Step

Author : Edward Malcolm Harvey Newton
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (228 download)

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Book Synopsis Experimental Investigation of Supersonic Flow in the Neighborhood of a Forward-facing Step by : Edward Malcolm Harvey Newton

Download or read book Experimental Investigation of Supersonic Flow in the Neighborhood of a Forward-facing Step written by Edward Malcolm Harvey Newton and published by . This book was released on 1964 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Investigation of Supersonic Cavity Flows and Their Control

Author : Ning Zhuang
Publisher :
ISBN 13 :
Total Pages : 176 pages
Book Rating : 4.:/5 (717 download)

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Book Synopsis Experimental Investigation of Supersonic Cavity Flows and Their Control by : Ning Zhuang

Download or read book Experimental Investigation of Supersonic Cavity Flows and Their Control written by Ning Zhuang and published by . This book was released on 2007 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of supersonic cavity flows is of interest both from fundamental fluid dynamics and practical perspectives. The complex nature of this flowfield, consisting of compressible shear layers, compression/expansion waves, and fluid-acoustic interactions, makes it a rich problem to study. A detailed experimental study of supersonic flow (M=1.5 to 2) over a range of three-dimensional rectangular cavities (L/D=1 to 5.2) was conducted. The measurements included unsteady surface pressure measurements, particle image velocimetry, and flow visualization using shadowgraph and schlieren. Large-scale structures in the shear layer and a large recirculation zone in the cavity was observed. Spatial and temporal mode switching was also observed, the nature being different for short and long cavities. The shear layer characteristics of the two cavities are very different in term of curvature and growth. Supersonic microjets were used at the leading edge of the cavities to suppress the resonance in the flow. With a minimal mass flux (0.15%), the activation of microjets led to a large reduction in cavity tones (20 dB) and overall sound pressure levels (9dB). In addition, the microjet injection enhanced the shear layer mixing and reduced the velocity fluctuation in the cavities. The significant reductions together with the low mass flux requirements make this a potentially viable technique for full-scale, practical applications.