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Author: Richard Hann
Publisher: SAE International
ISBN: 1468601695
Category : Technology & Engineering
Languages : en
Pages : 32
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Book Description
Unmanned aerial vehicles (UAVs) are an emerging technology with a large variety of commercial and military applications. In-flight icing occurs during flight in supercooled clouds or freezing precipitation and is a potential hazard to all aircraft. In-flight icing on UAVs imposes a major limitation on the operational envelope. This report describes the unsettled topics related to UAV icing. First, typical UAV applications and the general hazards of icing are described. Second, an overview of the special technical characteristics of icing on autonomous and unmanned aircraft is given. Third, the operational challenges for flight in icing conditions are discussed. Fourth, technologies for ice protection that mitigate the icing hazard are introduced. Fifth, the tools and methods required to understand UAV icing and to develop aircraft with cold-weather capabilities are presented. Finally, an assessment of the current and future regulations regarding icing on UAVs is provided. Icing is a key challenge that the UAV industry needs to address in order to unlock the full potential of this emerging technology. UAVs must be capable of safe and reliable operation in a wide range of weather conditions. This report outlines the most important challenges and gives short- and long-term recommendations on how to solve UAV icing issues. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. SAE EDGE™ Research Reports are not intended to resolve the challenges they identify or close any topic to further scrutiny. Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2020008
Author: Richard Hann
Publisher: SAE International
ISBN: 1468601695
Category : Technology & Engineering
Languages : en
Pages : 32
Get Book Here
Book Description
Unmanned aerial vehicles (UAVs) are an emerging technology with a large variety of commercial and military applications. In-flight icing occurs during flight in supercooled clouds or freezing precipitation and is a potential hazard to all aircraft. In-flight icing on UAVs imposes a major limitation on the operational envelope. This report describes the unsettled topics related to UAV icing. First, typical UAV applications and the general hazards of icing are described. Second, an overview of the special technical characteristics of icing on autonomous and unmanned aircraft is given. Third, the operational challenges for flight in icing conditions are discussed. Fourth, technologies for ice protection that mitigate the icing hazard are introduced. Fifth, the tools and methods required to understand UAV icing and to develop aircraft with cold-weather capabilities are presented. Finally, an assessment of the current and future regulations regarding icing on UAVs is provided. Icing is a key challenge that the UAV industry needs to address in order to unlock the full potential of this emerging technology. UAVs must be capable of safe and reliable operation in a wide range of weather conditions. This report outlines the most important challenges and gives short- and long-term recommendations on how to solve UAV icing issues. NOTE: SAE EDGE™ Research Reports are intended to identify and illuminate key issues in emerging, but still unsettled, technologies of interest to the mobility industry. The goal of SAE EDGE™ Research Reports is to stimulate discussion and work in the hope of promoting and speeding resolution of identified issues. SAE EDGE™ Research Reports are not intended to resolve the challenges they identify or close any topic to further scrutiny. Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2020008
Author: Johnny Doo
Publisher: SAE International
ISBN: 1468605445
Category : Technology & Engineering
Languages : en
Pages : 28
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Book Description
Recent advancements in eVTOL aircraft have generated significant interest within and beyond the traditional aviation industry. One promising application is for last-mile (and middle-mile) military transport and logistics, which can complement current mission capabilities and enhance operational readiness. With the dynamic and varying global challenges facing military operations, eVTOL aircraft can offer timely, on-demand, and potentially cost-effective aerial mobility components to the overall solution. The Use of eVTOL Aircraft for Military Applications: Last-mile Transport and Logistics explores the challenges that need to be addressed before identified capabilities and benefits can be realized at scale: Mission-specific eVTOL vehicle development Detect-and-avoid (DAA)capabilities in complex and challenging operating environments Autonomous and AI-enhanced mission capabilities Charging system compatibility and availability for battery-electric vehicles Simplified vehicle operations (SVO) training Vehicle/fleet logistics and support Secured supply chain management Acceptance from stakeholder services, military leadership, field commanders, and operating and support team members Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2022025
Author: Wagdi George Habashi
Publisher: Springer Nature
ISBN: 3031338456
Category : Technology & Engineering
Languages : en
Pages : 1278
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Book Description
This Handbook of Numerical Simulation of In-Flight Icing covers an array of methodologies and technologies on numerical simulation of in-flight icing and its applications. Comprised of contributions from internationally recognized experts from the Americas, Asia, and the EU, this authoritative, self-contained reference includes best practices and specification data spanning the gamut of simulation tools available internationally that can be used to speed up the certification of aircraft and make them safer to fly into known icing. The collection features nine sections concentrating on aircraft, rotorcraft, jet engines, UAVs; ice protection systems, including hot-air, electrothermal, and others; sensors and probes, CFD in the aid of testing, flight simulators, and certification process acceleration methods. Incorporating perspectives from academia, commercial, government R&D, the book is ideal for a range of engineers and scientists concerned with in-flight icing applications.
Author: Johnny Doo
Publisher: SAE International
ISBN: 1468606522
Category : Technology & Engineering
Languages : en
Pages : 26
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Book Description
Advancements in electric vertical takeoff and landing (eVTOL) aircraft have generated significant interest within and beyond the traditional aviation industry. One particularly promising application involves on-demand, rapid-response use cases to broaden first responders, police, and medical transport mission capabilities. With the dynamic and varying public service operations, eVTOL aircraft can offer potentially cost-effective aerial mobility components to the overall solution, including significant lifesaving benefits. The Use of eVTOL Aircraft for First Responder, Police, and Medical Transport Applications discusses the challenges need to be addressed before identified capabilities and benefits can be realized at scale: Mission-specific eVTOL vehicle development Operator- and patient-specific accommodations Detect-and-avoid capabilities in complex and challenging operating environments Autonomous and artificial intelligence-enhanced mission capabilities Home-base charging systems for battery power platforms Simplified operator and support training Vehicle/fleet maintenance and support Acceptance and participation from stakeholder services, local and state-level leadership, field operators, and support team members Click here to access the full SAE EDGETM Research Report portfolio. https://doi.org/10.4271/EPR2023020
Author: United States. Department of Defense
Publisher: United States Department of Defense
ISBN:
Category : History
Languages : en
Pages : 584
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Book Description
This two-in one resource includes the Tactical Commanders and Staff Toolkit plus the Liaison Officer Toolkit. Defense Support of Civil Authorities (DSCA)) enables tactical level Commanders and their Staffs to properly plan and execute assigned DSCA missions for all hazard operations, excluding Chemical, Biological, Radiological, Nuclear, high yield Explosives (CBRNE) or acts of terrorism. Applies to all United States military forces, including Department of Defense (DOD) components (Active and Reserve forces and National Guard when in Federal Status). This hand-on resource also may be useful information for local and state first responders. Chapter 1 contains background information relative to Defense Support of Civil Authorities (DSCA) including legal, doctinal, and policy issues. Chapter 2 provides an overview of the incident management processes including National Response Framework (NRF), National Incident Management Systems (NIMS), and Incident Command System (ICS) as well as Department of Homeland Security (DHS). Chapter 3 discuses the civilian and military responses to natural disaster. Chapter 4 provides a brief overview of Joint Operation Planning Process and mission analyis. Chapter 5 covers Defense Support of Civilian Authorities (DSCA) planning factors for response to all hazard events. Chapter 6 is review of safety and operational composite risk management processes Chapters 7-11 contain Concepts of Operation (CONOPS) and details five natrual hazards/disasters and the pertinent planning factors for each within the scope of DSCA.
Author: Kenneth P. Werrell
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 308
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Book Description
Author: Chūya Nakahara
Publisher: Gracewing Publishing
ISBN: 9780852442555
Category : Literary Criticism
Languages : en
Pages : 80
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Book Description
Acclaimed English translation of poems by one of the most gifted and colourful of Japan's early modern poets: Nakahara Chuya. Now ranked among the finest Japanese verse of the 20th century, influenced by both Symbolism and Dada, he created lyrics renowned for their songlike eloquence, their personal imagery and their poignant charm.
Author: Bruce Larrimer
Publisher:
ISBN: 9781626830592
Category :
Languages : en
Pages :
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Book Description
Author: Dan Brown
Publisher: Pocket Books
ISBN: 1982122358
Category : Fiction
Languages : en
Pages : 752
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Book Description
From the #1 New York Times bestselling author of The Da Vinci Code, Angels & Demons, and Inferno and the “master of smart thrills” (People) comes a “rocket-fast thriller” (Vince Flynn) about an astonishing NASA discovery that unravels a deadly conspiracy that leads all the way to the White House. When a NASA satellite spots evidence of an astoundingly rare object buried deep in the Arctic ice, the floundering space agency proclaims a much-needed victory—one that could have profound implications for US space policy and the impending presidential election. With his re-election hanging in the balance, the President sends White House Intelligence analyst Rachel Sexton to the Milne Ice Shelf to verify the authenticity of the find. Accompanied by a team of experts, including the charismatic academic Michael Tolland, Rachel uncovers the unthinkable: evidence of scientific trickery. Before she can contact the President, she and Michael are attacked by a deadly team of assassins controlled by a mysterious power broker who will stop at nothing to hide the truth. Fleeing for their lives in an environment as desolate as it is lethal, their only hope for survival is to find out who is behind this masterful ploy. The truth, they will learn, is the most shocking deception of all in this “taut, fast-paced, barn-burner of a book” (St. Petersburg Times).
Author: Keri Facer
Publisher: Routledge
ISBN: 113672821X
Category : Education
Languages : en
Pages : 228
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Book Description
In the twenty-first century, educators around the world are being told that they need to transform education systems to adapt young people for the challenges of a global digital knowledge economy. Too rarely, however, do we ask whether this future vision is robust, achievable or even desirable, whether alternative futures might be in development, and what other possible futures might demand of education. Drawing on ten years of research into educational innovation and socio-technical change, working with educators, researchers, digital industries, students and policy-makers, this book questions taken-for-granted assumptions about the future of education. Arguing that we have been working with too narrow a vision of the future, Keri Facer makes a case for recognizing the challenges that the next two decades may bring, including: the emergence of new relationships between humans and technology the opportunities and challenges of aging populations the development of new forms of knowledge and democracy the challenges of climate warming and environmental disruption the potential for radical economic and social inequalities. This book describes the potential for these developments to impact critical aspects of education – including adult-child relationships, social justice, curriculum design, community relationships and learning ecologies. Packed with examples from around the world and utilising vital research undertaken by the author while Research Director at the UK’s Futurelab, the book helps to bring into focus the risks and opportunities for schools, students and societies over the coming two decades. It makes a powerful case for rethinking the relationship between education and social and technological change, and presents a set of key strategies for creating schools better able to meet the emerging needs of their students and communities. An important contribution to the debates surrounding educational futures, this book is compelling reading for all of those, including educators, researchers, policy-makers and students, who are asking the question 'how can education help us to build desirable futures for everyone in the context of social and technological change?'
