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Author: Ugo De Caria Publisher: ISBN: Category : Airplanes Languages : en Pages : 634
Book Description
This brief survey of the problems encountered in high-altitude flight deals in particular with the need for high lift coefficient in the wings, large aspect ratios in the wings, and also the problem of hermetically sealing the cabin.
Author: Ugo De Caria Publisher: ISBN: Category : Airplanes Languages : en Pages : 634
Book Description
This brief survey of the problems encountered in high-altitude flight deals in particular with the need for high lift coefficient in the wings, large aspect ratios in the wings, and also the problem of hermetically sealing the cabin.
Author: Andras Sóbester Publisher: Springer Science & Business Media ISBN: 1441994580 Category : Technology & Engineering Languages : en Pages : 215
Book Description
In this book, Dr. Andras Sobester reviews the science behind high altitude flight. He takes the reader on a journey that begins with the complex physiological questions involved in taking humans into the "death zone." How does the body react to falling ambient pressure? Why is hypoxia (oxygen deficiency associated with low air pressure) so dangerous and why is it so difficult to 'design out' of aircraft, why does it still cause fatalities in the 21st century? What cabin pressures are air passengers and military pilots exposed to and why is the choice of an appropriate range of values such a difficult problem? How do high altitude life support systems work and what happens if they fail? What happens if cabin pressure is lost suddenly or, even worse, slowly and unnoticed? The second part of the book tackles the aeronautical problems of flying in the upper atmosphere. What loads does stratospheric flight place on pressurized cabins at high altitude and why are these difficult to predict? What determines the maximum altitude an aircraft can climb to? What is the 'coffin corner' and how can it be avoided? The history of aviation has seen a handful of airplanes reach altitudes in excess of 70,000 feet - what are the extreme engineering challenges of climbing into the upper stratosphere? Flying high makes very high speeds possible -- what are the practical limits? The key advantage of stratospheric flight is that the aircraft will be 'above the weather' - but is this always the case? Part three of the book investigates the extreme atmospheric conditions that may be encountered in the upper atmosphere. How high can a storm cell reach and what is it like to fly into one? How frequent is high altitude 'clear air' turbulence, what causes it and what are its effects on aircraft? The stratosphere can be extremely cold - how cold does it have to be before flight becomes unsafe? What happens when an aircraft encounters volcanic ash at high altitude? Very high winds can be encountered at the lower boundary of the stratosphere - what effect do they have on aviation? Finally, part four looks at the extreme limits of stratospheric flight. How high will a winged aircraft will ever be able to fly? What are the ultimate altitude limits of ballooning? What is the greatest altitude that you could still bail out from? And finally, what are the challenges of exploring the stratospheres of other planets and moons? The author discusses these and many other questions, the known knowns, the known unkonwns and the potential unknown unknowns of stratospheric flight through a series of notable moments of the recent history of mankind's forays into the upper atmospheres, each of these incidents, accidents or great triumphs illustrating a key aspect of what makes stratospheric flight aviation at the limit.
Author: Peter P. Wegener Publisher: Springer Science & Business Media ISBN: 1461222540 Category : Technology & Engineering Languages : en Pages : 264
Book Description
Dealing with aerodynamics in the broadest sense, this book discusses, in addition to aeroplanes, the aerodynamics of cars and birds, and the motion of diverse objects through air and water. The fundamental notions of mechanics and fluid dynamics are clearly explained, while the underlying science is discussed rigorously, but using only elementary mathematics, and then only occasionally. To put the science into its human context, the author describes -- with many illustrations -- the history of human attempts to fly and discusses the social impact of commercial aviation as well as the outlook for future developments. This new edition has been brought up to date throughout; solutions to selected exercises have been added, as have new problems and other study aids.
Author: National Research Council Publisher: National Academies Press ISBN: 0309082897 Category : Nature Languages : en Pages : 345
Book Description
Although poor air quality is probably not the hazard that is foremost in peoples' minds as they board planes, it has been a concern for years. Passengers have complained about dry eyes, sore throat, dizziness, headaches, and other symptoms. Flight attendants have repeatedly raised questions about the safety of the air that they breathe. The Airliner Cabin Environment and the Health of Passengers and Crew examines in detail the aircraft environmental control systems, the sources of chemical and biological contaminants in aircraft cabins, and the toxicity and health effects associated with these contaminants. The book provides some recommendations for potential approaches for improving cabin air quality and a surveillance and research program.
Author: Rick Butcher Publisher: Author House ISBN: 1491821817 Category : Biography & Autobiography Languages : en Pages : 383
Book Description
"It was a moment of revelation for me. I was seventeen when I learned to fly, just a stupid kid, and if I knew then what I know now, I wouldn't have done it. I didn't necessarily regret it, in fact quite the opposite; I love to fly. I love everything about it. I just suddenly realized that I'm not inherently brave enough of a person to have put myself through all that I've endured while chasing the clouds. I was a kid so squarely risk averse that I demanded everyone get their money back after playing cards for pennies and nickels. I was a kid who was intimidated by the challenges involved with earning Boy Scout badges or the honor roll. If I had been offered a safe, effortless, and boring destiny, to never have to face the unknown, I would've taken it and probably never looked back."
Author: Panel on Atmospheric Effects of Aviation Publisher: National Academies Press ISBN: 0309523923 Category : Technology & Engineering Languages : en Pages : 68
Book Description
Scientists and policy-makers alike are concerned that operation of a fleet of high-speed civil transport (HSCT) aircraft could significantly affect the global atmosphere. HSCT emissions may have a direct effect on the chemistry of the atmosphere, leading to changes in the distribution of ozone; they may also have indirect effects on ozone and on global climate through coupling with radiative and dynamical processes in the atmosphere. An assessment of the atmospheric impact of a fleet of HSCTs thus requires not only an understanding of the chemistry of the natural stratosphere and its possible perturbations by HSCT emissions, but also an understanding of the pathways for transport of HSCT emissions within the atmosphere, and the resulting temporal and spatial distribution of HSCT emissions. The results of NASA's Atmospheric Effects of Stratospheric Aircraft (AESA) project were summarized in a 1995 NASA assessment. The present report looks at that summary and at more recent work to evaluate the state of the science. AESA has made good progress in the past few years. Satellite and aircraft observations have elucidated important aspects of large-scale transport processes. Field campaigns have provided a much better picture of the relative importance, below 20 km altitude, of the major catalytic cycles for ozone destruction. Careful intercomparisons of assessment models have led to reduction of some of the differences among the models. However, a number of uncertainties and inconsistencies still remain.
Author: David Wyatt Publisher: Routledge ISBN: 1317938313 Category : Technology & Engineering Languages : en Pages : 273
Book Description
Written for those pursuing a career in aircraft engineering or a related aerospace engineering discipline, Aircraft Flight Instruments and Guidance Systems covers the state-of-the-art avionic equipment, sensors, processors and displays for commercial air transport and general aviation aircraft. As part of a Routledge series of textbooks for aircraft-engineering students and those taking EASA Part-66 exams, it is suitable for both independent and tutor-assisted study and includes self-test questions, exercises and multiple-choice questions to enhance learning. The content of this book is mapped across from the flight instruments and automatic flight (ATA chapters 31, 22) content of EASA Part 66 modules 11, 12 and 13 (fixed/rotary-wing aerodynamics, and systems) and Edexcel BTEC nationals (avionic systems, aircraft instruments and indicating systems). David Wyatt CEng MRAeS has over 40 years’ experience in the aerospace industry and is currently Head of Airworthiness at Gama Engineering. His experience in the industry includes avionic development engineering, product support engineering and FE lecturing. David also has experieince in writing for BTEC National specifications and is the co-author of Aircraft Communications & Navigation Systems, Aircraft Electrical & Electronic Systems and Aircraft Digital Electronic and Computer Systems.
Author: United States. Department of Transportation. Climatic Impact Assessment Program Office Publisher: ISBN: Category : Air Languages : en Pages : 870
Author: Ugo De Caria
Author: Ugo De Caria
Author: Andras Sóbester
Author: A. F. Zahm
Author: Michael J. Prather
Author: Peter P. Wegener
Author: National Research Council
Author: Rick Butcher
Author: Panel on Atmospheric Effects of Aviation
Author: David Wyatt
Author: United States. Department of Transportation. Climatic Impact Assessment Program Office