Acoustically Excited Heated Jets

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ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Acoustically Excited Heated Jets by :

Download or read book Acoustically Excited Heated Jets written by and published by . This book was released on 1988 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustically Excited Heated Jets. 3: Mean Flow Data

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Publisher :
ISBN 13 :
Total Pages : 178 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Acoustically Excited Heated Jets. 3: Mean Flow Data by :

Download or read book Acoustically Excited Heated Jets. 3: Mean Flow Data written by and published by . This book was released on 1988 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustically Excited Heated Jets. 2: In Search of a Better Understanding

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ISBN 13 :
Total Pages : 126 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Acoustically Excited Heated Jets. 2: In Search of a Better Understanding by :

Download or read book Acoustically Excited Heated Jets. 2: In Search of a Better Understanding written by and published by . This book was released on 1988 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustically Excited Heated Jets

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Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Acoustically Excited Heated Jets by :

Download or read book Acoustically Excited Heated Jets written by and published by . This book was released on 1988 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustically Excited Heated Jets. 1: Internal Excitation

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Publisher :
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Acoustically Excited Heated Jets. 1: Internal Excitation by :

Download or read book Acoustically Excited Heated Jets. 1: Internal Excitation written by and published by . This book was released on 1988 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of relatively strong upstream acoustic excitation on the mixing of heated jets with the surrounding air are investigated. To determine the extent of the available information on experiments and theories dealing with acoustically excited heated jets, an extensive literature survey was carried out. The experimental program consisted of flow visualization and flowfield velocity and temperature measurements for a broad range of jet operating and flow excitation conditions. A 50.8-mm-diam nozzle was used for this purpose. Parallel to the experimental study, an existing theoretical model of excited jets was refined to include the region downstream of the jet potential core. Excellent agreement was found between theory and experiment in moderately heated jets. However, the theory has not yet been confirmed for highly heated jets. It was found that the sensitivity of heated jets to upstream acoustic excitation varies strongly with the jet operating conditions and that the threshold excitation level increases with increasing jet temperature. Furthermore, the preferential Strouhal number is found not to change significantly with a change of the jet operating conditions. Finally, the effects of the nozzle exit boundary layer thickness appear to be similar for both heated and unheated jets at low Mach numbers.

Scientific and Technical Aerospace Reports

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Publisher :
ISBN 13 :
Total Pages : 984 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1989 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Use of Services for Family Planning and Infertility, United States

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Publisher : Department of Health and Human Services Public Health Service National Center for Health Statistics
ISBN 13 : 9780840602220
Total Pages : 982 pages
Book Rating : 4.6/5 (22 download)

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Book Synopsis Use of Services for Family Planning and Infertility, United States by : Gerry E. Hendershot

Download or read book Use of Services for Family Planning and Infertility, United States written by Gerry E. Hendershot and published by Department of Health and Human Services Public Health Service National Center for Health Statistics. This book was released on 1988 with total page 982 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scramjets

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Publisher : Butterworth-Heinemann
ISBN 13 : 0128211407
Total Pages : 230 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Scramjets by : Mostafa Barzegar Gerdroodbary

Download or read book Scramjets written by Mostafa Barzegar Gerdroodbary and published by Butterworth-Heinemann. This book was released on 2020-07-21 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scramjet engines are a type of jet engine and rely on the combustion of fuel and an oxidizer to produce thrust. While scramjets are conceptually simple, actual implementation is limited by extreme technical challenges. Hypersonic flight within the atmosphere generates immense drag, and temperatures found on the aircraft and within the engine can be much greater than that of the surrounding air. Maintaining combustion in the supersonic flow presents additional challenges, as the fuel must be injected, mixed, ignited, and burned within milliseconds. Fuel mixing, along with the configuration and positioning of the injectors and the boundary conditions, play a key role in combustion efficiency. Scramjets: Fuel Mixing and Injection Systems discusses how fuel mixing efficiency and the advantage of injection systems can enhance the performance of the scramjets. The book begins with the introduction of the supersonic combustion chamber and explains the main parameters on the mixing rate. The configuration of scramjets is then introduced with special emphasis on the main effective parameters on the mixing of fuel inside the scramjets. In addition, basic concepts and principles on the mixing rate and fuel distribution within scramjets are presented. Main effective parameters such as range of fuel concentration for the efficient combustion, pressure of fuel jet and various arrangement of jet injections are also explained. This book is for aeronautical and mechanical engineers as well as those working in supersonic combustion who need to know the effects of compressibility on combustion, of shocks on mixing and on chemical reactions, and vorticity on the flame anchoring. Explains the main applicable approaches for enhancement of supersonic combustion engines and the new techniques of fuel injection Shows how the interaction of main air stream with fuel injections can develop the mixing inside the scramjets Presents results of numerical simulations and how they can be used for the development of the combustion engines

Acoustic Control of Turbulent Jets

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Publisher : Springer Science & Business Media
ISBN 13 : 3540399143
Total Pages : 243 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Acoustic Control of Turbulent Jets by : A.S. Ginevsky

Download or read book Acoustic Control of Turbulent Jets written by A.S. Ginevsky and published by Springer Science & Business Media. This book was released on 2012-11-02 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: Results of experimental research on aerodynamic and acoustic control of subsonic turbulent jets by acoustic excitation are presented. It was demonstrated that these control methods, originated by authors, not only can intensify mixing (by acoustic irradiation at low frequency), but also notably ease it (at high-frequency irradiation). This research monograph presents the updated results of the authors supplemented by other investigations conducted in USA, Germany and Great Britain. The methods for the numerical simulation of subsonic turbulent jets under acoustic excitation are described in detail, and examples are reviewed of practical applications, including reduction of turbojet engine noise and acoustic control of self-sustained oscillations in wind tunnels.

Investigation of Synthetic Jets Heat Transfer and Flow Field

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Publisher : Youcanprint
ISBN 13 : 8891187844
Total Pages : 187 pages
Book Rating : 4.8/5 (911 download)

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Book Synopsis Investigation of Synthetic Jets Heat Transfer and Flow Field by : Carlo Salvatore Greco

Download or read book Investigation of Synthetic Jets Heat Transfer and Flow Field written by Carlo Salvatore Greco and published by Youcanprint. This book was released on 2015-04-30 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthetic jets are devices able to “synthetize” a jet from the ambient in which they are embedded through a simple membrane oscillation inside a cavity with an orifice. Such features make them high reliable, silent and easy to be miniaturized. For these reasons, they are widely investigated as electronic cooling devices. The present research is focused on the design and analysis of a different type of synthetic jet device compared to its single classical configuration. Such a device his experimentally characterized through the study of its free and impinging flow field and the evaluation of its heat transfer performance.

Pressure and Temperature Sensitive Paints

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Publisher : Springer Science & Business Media
ISBN 13 : 3540266445
Total Pages : 331 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Pressure and Temperature Sensitive Paints by : Tianshu Liu

Download or read book Pressure and Temperature Sensitive Paints written by Tianshu Liu and published by Springer Science & Business Media. This book was released on 2006-01-06 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: Luminescent molecule sensors, called pressure-sensitive paint (PSP) and temperature-sensitive paint (TSP), measure factors essential for understanding the aerodynamic performance and heat transfer characteristics of flight vehicles. They provide a powerful tool for experimental aerodynamicists to obtain a deeper understanding of the rich physical phenomena in complex flows around a flight vehicle. This book helps the reader to understand the physics and chemistry and the capabilities of PSP and TSP. It provides an overview of the wide scope of applications and explains the system requirements for using these sensors. The book also includes an extensive table of properties of PTP and TSP. As such, it is a thorough and up-to-date coverage of the underlying physics and applications of luminescent molecules designed for global pressure and temperature mapping

Encyclopedia Of Thermal Packaging, Set 2: Thermal Packaging Tools (A 4-volume Set)

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Publisher : World Scientific
ISBN 13 : 9814520241
Total Pages : 1396 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Encyclopedia Of Thermal Packaging, Set 2: Thermal Packaging Tools (A 4-volume Set) by :

Download or read book Encyclopedia Of Thermal Packaging, Set 2: Thermal Packaging Tools (A 4-volume Set) written by and published by World Scientific. This book was released on 2014-10-23 with total page 1396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Please click here for information on Set 1: Thermal Packaging Techniques Thermal and mechanical packaging -- the enabling technologies for the physical implementation of electronic systems -- are responsible for much of the progress in miniaturization, reliability, and functional density achieved by electronic, microelectronic, and nanoelectronic products during the past 50 years. The inherent inefficiency of electronic devices and their sensitivity to heat have placed thermal packaging on the critical path of nearly every product development effort in traditional, as well as emerging, electronic product categories. Successful thermal packaging is the key differentiator in electronic products, as diverse as supercomputers and cell phones, and continues to be of pivotal importance in the refinement of traditional products and in the development of products for new applications. The Encyclopedia of Thermal Packaging, compiled in four multi-volume sets (Set 1: Thermal Packaging Techniques, Set 2: Thermal Packaging Tools, Set 3: Thermal Packaging Applications, and Set 4: Thermal Packaging Configurations) will provide a comprehensive, one-stop treatment of the techniques, tools, applications, and configurations of electronic thermal packaging. Each of the author-written sets presents the accumulated wisdom and shared perspectives of a few luminaries in the thermal management of electronics. Set 2: Thermal Packaging Tools The second set in the encyclopedia, Thermal Packaging Tools, includes volumes dedicated to thermal design of data centers, techniques and models for the design and optimization of heat sinks, the development and use of reduced-order “compact” thermal models of electronic components, a database of critical material thermal properties, and a comprehensive exploration of thermally-informed electronic design. The numerical and analytical techniques described in these volumes are among the primary tools used by thermal packaging practitioners and researchers to accelerate product and system development and achieve “correct by design” thermal packaging solutions. The four sets in the Encyclopedia of Thermal Packaging will provide the novice and student with a complete reference for a quick ascent on the thermal packaging "learning curve," the practitioner with a validated set of techniques and tools to face every challenge, and researchers with a clear definition of the state-of-the-art and emerging needs to guide their future efforts. This encyclopedia will, thus, be of great interest to packaging engineers, electronic product development engineers, and product managers, as well as to researchers in thermal management of electronic and photonic components and systems, and most beneficial to undergraduate and graduate students studying mechanical, electrical, and electronic engineering. Foreword Foreword (English) (42 KB) Foreword (Japanese) (342 KB) Please click here for information on Set 1: Thermal Packaging Techniques Thermal and mechanical packaging -- the enabling technologies for the physical implementation of electronic systems -- are responsible for much of the progress in miniaturization, reliability, and functional density achieved by electronic, microelectronic, and nanoelectronic products during the past 50 years. The inherent inefficiency of electronic devices and their sensitivity to heat have placed thermal packaging on the critical path of nearly e

Cooling of Microelectronic and Nanoelectronic Equipment

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Publisher : World Scientific
ISBN 13 : 9814579807
Total Pages : 472 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Cooling of Microelectronic and Nanoelectronic Equipment by : Madhusudan Iyengar

Download or read book Cooling of Microelectronic and Nanoelectronic Equipment written by Madhusudan Iyengar and published by World Scientific. This book was released on 2014-08-25 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: To celebrate Professor Avi Bar-Cohen's 65th birthday, this unique volume is a collection of recent advances and emerging research from various luminaries and experts in the field. Cutting-edge technologies and research related to thermal management and thermal packaging of micro- and nanoelectronics are covered, including enhanced heat transfer, heat sinks, liquid cooling, phase change materials, synthetic jets, computational heat transfer, electronics reliability, 3D packaging, thermoelectrics, data centers, and solid state lighting. This book can be used by researchers and practitioners of thermal engineering to gain insight into next generation thermal packaging solutions. It is an excellent reference text for graduate-level courses in heat transfer and electronics packaging. Contents:A Review of Cooling Road Maps for 3D Chip Packages (Dereje Agonafer)Thermal Performance Mapping of Direct Liquid Cooled 3D Chip Stacks (Karl J L Geisler and Avram Bar-Cohen)Dynamic Thermal Management Considering Accurate Temperature-Leakage Interdependency (Bing Shi and Ankur Srivastava)Energy Reduction and Performance Maximization Through Improved Cooling (David Copeland)Optimal Choice of Heat Sinks from an Industrial Point of View (Clemens J M Lasance)Synthetic Jets for Heat Transfer Augmentation in Microelectronics Systems (Mehmet Arik and Enes Tamdogan)Recent Advance in Thermoelectric Devices for Electronics Cooling (Peng Wang)Energy Efficient Solid-State Cooling for Hot Spot Removal (Kazuaki Yazawa, Andrei Fedorov, Yogendra Joshi and Ali Shakouri)An Overview of the Use of Phase Change Materials for the Thermal Management of Transient Portable Electronics: Benefits and Challenges (Amy S Fleischer)Estimation of Cooling Performance of Phase Change Material (PCM) Module (Masaru Ishizuka and Tomoyuki Hatakeyama)Optimization Under Uncertainty for Electronics Cooling Design (Karthik K Bodla, Jayathi Y Murthy and Suresh V Garimella)Hydrophilic CNT-Sintered Copper Composite Wick for Enhanced Cooling (Glen A Powell, Anuradha Bulusu, Justin A Weibel, Sungwon S Kim, Suresh V Garimella and Timothy S Fisher)A Cabinet Level Thermal Test Vehicle to Evaluate Hybrid Double-Sided Cooling Schemes (Qihong Nie and Yogendra Joshi)Energy Efficiency and Reliability Risk Mitigation of Data Centers Through Prognostics and Health Management (Jun Dai, Michael Ohadi and Michael Pecht)Damage Pre-Cursors Based Assessment of Accrued Thermomechanical Damage and Remaining Useful Life in Field Deployed Electronics (Pradeep Lall, Mahendra Harsha, Kai Goebel and Jim Jones)Towards Embedded Cooling — Gen 3 Thermal Packaging Technology (Avram Bar-Cohen) Readership: Researchers, practitioners, and postgraduates in mechanical engineering, nanoelectronics, computer engineering, and electrical & electronic engineering. Keywords:Electronics Cooling;Electronics Packaging;Thermal Management;Thermal Sciences;Electronics Reliability;Thermoelectrics;Computational Heat Transfer;Liquid Cooling

Winter Annual Meeting

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Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Winter Annual Meeting by : American Society of Mechanical Engineers

Download or read book Winter Annual Meeting written by American Society of Mechanical Engineers and published by . This book was released on with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Shear Flow Control of Cold and Heated Rectangular Jets by Mechanical Tabs. Volume 1: Results and Discussion

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Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Shear Flow Control of Cold and Heated Rectangular Jets by Mechanical Tabs. Volume 1: Results and Discussion by :

Download or read book Shear Flow Control of Cold and Heated Rectangular Jets by Mechanical Tabs. Volume 1: Results and Discussion written by and published by . This book was released on 1989 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 504 pages
Book Rating : 4.:/5 (3 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1988-10 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Numerical Simulation of Turbulent Flows and Noise Generation

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Publisher : Springer Science & Business Media
ISBN 13 : 3540899561
Total Pages : 344 pages
Book Rating : 4.5/5 (48 download)

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Book Synopsis Numerical Simulation of Turbulent Flows and Noise Generation by : Christophe Brun

Download or read book Numerical Simulation of Turbulent Flows and Noise Generation written by Christophe Brun and published by Springer Science & Business Media. This book was released on 2009-03-07 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Large Eddy Simulation (LES) is a high-fidelity approach to the numerical simulation of turbulent flows. Recent developments have shown LES to be able to predict aerodynamic noise generation and propagation as well as the turbulent flow, by means of either a hybrid or a direct approach. This book is based on the results of two French/German research groups working on LES simulations in complex geometries and noise generation in turbulent flows. The results provide insights into modern prediction approaches for turbulent flows and noise generation mechanisms as well as their use for novel noise reduction concepts.