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Description
Facing the Heat Barrier: A History of HypersonicsThis volume from The NASA History Series presents an overview of the science of hypersonics, the study of flight at speeds at which the physics of flows is dominated by aerodynamic heating. The survey begins during the years immediately following World War II, with the first steps in hypersonic research: the development of missile nose cones and the X 15; the earliest concepts of hypersonic propulsion; and the origin of the scramjet engine. Next, it
This volume from The NASA History Series presents an overview of the science of hypersonics, the study of flight at speeds at which the physics of flows is dominated by aerodynamic heating. The survey begins during the years immediately following World War II, with the first steps in hypersonic research: the development of missile nose cones and the X-15; the earliest concepts of hypersonic propulsion; and the origin of the scramjet engine. Next, it addresses the re-entry problem, which came to the forefront during the mid-1950s, showing how work in this area supported the manned space program and contributed to the development of the orbital shuttle.Subsequent chapters explore the fading of scramjet studies and the rise of the National Aerospace Plane (NASP) program of 1985-95, which sought to lay groundwork for single-stage vehicles. The program's ultimate shortcomings -- in terms of aerodynamics, propulsion, and materials -- are discussed, and the book concludes with a look at hypersonics in the post-NASP era, including the development of the X-33 and X-34 launch vehicles, further uses for scramjets, and advances in fluid mechanics. Clearly, ongoing research in hypersonics has yet to reach its full potential, and readers with an interest in aeronautics and astronautics will find this book a fascinating exploration of the field's history and future.
Binding Type: Paperback
Publisher: Dover Publications
Published: 09/12/2018
ISBN: 9780486827636
Pages: 352
Weight: 1.36lbs
Size: 9.20h x 6.10w x 1.00d
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★★★★★ 5
“Candy” dog toy
Size: Small, Style: Mutts & Mongrels
Great toy! I like the toy because it’s durable & it has no appendages to for the dogs to chew off. It will be destroyed at some point but I won’t have to start picking up stuffing for a long time.
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Reviewed in the United States on November 12, 2023
★★★★★ 5
Will be repurchasing!
Size: Medium, Style: Sour Pooch
Adorable dog toy. Squeaky and durable! Both of my dogs loved them.
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Reviewed in the United States on January 4, 2026
★★★★★ 5
Great toy
Size: Medium, Style: Sour Pooch
Good size, as advertised. Dog loves it cuz it’s got crinkle and a squeaker.
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Reviewed in the United States on September 14, 2024
★★★★★ 4
My dog like this!
Size: Small, Style: Mutts & Mongrels
My dog likes to play with this but I think she would like it better if the squeaker was larger.
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Reviewed in the United States on January 8, 2025
★★★★★ 5
He loves it new favorite
Size: Small, Style: Skit-Tails
Got this for my dog that's about 4.5 lbs and he has buckets of toys but this is his go to toy. It's so funny watching him play with it and I can tell you he is rough with it but still in perfect shape.
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Reviewed in the United States on December 17, 2023
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