Author: Gabriel Alexander Khoury ISBN: 706 Genre: Science File Size: 49. 75 MB Format: PDF Download: 219 Read: 1207 This comprehensive guide to modern airship design and operation, written by world experts, is the only up-to-date book on airship technology intended as a technical guide to those interested in studying, designing, building, flying, and operating airship.

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In addition to basic airship principles, the book covers conventional and unconventional design in a panoramic and in-depth manner focusing on four themes: (1) basic principles such as aerostatics, aerodynamics, propulsion, materials and structures, stability and control, mooring and ground handling, and piloting and meteorology; (2) different airship types including conventional (manned and unmanned), hot air, solar powered, and hybrid; (3) airship applications including surveillance, tourism, heavy lift, and disaster and humanitarian relief; and (4) airship roles and economic considerations. This second edition introduces nine new chapters and includes significant revisions and updates to five of the original chapters.

Author: Books LLC ISBN: Genre: File Size: 74. 25 MB Format: PDF, Kindle Download: 472 Read: 1208 Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Chapters: Aluminium, Hydrogen, Helium, Propeller, Hot air balloon, Monocoque, Buoyancy, Truss, History of ballooning, Umberto Nobile, Polyester, Mooring mast, Thrust vectoring, RAF Cardington, Aramid, Buoyancy compensator, Airship hangar, Spy basket, Laminate, Geodesic airframe, Goldbeater's skin, Lifting gas, Ballonet, Polyvinyl fluoride, Thermic welding, Hybrid moored balloon. Excerpt: Helium ( -lee- m) is the chemical element with atomic number 2 and an atomic weight of 4.002602, which is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas that heads the noble gas group in the periodic table. Its boiling and melting points are the lowest among the elements and it exists only as a gas except in extreme conditions.

Next to hydrogen, it is the second most abundant element in the universe and accounts for 24% of the elemental mass of our galaxy. An unknown yellow spectral line signature in sunlight was first observed during a solar eclipse in 1868 by French astronomer Jules Janssen. Janssen is jointly credited with the discovery of the element with Norman Lockyer, who observed the same eclipse and was the first to propose that the line was due to a new element, which he named helium. In 1903, large reserves of helium were found in natural gas fields in parts of the United States, which is by far the largest supplier of the gas. Helium is used in cryogenics (its largest single use, absorbing about a quarter of production), particularly in the cooling of superconducting magnets, with the main commercial application being in MRI scanners. Helium's other industrial uses- as a pressurizing and purge gas, as a protective atmosphere for arc welding and in processes such as growing crystals to make silicon wafers- account for half of the gas produced. A well-known but minor use is as a.

Author: Chester Quinn ISBN: 676 Genre: Fiction File Size: 25. 44 MB Format: PDF, ePub, Mobi Download: 918 Read: 392 Capable of carrying hundreds of passengers and crew members, the elegant airships have become the preferred method of travel and are the crown jewels in the Airship Ministry. But one of the airships is now a target for greedy pirates. As darkness descends on the Melbourne, pirates hijack the ill-fated airship.

Passengers and crew are thrown into turmoil as they become unwilling pawns in the hijackers' ransom demands. The Airship Ministry is desperate to resolve the crises before any of the hostages are harmed--and before their stock prices plummet further. They decide on a bold plan and send Captain Thomas Lelaray of the airship Artemis to negotiate. Lelaray makes contact with the pirates and with his secret compliment of marine commandos is prepared to retrieve the hostages at all costs.

But what appears to be a simple rescue mission quickly becomes a struggle to survive as disaster looms. From the streets of New York and London, to the burning deserts of Libya. Lelaray tries to tie the clues together, to ensure the safety of the hostages and the success of the mission. With help from the beautiful marine lieutenant Jess Yamato, Lelaray finds himself torn between love, duty, and survival. Author: Garth Cameron ISBN: Genre: Biography & Autobiography File Size: 90. 33 MB Format: PDF, Mobi Download: 767 Read: 1136 By the time it was over, eight of the crew and nine rescuers were dead and scores more had been put in harm’s way.

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