Search Results: 'Mach number'
Instabilities of Flow in Sudden Enlargement
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The study of two-dimensional and axisymmetric sudden enlargements reveals abrupt changes in flow and recompressions that are more or less stable or violent in these systems. Observation of the flows... More > makes it possible to propose a scenario to explain these instabilities. The method of calculation deriving from it confirms, on the whole, the experimental data.< Less
Fragmante Latè - Fwad Konsèp
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Yon avanti sezon nan mal konprann, sa a seri de istwa sikolojik kout, eksplore siyifikasyon yon sibtilite nan sans yo san sans neglije pa konprann tèt li. Fwad Konsèp: Se Fasil... More > Fè Malerezman, nan mitan moun travay ki nou briye konsa anpil nan nimewo nan, panse pa ka konte. Men, si listwa nou montre anyen pi plis pase kapasite brit nou an pou vyolans, ak desepsyon ladan l ', li se siman ke nou ka fè plis pase tout tan yo ansanm apa. Nimewo a nan travay yon gwoup kapab briye pi lwen pase moun nan se inonbrabl... Ak, Senp English Edition: Sad, around those work that we do so great in number in, think can-not be count. Yet if our history show any-thing more than our gross size for anger... Ak, English Edition: Sadly, among those tasks which we excel so greatly in numbers in, thinking cannot be counted. Yet if our history exhibits anything more than our gross capacity for violence...< Less
MiG-25 Foxbat Test and Development
eBook (ePub): $4.60
The Mikoyan MiG-25 Foxbat derived from the E-66 experimental MiG to date is Russia's fastest and highest flying combat plane ever. Claimed to be capable of Mach 3.2 in a straight line invariably in... More > operational service it never exceeds Mach 2.8. Its development and test flying claimed the lives of several Soviet test pilots, a number of them 'Heroes of the Soviet Union' as well as indirectly the lfe of Artem Mikoyan the OKBs chief designer and director. The problems were so acute that the Soviet Air Force absolutely refused to accept the Foxbat into front-line service until the cause of the crashes was found and the type was safe to operate by the PVO. At the cost of another 'Hero of the Soviet Union' pilot's life it's major problem was revealed as he plummeted to the ground and his death. Unlike the USAF's SR-71, today in the new millennium (2010) the RFAF retain's 39 MiG-25 Foxbat in front-line service.< Less
Cedarville University: Defining Legacies
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In this volume of the history of Cedarville University, we will focus on a number of individuals who have left a permanent legacy to the university and made the world “a better place”.... More > Each chapter focuses on individuals who represent a particular type of legacy: Chapter One, the Legacy of Vision; Chapter Two, the Legacies of Excellence; Chapter Three, the Legacy of Giving; Chapter Four, the Legacies of Ministry and Service; and Chapter Five, the Lasting Legacies still being formed by graduates of Cedarville serving all around the world (“Beyond the Bubble”). Obviously because of space and time limitations we regretfully cannot include everyone who is deserving of mention; also, including an individual in one category does not imply that he/she only left a legacy in that particular category. In addition, for the sake of consistency, this volume will observe the same time frame as the Murdoch/Mach volume, that is, the 125th anniversary in 2012.< Less
Mikoyan-Gurevich MiG-21 Pilot's Flight Operating Instructions (in English)
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The Mikoyan-Gurevich MiG-21 is known in NATO circles as the “Fishbed”. Designed as a Mach 2.0 interceptor, the plane holds the distinction of being produced in greater numbers than any... More > other jet aircraft. The Fishbed flew in combat in Vietnam, where it held its own against the F-105 Thunderchief. During the 1973 Arab-Israeli War, 17 Israeli aircraft were shot down, for a loss of six Egyptian MiG-21s. The plane also flew in combat in the Indo-Pakistani War of 1971, during the Soviet invasion of Afghanistan, and in Yugoslavia. Today, over 28 of the world’s air forces continue to fly MiG-21s. Originally printed by NATO, this English-language handbook provides a glimpse inside the cockpit of this incredible plane. The manual was recently declassified and is here reprinted in book form. Care has been taken to preserve the integrity of the text< Less
Project SENTINEL: Design of a Long-Range, High-Speed, Precision-Strike Tactical Weapon
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This book details a design proposal for a Long-Range, High-Speed, Precision Strike Tactical Weapon (LRHSPSTW). The purpose of this weapon is to provide a fast, accurate, and powerful surgical strike... More > weapon with the goal of Denial of Combat Potential and Initiative. The missile also has the capability of responding quickly to time critical targets, such as mobile missile launchers or key enemy personnel, both of which may have very short dwell times. Many missile configurations were initially investigated. The design space allowed for variation in engine types (rocket powered, rocket powered with an aeropropulsive-assist, and full air-breathing), number of stages, and fuel type (solid or liquid). The resulting design is a combined rocket propelled first stage booster and a high-speed, air-breathing, payload delivery vehicle. Upon injection at altitude, the vehicle is powered by an air-breathing engine at Mach 5, which carries it to its target.< Less
United States Strategic Bombers 1945 - 2012
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By 1944, the US had the world's largest AF with 2.4 million personnel and 80,000 A/C. After WWII, the US relied on a strategy of deterrence using nuclear weapons. Accordingly, the US gave preference... More > to its long-range atomic bombing force now known as SAC. The B-36 could hit targets thousands of miles away. -The B-29 and B-50 were replaced by B-47s while the B-36 replaced the B-52. The bombers' went supersonic with the B-58 Hustler. Finally, the ultimate expression of the strategic bomber was realized with the B-70 Valkyrie, a Mach 3 beauty with true intercontinental range. -The FB-111 replaced the B-58 while the new B-1 Lancer entered the fleet alongside the venerable B-52. An entirely new concept of bomber was developed as the B-2 Spirit. This relied on its stealth, but the sheer cost meant that only a handful of B-2s were built and the number of bombers continued to decline. -Yet, in the early 21st century, the strategic bomber was confirmed yet again in Iraq. This is the history of the US strategic bomber.< Less
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