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17件中 1件 - 17件
1
商品 | 説明 | 価格 |

Subsonic Combustion Ramjet Design【電子書籍】[ Antonella Ingenito ]
楽天Kobo電子書籍ストア
|
<p>This book presents a step-by-step methodology for the design of ramjet engines. It explores ramjet combustion, provides guidelines on how to size the engines, and discusses performance analysis.</p> <p>The book begins with an introduction to ramjet design, including fundamental definitions in the field. It then discusses ramjet engine performance, and fuels which can be used. Several types of ramjet engines are then explored, and guidelines for their design are presented, including flame holders, injectors, and combustors. Finally, the book concludes with a discussion of the types of materials which should be used for ramjet engines.</p> <p>This book is of interest to engine designers and engineers, researchers, and graduate students, as it collates research in a succinct, clear guide to the issue of designing ramjet engines.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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8,507円
|

洋書 Paperback, One Dimensional Analysis Program for Scramjet and Ramjet Flowpaths: Conceptual Analysis and Simulation of Scramjet/Ramjet Engine with MATLAB Programming
Glomarket
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*** We ship internationally, so do not use a package forwarding service. We cannot ship to a package forwarding company address because of the Japanese customs regulation. If it is shipped and customs office does not let the package go, we do not make a refund. 【注意事項】 *** 特に注意してください。 *** ・個人ではない法人・団体名義での購入はできません。この場合税関で滅却されてもお客様負担になりますので御了承願います。 ・お名前にカタカナが入っている場合法人である可能性が高いため当店システムから自動保留します。カタカナで記載が必要な場合はカタカナ変わりローマ字で記載してください。 ・お名前またはご住所が法人・団体名義(XX株式会社等)、商店名などを含めている場合、または電話番号が個人のものではない場合、税関から法人名義でみなされますのでご注意ください。 ・転送サービス会社への発送もできません。この場合税関で滅却されてもお客様負担になりますので御了承願います。 *** ・注文後品切れや価格変動でキャンセルされる場合がございますので予めご了承願います。 ・当店でご購入された商品は、原則として、「個人輸入」としての取り扱いになり、すべてニュージャージからお客様のもとへ直送されます。 ・ご注文後、30営業日以内(通常2~3週間)に配送手続きをいたします。配送作業完了後、2週間程度でのお届けとなります。 ・まれに商品入荷状況や国際情勢、運送、通関事情により、お届けが2ヶ月までかかる場合がありますのでお急ぎの場合は注文をお控えください。 ・個人輸入される商品は、すべてご注文者自身の「個人使用・個人消費」が前提となりますので、ご注文された商品を第三者へ譲渡・転売することは法律で禁止されております。 ・関税・消費税が課税される場合があります。詳細はこちらをご確認下さい。PC販売説明文
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15,591円
|

Focke-Wulf’s Proposed “Ta 283B” 2-Man Twin Ramjet Powered Bomber【電子書籍】[ David Myhra ]
楽天Kobo電子書籍ストア
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<p>Virtually nothing much is known about Focke-Wulf Flugzeugbau's design genius Hans Multhopp's outline for a twin ramjet-powered two man piloted bomber. Interesting details provided by Dr David Myhra and you will enjoy these beautiful color images of the two-man bomber created by artist Jozef Gatial of what Heir Multhopp was thinking regarding the future of aircraft design. Enjoy!</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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534円
|

洋書 Paperback, Experimental Study of the Ramjet Engine adopting Swirler Technology: A Novel Approach
Glomarket
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*** We ship internationally, so do not use a package forwarding service. We cannot ship to a package forwarding company address because of the Japanese customs regulation. If it is shipped and customs office does not let the package go, we do not make a refund. 【注意事項】 *** 特に注意してください。 *** ・個人ではない法人・団体名義での購入はできません。この場合税関で滅却されてもお客様負担になりますので御了承願います。 ・お名前にカタカナが入っている場合法人である可能性が高いため当店システムから自動保留します。カタカナで記載が必要な場合はカタカナ変わりローマ字で記載してください。 ・お名前またはご住所が法人・団体名義(XX株式会社等)、商店名などを含めている場合、または電話番号が個人のものではない場合、税関から法人名義でみなされますのでご注意ください。 ・転送サービス会社への発送もできません。この場合税関で滅却されてもお客様負担になりますので御了承願います。 *** ・注文後品切れや価格変動でキャンセルされる場合がございますので予めご了承願います。 ・当店でご購入された商品は、原則として、「個人輸入」としての取り扱いになり、すべてニュージャージからお客様のもとへ直送されます。 ・ご注文後、30営業日以内(通常2~3週間)に配送手続きをいたします。配送作業完了後、2週間程度でのお届けとなります。 ・まれに商品入荷状況や国際情勢、運送、通関事情により、お届けが2ヶ月までかかる場合がありますのでお急ぎの場合は注文をお控えください。 ・個人輸入される商品は、すべてご注文者自身の「個人使用・個人消費」が前提となりますので、ご注文された商品を第三者へ譲渡・転売することは法律で禁止されております。 ・関税・消費税が課税される場合があります。詳細はこちらをご確認下さい。PC販売説明文
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15,822円
|

Eugen Sanger’s Ramjet Powered Messerschmidt Me 262A-1a & Skoda-Kauba SK P.14-01【電子書籍】[ David Myhra ]
楽天Kobo電子書籍ストア
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<p>"I have seen a great deal in my life, but nothing so astounding as the sight and sound of this roaring, flaming D-17Z in a power dive at over 420 mph (675.9 km/h)." Fritz Stamer, famed gliding pilot said after witnessing the flight of the early version of a S?nger ramjet engine operating in open air. While viewing the digital images and photographs, with some imagination, you can understand Fritz's astonishment! Read the story of some of S?nger's accomplishments with the Me 262A-1a & the Skoda-Kauba SK P. 14-01. Written and compiled by David Myhra PhD and published by Robert Walters of RCW Technology & E Book Publishing.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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600円
|

Scramjet Propulsion A Practical Introduction【電子書籍】[ Dora Musielak ]
楽天Kobo電子書籍ストア
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<p><strong>Scramjet Propulsion</strong></p> <p><strong>Explore the cutting edge of HAP technologies with this comprehensive resource from an international leader in her field</strong></p> <p><em>Scramjet Propulsion: A Practical Introduction</em> delivers a comprehensive treatment of hypersonic air breathing propulsion and its applications. The book covers the most up-to-date hypersonic technologies, like endothermic fuels, fuel injection and flameholding systems, high temperature materials, and TPS, and offers technological overviews of hypersonic flight platforms like the X-43A, X-51A, and HiFIRE. It is organized around easy-to-understand explanations of technical challenges and provides extensive references for the information contained within.</p> <p>The highly accomplished author provides readers with a fulsome description of the theoretical underpinnings of hypersonic technologies, as well as critical design and technology issues affecting hypersonic air breathing propulsion technologies. The book’s combination of introductory theory and advanced instruction about individual hypersonic engine components is ideal for students and practitioners in fields as diverse as hypersonic vehicle and propulsion development for missile defense technologies, launch aerospaceplanes, and civilian transports. Over 250 illustrations and tables round out the material. Readers will also learn from:</p> <ul> <li> <p>A thorough introduction to hypersonic flight, hypersonic vehicle concepts, and a review of fundamental principles in hypersonic air breathing propulsion</p> <p>Explorations of the aerothermodynamics of scramjet engines and the design of scramjet components, as well as hypersonic air breathing propulsion combustors and fuels</p> <p>Analyses of dual-mode combustion phenomena, materials structures, and thermal management in hypersonic vehicles, and combined cycle propulsion</p> <p>An examination of CFD analysis, ground and flight testing, and simulation</p> </li> </ul> <p>Perfect for researchers and graduate students in aerospace engineering, <em>Scramjet Propulsion: A Practical Introduction</em> is also an indispensable addition to the libraries of engineers working on hypersonic vehicle development seeking a state-of-the-art resource in one of the most potentially disruptive areas of aerospace research today.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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17,418円
|

Scramjet Combustion Fundamentals and Advances【電子書籍】[ Gautam Choubey ]
楽天Kobo電子書籍ストア
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<p>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</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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23,262円
|

Scramjets Fuel Mixing and Injection Systems【電子書籍】[ Mostafa Barzegar Gerdroodbary ]
楽天Kobo電子書籍ストア
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<p>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</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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20,090円
|

Turning LinkedIn Into A Lead Generation Machine Unleashing The Most Under-Utilized Growth Hacking Tool【電子書籍】[ Vikram Jethwani ]
楽天Kobo電子書籍ストア
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<p>As a popular online professional networking tool, LinkedIn’s users continue to grow at a sustained pace. According to LinkedIn, more than 450 million professionals have been a part of its platform and every second, there are more than two new signups on the platform. It is also estimated that about a million unique users utilize this platform on a daily basis. Though the job-seeking users may acknowledge LinkedIn as a viable source, the fact is that there are more recent graduates and professionals looking for opportunities on LinkedIn. So, qualms are natural when it comes to small businesses looking to expand their operations through networking on LinkedIn.</p> <p>There is no second thought that LinkedIn is probably the most power-packed online networking platform for business owners and professionals. The platform offers endless possibilities be it lead generation, sourcing or finding the right products for your business. Of course, with provisions such as LinkedIn Pulse and video blogging, LinkedIn is fast coming up as a great tool for personal branding too.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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843円
|

Securing Network Infrastructure Discover practical network security with Nmap and Nessus 7【電子書籍】[ Sairam Jetty ]
楽天Kobo電子書籍ストア
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<p><strong>Plug the gaps in your network’s infrastructure with resilient network security models</strong></p> <h4>Key Features</h4> <ul> <li>Develop a cost-effective and end-to-end vulnerability management program</li> <li>Explore best practices for vulnerability scanning and risk assessment</li> <li>Understand and implement network enumeration with Nessus and Network Mapper (Nmap)</li> </ul> <h4>Book Description</h4> <p>Digitization drives technology today, which is why it’s so important for organizations to design security mechanisms for their network infrastructures. Analyzing vulnerabilities is one of the best ways to secure your network infrastructure.</p> <p>This Learning Path begins by introducing you to the various concepts of network security assessment, workflows, and architectures. You will learn to employ open source tools to perform both active and passive network scanning and use these results to analyze and design a threat model for network security. With a firm understanding of the basics, you will then explore how to use Nessus and Nmap to scan your network for vulnerabilities and open ports and gain back door entry into a network. As you progress through the chapters, you will gain insights into how to carry out various key scanning tasks, including firewall detection, OS detection, and access management to detect vulnerabilities in your network.</p> <p>By the end of this Learning Path, you will be familiar with the tools you need for network scanning and techniques for vulnerability scanning and network protection.</p> <p>This Learning Path includes content from the following Packt books:</p> <ul> <li>Network Scanning Cookbook by Sairam Jetty</li> <li>Network Vulnerability Assessment by Sagar Rahalkar</li> </ul> <h4>What you will learn</h4> <ul> <li>Explore various standards and frameworks for vulnerability assessments and penetration testing</li> <li>Gain insight into vulnerability scoring and reporting</li> <li>Discover the importance of patching and security hardening</li> <li>Develop metrics to measure the success of a vulnerability management program</li> <li>Perform configuration audits for various platforms using Nessus</li> <li>Write custom Nessus and Nmap scripts on your own</li> <li>Install and configure Nmap and Nessus in your network infrastructure</li> <li>Perform host discovery to identify network devices</li> </ul> <h4>Who this book is for</h4> <p>This Learning Path is designed for security analysts, threat analysts, and security professionals responsible for developing a network threat model for an organization. Professionals who want to be part of a vulnerability management team and implement an end-to-end robust vulnerability management program will also find this Learning Path useful.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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5,011円
|

Network Scanning Cookbook Practical network security using Nmap and Nessus 7【電子書籍】[ Sairam Jetty ]
楽天Kobo電子書籍ストア
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<p><strong>Discover network vulnerabilities and threats to design effective network security strategies</strong></p> <h4>Key Features</h4> <ul> <li>Plunge into scanning techniques using the most popular tools</li> <li>Effective vulnerability assessment techniques to safeguard network infrastructure</li> <li>Explore the Nmap Scripting Engine (NSE) and the features used for port and vulnerability scanning</li> </ul> <h4>Book Description</h4> <p>Network scanning is a discipline of network security that identifies active hosts on networks and determining whether there are any vulnerabilities that could be exploited. Nessus and Nmap are among the top tools that enable you to scan your network for vulnerabilities and open ports, which can be used as back doors into a network.</p> <p>Network Scanning Cookbook contains recipes for configuring these tools in your infrastructure that get you started with scanning ports, services, and devices in your network. As you progress through the chapters, you will learn how to carry out various key scanning tasks, such as firewall detection, OS detection, and access management, and will look at problems related to vulnerability scanning and exploitation in the network. The book also contains recipes for assessing remote services and the security risks that they bring to a network infrastructure.</p> <p>By the end of the book, you will be familiar with industry-grade tools for network scanning, and techniques for vulnerability scanning and network protection.</p> <h4>What you will learn</h4> <ul> <li>Install and configure Nmap and Nessus in your network infrastructure</li> <li>Perform host discovery to identify network devices</li> <li>Explore best practices for vulnerability scanning and risk assessment</li> <li>Understand network enumeration with Nessus and Nmap</li> <li>Carry out configuration audit using Nessus for various platforms</li> <li>Write custom Nessus and Nmap scripts on your own</li> </ul> <h4>Who this book is for</h4> <p>If you’re a network engineer or information security professional wanting to protect your networks and perform advanced scanning and remediation for your network infrastructure, this book is for you.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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5,155円
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Rebel A Biography of Ram Jethmalani【電子書籍】[ Susan Adelman ]
楽天Kobo電子書籍ストア
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<p>Ram Jethmalani has been called many thingsーa legal legend, a wizard of the law and a magnet for controversy with a knack for defending the most notorious figures in India. With a career spanning the entire history of independent India, and still going strong, he has managed to command respect and evoke anger in equal measure. But did you know that he is the most pro-Israel politician in Asia; one of the founders of the prestigious National School of Law, Bangalore; one of the first to raise the issue of corruption in India; founder of the Sunday Guardian in the late eighties, one of the longest-serving parliamentarians; and that he is married to two wives at the same time? In The Rebel: A Biography of Ram Jethmalani, Susan Adelman, a long-time friend, presents the most updated, authentic and detailed account of his life.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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659円
|

Finding the Shape of Space - Future Space Situational Awareness (SSA) Technologies Preserving U.S. Military Freedom of Action in Space, Full Motion Video, Networks, Scramjet Access, Carbon Nanotubes【電子書籍】[ Progressive Management ]
楽天Kobo電子書籍ストア
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<p>This excellent report, professionally converted for accurate flowing-text e-book format reproduction, is concerned with the direction space technologies will take over the next 20-30 years. Specifically, this research takes a purposeful look at accelerating technological change as it relates to U.S. space capabilities instrumental to improving SSA and other key space initiatives.</p> <p>The US National Space Policy specifically addresses the preservation of, and freedom of action in, space. In order for the policy to succeed, would-be attackers must believe that the United States will detect and attribute their actions. Today's space surveillance network cannot detect either the newest and smallest satellites, nor can it detect small particles of space debris. It therefore cannot monitor or attribute the actions of small satellites, nor can it guarantee the safety of our existing space assets. As new technologies enable packaging increased capabilities into ever smaller space-faring packages, by 2030 our inability to detect small objects in space will become a critical capability shortfall in preserving the United States' freedom to operate in space.</p> <p>An inability to monitor small satellites and space objects could diminish our military instrument of national power and the ability to conduct diplomacy. To properly engage foreign powers using the political instrument of national power, our diplomats must also know what space objects are doing, their intentions, and who owns them.</p> <p>CHAPTER 1 - INTRODUCTION * CHAPTER 2 - GOOGLE EARTH TUBE: PROSPECTS FOR FULL MOTION VIDEO FROM SPACE * CHAPTER 3 - PERSISTENT SPACE SITUATIONAL AWARENESS: DISTRIBUTED REAL-TIME AWARENESS GLOBAL NETWORK IN SPACE * CHAPTER 4 - TOWARD BREAKING THE ROCKET MONOPOLY ON SPACE: SCRAMJET-ENABLED SPACE ACCESS IN 2030 * CHAPTER 5 - DISRUPTION IN SPACE SYSTEM DESIGN USING CARBON NANOTUBES</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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1,029円
|

The X-43A Flight Research Program: Lessons Learned on the Road to Mach 10 - Hyper-X (HXRV), Hypersonic Scramjet, National Aero-Space Plane (NASP), HySTP, Dan Goldin, Fullerton【電子書籍】[ Progressive Management ]
楽天Kobo電子書籍ストア
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<p>Professionally converted for accurate flowing-text e-book format reproduction, this NASA report provides a comprehensive history of the X-43A Hyper-X (Hypersonic Experiment) program. In this NASA project, a supersonic combustion ramjet (scramjet) engine was flight tested on a subscale vehicle. The X-43A Hyper-X Research Vehicle (HXRV) was launched from a B-52B mothership, then boosted to the test speed by a modified Pegasus rocket first stage, called the Hyper-X Launch Vehicle (HXLV). Once at the proper speed and altitude, the X-43A separated from the booster, stabilized itself, and then the engine test began. Although wind-tunnel scramjet engine tests had begun in the late 1950s, before the Hyper-X program there had never been an actual in-flight test of such an engine integrated with an appropriate airframe. Thus, while the scramjet had successfully operated in the artificial airflow of wind tunnels, the concept had yet to be proven in "real air." These conditions meant changes in density and temperature, as well as changes in angle of attack and sideslip of a free-flying vehicle. A wind tunnel is limited in its ability to simulate these subtle factures, which have a major impact on almost any vehicle, but especially that of a scramjet's performance. The Hyper-X project was to provide a real-world benchmark of the ground test data. The full scale X-43A engine would be operated in the wind tunnel, and then flown, and the data from its operation would then be compared with projections. If these matched, the wind tunnel data would be considered a reliable design tool for future scramjet. If there were significant differences, the reasons for these would have to be identified. Until such information was available, scramjets would lack the technological maturity to be considered for future space launch or high-speed atmospheric flight vehicles.</p> <p>What would eventually become the Hyper-X project had its start within the NASP. This was ironic, as NASP project managers rejected the very idea of a short-term, limited-goal effort built around a subscale vehicle. It took a long time for them to finally accept this approach. Among reasons that the NASP program was focused on development of a full-scale test aircraft was the belief of many researchers and contractors that data from a subscale scramjet could not be scaled up to a full-size engine without introducing errors. Indeed, as time passed, the contractors found that they became less confident that they could predict general performance from specific data points. There were uncertainties in many data points, and those uncertainties changed. For these reasons, all of the contractors believed that only a prototype near-full-scale vehicle with a maximum speed above Mach 20 would give them real confidence in their performance predictions for a single-stage-to-orbit design.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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1,457円
|

The Scramjet Engine Processes and Characteristics【電子書籍】[ Corin Segal ]
楽天Kobo電子書籍ストア
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<p>The renewed interest in high-speed propulsion has led to increased activity in the development of the supersonic combustion ramjet engine for hypersonic flight applications. In the hypersonic regime the scramjet engine's specific thrust exceeds that of other propulsion systems. This book, written by a leading researcher, describes the processes and characteristics of the scramjet engine in a unified manner, reviewing both theoretical and experimental research. The focus is on the phenomena that dictate the thermo-aerodynamic processes encountered in the scramjet engine, including component analyses and flowpath considerations; fundamental theoretical topics related to internal flow with chemical reactions and non-equilibrium effects, high-temperature gas dynamics, and hypersonic effects are included. Cycle and component analyses are further described, followed by flowpath examination. Finally, the book reviews experimental and theoretical capabilities and describes ground testing facilities and computational fluid dynamics facilities developed for the study of time-accurate, high-temperature aerodynamics.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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9,840円
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Facing the Heat Barrier: A History of Hypersonics - V-2, Sanger, Missile Nose Cones, X-15, Scramjets, Space Shuttle, National Aerospace Plane (NASP), X-33, X-34 (NASA SP-2007-4232)【電子書籍】[ Progressive Management ]
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<p>This official NASA history document - converted for accurate flowing-text e-book format reproduction - is a fascinating and comprehensive account of the history of hypersonics, the study of flight where aerodynamic heating dominates the physics of the problem, normally at Mach 5 and higher. The text covers many famous programs and vehicles, including the V-2, missile nose cones, the X-15, scramjet technology, the Space Shuttle, the National Aerospace Plane (NASP), the X-33, and X-34.</p> <p>Chapter 1 covers the immediate postwar years, when America still had much to learn from the Europeans. It focuses on two individuals: Eugen Sanger, who gave the first proposal for a hypersonic bomber, and John Becker, who built America's first hypersonic wind tunnel. Chapter 2 covers the first important area of hypersonic research and development, which supported the advent of strategic missiles during the 1950s. The focus was on solving the re-entry problem, and this chapter follows the story through flight tests of complete nose cones. Chapter 3 deals with the X-15, which took shape at a time when virtually the whole of America's capability in hypersonics research was contained within Becker's 11-inch instrument. Today it is hard to believe that so bold and so successful a step in aviation research could stand on so slender a foundation. Chapter 4 introduces hypersonic propulsion and emphasizes the work of Antonio Ferri, an Italian aerodynamicist who was the first to give a credible concept for a scramjet engine. This chapter also surveys Aerospaceplane, a little-known program of paper studies that investigated the feasibility of flight to orbit using such engines. The next two chapters cover important developments in re-entry that followed the ICBM. Chapter 5, "Widening Prospects for Re-Entry," shows how work in this area supported the manned space program while failing to offer a rationale for a winged spacecraft, Dyna-Soar. Chapter 6, "Hypersonics and the Shuttle," begins by outlining developments during the mid-1960s that made it plausible that NASA's reusable space transporter would be designed as a lifting body and built using hot structures. Chapter 7, "The Fading, the Comeback," shows how work with scramjets did not share the priority afforded to the topic of re-entry. Instead it faded, and by the late 1960s only NASA-Langley was still pursuing studies in this area. This ongoing effort nevertheless gave important background to the National Aerospace Planeー but it was not technical success that won approval for NASP. As noted, it was the Strategic Defense Initiative. NASP was not well-founded at the outset; it was more of a leap of faith. Chapter 8, "Why NASP Fell Short," explains what happened. In summary, the estimated performance of its scramjet engine fell well below initial hopes, while the drag was higher than expected. Computational aerodynamics failed to give accurate estimates in critical technical areas. The ejector ramjet, a key element of the propulsion system, proved to lack the desired performance. In the area of materials, metallurgists scored an impressive success with a new type of titanium called Beta-21S. It had only half the density of the superalloys that had been slated for Dyna-Soar, but even greater weight savings would have been needed for NASP. Finally, Chapter 9 discusses "Hypersonics After NASP." Recent developments include the X-33 and X-34 launch vehicles, which represent continuing attempts to build the next launch vehicle. Scramjets have lately taken flight, not only as NASA's X-43A but also in Russia and in Australia. In addition, the new topic of Large Eddy Simulation, in computational fluid mechanics, raises the prospect that analysts indeed may learn, at least on paper, just how good a scramjet may be.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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1,135円
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Rockets Sulfur, Sputnik and scramjets【電子書籍】[ Peter Macinnis ]
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<p>Our story starts around 700 BC when the Chinese used a form of gunpowder to fumigate their houses. The first real rockets were gunpowder filled sections of bamboo thrown under horses to scare them; the next development was to tie these to arrows.</p> <p>The Mongols took rockets from China to Europe where only some, including Admiral Nelson and the Crown Prince of Sweden, were impressed. The Royal Navy used them in all sorts of odd actions against restless natives in Tierra Del Fuego, Australia and New Zealand and the Russian and Austrian empires adopted rockets as alternatives to artillery in boggy and mountainous territory. By 1870 their heyday appeared over.</p> <p>But since the Roman Empire people had dreamed of travelling to the moon and by 1900 some were starting to realise that rockets were the only way to get there. Robert Goddard in the USA and other space enthusiasts all across Europe in the first half of the twentieth century started developing the rockets that are now used for space exploration, by the military, and for commercial purposes such as setting up satellite communications that have revolutionized our modern world.</p> <p>Our story ends with a look at the future of rockets and the third generation spacecraft, the scramjet.</p> <p>The author fills this book with a cast of unusual people and events to tell the story of the history of rocketry including pissoirs in Paris, stuntmen in New York, kangaroos in outback Australia and a socialist nudist New Zealand physicist.</p>画面が切り替わりますので、しばらくお待ち下さい。 ※ご購入は、楽天kobo商品ページからお願いします。※切り替わらない場合は、こちら をクリックして下さい。 ※このページからは注文できません。
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1,559円
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