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Author : Erina Murakami
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Mixing Layer Characteristics of Co-axial Supersonic Jets written by Erina Murakami and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Milo D. Dahl
Publisher :
ISBN 13 :
Total Pages : 186 pages
Book Rating : 4.:/5 (317 download)
Download or read book The Aeroacoustics of Supersonic Coaxial Jets written by Milo D. Dahl and published by . This book was released on 1994 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Manigandan
Publisher : Mohammed Abdul Sattar
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.2/5 (249 download)
Download or read book Evaluation of Mixing Characteristics of Supersonic Jet written by S. Manigandan and published by Mohammed Abdul Sattar. This book was released on 2024-01-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A free jet defined as a rapid stream driven by pressure issuing from the nozzle exit which exhibits excellent characteristics of flow field along the width to axial distance (X/D). Where X is the axial distance and D is the diameter of the nozzle exit. The extensive understanding of flow and mixing characteristics of supersonic jet has been gaining the importance in recent years owing to its vast application in many areas like rockets, aircraft engines, and nozzle for different application etc. Over few decades the fundamentals understanding of jets and the factors affecting jet spread had been studied extensively using techniques like analytical, experimental and numerical. The effectiveness and efficiency of the jet is determined using parameters like jet spread rate, potential core length and jet decay In addition to the above shear layer also defines the efficiency of free jet. Free jet is pressure driven rapid stream which issuing either from nozzle or orifice into a quiescent ambience without any obstruction, it can also be defined using the shear layer. Shear layer is the boundary layer where the interaction between the jet and atmosphere takes place due to the exchange of momentum. The magnitude of the shear layer not only depends on the shape of exit but also the mach number of the jet]. The value of the shear layer increases with respect to the jet Mach number. Hence understanding the physics of shear layer during the evolution of jet is important. On the other hand, the characteristics of jet are also influenced by the shape of nozzle, exit profile, thickness, velocity profile and orientation of jet. Due to the velocity difference between the entraining flow and ambient boundary layer is formed at jet periphery. This boundary layer is called as shear layer. Usually shear layer is a highly unstable due to the jet spread in downstream direction. Which lead to formation of vortices. Secondly, these vortices enhance the mixing characteristics of free jet. The jet is classified into free jet, confined jet, isothermal and non-isothermal jet. A free jet is a rapid stream which discharges into ambient fluid. If the jet is influenced with reverse flow then it is called confined jet. If the jet is attached to the surface called attached jet. Based on the effect of temperature the jet is categorized as isothermal and non-isothermal.
Author : Nicolas Gascoin
Publisher : Springer Nature
ISBN 13 : 9811566194
Total Pages : 571 pages
Book Rating : 4.8/5 (115 download)
Download or read book Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering written by Nicolas Gascoin and published by Springer Nature. This book was released on 2020-09-26 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the best articles presented by researchers and industrial experts at the International Conference on “Innovative Design, Analysis and Development Practices in Aerospace and Automotive Engineering (I-DAD 2020)”. The papers discuss new design concepts, and analysis and manufacturing technologies, with a focus on achieving improved performance by downsizing; improving the strength-to-weight ratio, fuel efficiency and operational capability at room and elevated temperatures; reducing wear and tear; addressing NVH aspects, while balancing the challenges of Euro VI/Bharat Stage VI emission norms, greenhouse effects and recyclable materials. Presenting innovative methods, this book is a valuable reference resource for professionals at educational and research organizations, as well as in industry, encouraging them to pursue challenging projects of mutual interest.
Author : S. Narendranth
Publisher : Springer Nature
ISBN 13 : 9811913889
Total Pages : 212 pages
Book Rating : 4.8/5 (119 download)
Download or read book Recent Advances in Mechanical Engineering written by S. Narendranth and published by Springer Nature. This book was released on 2022-05-24 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents the select proceedings of the Third International Conference on Emerging Research in Civil, Aeronautical and Mechanical Engineering (ERCAM 2021) and focuses on the broad themes of mechanical and aeronautical engineering. The book covers research developments in the field of materials, mechanics, structures, systems and sustainability. Various topics covered in this book include smart and multifunctional composite materials, nano materials, computational mechanics, solid mechanics, kinematics and dynamics, fatigue, fracture and life cycle analysis, smart structures-vibration and noise control, vibration, acoustics and condition monitoring, thermal/fluid systems and analysis. The book will be useful for students, researchers and professionals working in the various areas of mechanical engineering.
Author : V. F. Kopiev
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Effect of the Mixing Layer Structure of a Supersonic Jet on Its Resonance Features written by V. F. Kopiev and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (317 download)
Download or read book Supersonic Coaxial Jets: Noise Predictions and Measurements written by and published by . This book was released on 1998 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Anatole P. Kurkov
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (31 download)
Download or read book Mixing of Supersonic Jets Including the Effects of Transvere Pressure Gradient Using Difference Methods written by Anatole P. Kurkov and published by . This book was released on 1971 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The usual boundary-layer equations describing the steady-state mixing of parallel jets are supplemented by the momentum equation in the direction normal to the flow. This allows detailed computation of the flow field in the mixing region and simultaneous computation of the outer inviscid flow. An explicit and an implicit finite difference scheme have been developed and applied in several illustrative examples. The examples include mixing of planar and axisymmetric supersonic jets of different composition with both matched and unmatched static pressures. Numerical results were compared with available experimental data obtained for the unmatched pressure case.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723430411
Total Pages : 184 pages
Book Rating : 4.4/5 (34 download)
Download or read book The Aeroacoustics of Supersonic Coaxial Jets written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Instability waves have been established as the dominant source of mixing noise radiating into the downstream arc of a supersonic jet when the waves have phase velocities that are supersonic relative to ambient conditions. Recent theories for supersonic jet noise have used the concepts of growing and decaying linear instability waves for predicting radiated noise. This analysis is extended to the prediction of noise radiation from supersonic coaxial jets. Since the analysis requires a known mean flow and the coaxial jet mean flow is not described easily in terms of analytic functions, a numerical prediction is made for its development. The Reynolds averaged, compressible, boundary layer equations are solved using a mixing length turbulence model. Empirical correlations are developed for the effects of velocity and temperature ratios and Mach number. Both normal and inverted velocity profile coaxial jets are considered. Comparisons with measurements for both single and coaxial jets show good agreement. The results from mean flow and stability calculations are used to predict the noise radiation from coaxial jets with different operating conditions. Comparisons are made between different coaxial jets and a single equivalent jet with the same total thrust, mass flow, and exit area. Results indicate that normal velocity profile jets can have noise reductions compared to the single equivalent jet. No noise reductions are found for inverted velocity profile jets operated at the minimum noise condition compared to the single equivalent jet. However, it is inferred that changes in area ratio may provide noise reduction benefits for inverted velocity profile jets. Dahl, Milo D. Glenn Research Center AEROACOUSTICS; COAXIAL FLOW; GAS JETS; JET AIRCRAFT NOISE; NOISE PREDICTION (AIRCRAFT); NOISE REDUCTION; SUPERSONIC JET FLOW; COMPUTATIONAL FLUID DYNAMICS; FLOW STABILITY; MACH NUMBER; MIXING LENGTH FLOW THEORY; TEMPERATURE RATIO; VELOCITY DISTRIBUTION...
Author :
Publisher :
ISBN 13 :
Total Pages : 828 pages
Book Rating : 4.E/5 ( download)
Download or read book Technical Abstract Bulletin written by and published by . This book was released on with total page 828 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Philip Thomas Harsha
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.3/5 (91 download)
Download or read book Free Turbulent Mixing written by Philip Thomas Harsha and published by . This book was released on 1971 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. K. Lorber
Publisher :
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.:/5 (317 download)
Download or read book Effect of Interjet Spacing on Mixing of Multiple Coaxial Jets in Supersonic Flow written by A. K. Lorber and published by . This book was released on 1974 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Superintendent of Documents
Publisher :
ISBN 13 :
Total Pages : 1504 pages
Book Rating : 4.F/5 ( download)
Download or read book Monthly Catalog of United States Government Publications, Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1504 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)
Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Franz Durst
Publisher : Springer Science & Business Media
ISBN 13 : 3642788238
Total Pages : 465 pages
Book Rating : 4.6/5 (427 download)
Download or read book Turbulent Shear Flows 9 written by Franz Durst and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: The inaugural Symposium on Turbulent Shear Flows was held at The Pennsylvania State University in 1977. Thereafter the locations for the biennial symposium have alternated between the USA and Europe. However, the ninth Symposium on Turbu lent Shear Flows was awarded to Japan in recognition of the strong support researchers of the Pacific Rim countries have given previous symposia. The University of Kyoto was the host institution and the meeting was held in the Inter national Conference Hall. The Local Arrangements Committee did a superb job scheduling traditional Japanese dinners and arranging visits to the many cultural treasures in the Kyoto region. The meeting attracted more than 260 offers of papers. Thirty-three sessions were scheduled to accommodate the 138 papers accepted for oral presentation. In addition a poster session was scheduled on each of the three days to accommodate a total of 42 poster presentations. From the presentations at the symposium 24 have been selected for inclusion in this volume. The authors of these papers have revised them taking into consideration comments made during their oral presentation and recommendations made by the Editors. Four subject areas are identified, namely closures and fundamentals, free flows, wall flows, and combustion and recirculating flows. Eminent authorities have prepared introductory articles fot each topic to put the individual contributions in context with each other and with related research.
Author : E. Gutmark
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (977 download)
Download or read book Mixing enhancement in coaxial supersonic jets written by E. Gutmark and published by . This book was released on 1989 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:
