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General Aviation and the Transition to Electrification
The general aviation industry is about to be transformed by a rare convergence of technologies, mainly electrification, automation, and autonomy. Small aircraft of the future will be more sustainable, safer to operate, and more capable than today’s piston-engine aircraft. This report describes some of the challenges and opportunities that will arise when the upcoming technology convergence wave finds applications in four- to six-seat aircraft that will enter into service before the end of the 2020s. 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. These reports are not intended to resolve the challenges they identify or close any topic to further scrutiny. https://doi.org/10.4271/EPR2022015
Liquid Rocket Engine
The great engineering achievement required to overcome most of the challenges and obstacles that prevented turning rocket design from art into science took place in Europe and the United States between the 1930s and the 1950s. With the vast majority of the engines currently in operation developed in the “pre-computer” age, there are new opportunities to update the design methodologies using technology that can now handle highly complex calculations fast. The space sector with an intense focus on efficiency is driving the need for updating, adapting or replacing the old modeling practices with new tools capable of reducing the volume of resources and the time required to complete simulati...
Liquid Rocket Engine Thrust Chamber
This book presents an innovative parametric model applicable to the project of some elements of the liquid rocket thrust chamber with the level of detail and accuracy appropriate to the preliminary design phase. It addresses the operating characteristics and dimensioning of some thrust chamber elements through a set of equations and parameters, which include thrust or propellant characteristics. The model degree of sophistication was adjusted to the requirements of the Project Life Cycle Phase B, while also enabling quick analysis of new configurations from changes in initial project parameters.
Liquid Rocket Engine Thrust Chamber
This book presents an innovative parametric model applicable to the project of some elements of the liquid rocket thrust chamber with the level of detail and accuracy appropriate to the preliminary design phase. It addresses the operating characteristics and dimensioning of some thrust chamber elements through a set of equations and parameters, which include thrust or propellant characteristics. The model degree of sophistication was adjusted to the requirements of the Project Life Cycle Phase B, while also enabling quick analysis of new configurations from changes in initial project parameters.
2021 AIAA IEEE Electric Aircraft Technologies Symposium (EATS)
Hybrid Electric Propulsion Systems Architectures Electrical Energy Generation and Storage (including battery, fuel cell, solar, turbo electric, and others) Electric Power Management and Distribution Failure Fault Mode Protection, Diagnostics, and Modeling Electrical Machines and Power Electronics Superconducting and Cryogenic Systems and Components Propulsor Machine Coupling Thermal Management High Voltage Considerations New Material Solutions or Applications System Controls and Modeling Electric Aero Propulsive Coupling Integrated Vehicle Design (including fixed wing and rotary wing) Mission Operation (Energy, Cost, Emissions) Verification and Validation Safety, Certification, and Standards
Global Financial Development Report 2015/2016
Global Financial Development Report 2015/2016 focuses on the ability of financial systems to sustainably extend the maturity of financial contracts for private agents. The challenges of extending the maturity structure of finance are often considered to be at the core of effective, sustainable financial development. Sustainably extending long-term finance may contribute to the objectives of higher growth and welfare, shared prosperity and stability in two ways: by reducing rollover risks for borrowers, thereby lengthening the horizon of investments; and by increasing the availability of long-term financial instruments, thereby allowing households to address their lifecycle challenges. The ai...
Strigolactones, Alkamides and Karrikins in Plants
Strigolactones, Alkamides and Karrikins in Plants: Recent Updates and Future Prospects provides comprehensive knowledge on the various aspects of plant growth, physiology, and communication associated with the three potential biomolecules. Strigolactones have gained much importance in the last decade as potential plant growth regulators. Likewise, alkamides are also known for their plant growth regulatory and pharmacological properties. The evolutionary significance of karrikins as a potential signaling molecule in different plant groups has been fascinating to plant physiologists and ecologists. This book enables the reader to gain insights into the myriad role of these biomolecules in plan...
Invertebrate Immunity
It can be seen that the insects are the still attracting most research and researchers. However, an increasing interest is emerging to study new invertebrate groups, especially those where the genome is known. Even though Drosophila has been and still is an excellent model for immune studies, it is now clear that there are great differences between immune responses in Drosophila and that of several other invertebrates, which indeed calls for more research on other invertebrates
