Atmospheric Turbulence Forecasts for Air Force and Missile Defense Applications

The currently emerging debate on the desirability of the U.S. undertaking to deploy an anti-ballistic missile defense system (A.B.M.) threatens to become the next national defense issue to have an impact on national elections. In the past we have all become familiar with real or alleged “bomber gaps,” “missile gaps,” and “conventional gaps.” The basis for all these “gaps” was a deep fear that potential enemies would subject ns to nuclear blackmail, or that our own failure to develop other kinds of military forces would require us to respond to any emergency with an all-out nuclear attack.In an earlier essay, I pointed out how our obsession with nuclear war had encouraged us to discount the significance of conventional war. I want now to turn to an examination of how specific groups in the U.S. have changed their positions in recent years on the subject of defensive weapons. In doing so I have borrowed the term used in 1960 by Henry Kissinger to describe the shifting arguments of the Air Force and Navy.

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CAP Phase II Simulations for the Air Force HEL-JTO Project: Atmospheric Turbulence Simulations on NAVO's 3000-Processor IBM P4+ and ARL's 2000-Processor Intel Xeon EM64T Cluster

2005 Users Group Conference (DOD-UGC'05) ◽

10.1109/dodugc.2005.16 ◽

2006 ◽

Cited By ~ 7

Author(s):

J. Werne ◽

T. Lund ◽

D. Fritts

Keyword(s):

Atmospheric Turbulence ◽

Air Force ◽

Phase Ii ◽

Intel Xeon

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Effect of Atmospheric Turbulence on the Striking Accuracy of Guided Bombs

Problems of Mechatronics Armament Aviation Safety Engineering ◽

10.5604/01.3001.0014.0284 ◽

2020 ◽

Vol 11 (1) ◽

pp. 31-48

Author(s):

Krzysztof GRAJEWSKI ◽

Grzegorz KOWALECZKO ◽

Mariusz PIETRASZEK

Keyword(s):

Numerical Simulation ◽

Atmospheric Turbulence ◽

Air Force ◽

Process Model ◽

Aerodynamic Characteristics ◽

Test Results ◽

Software Environment ◽

Turbulence Scale ◽

Institute Of Technology ◽

Ground Impact

This paper presents the test results of a simulation of an air-to-surface guided bomb drop in a turbulent atmosphere. The guided bomb was developed from a practice bomb built and upgraded by the Air Force Institute of Technology. The paper presents the test results of a numerical simulation of an air-to-surface guided bomb drop ran in a proprietary software environment. The numerical simulation inputs included aerodynamic characteristics calculated with PRODAS software and verified by wind tunnel tests. The stochastic components of atmospheric turbulence were simulated with a stochastic process model proposed by Shinozuki. Examples of the guided bomb drop simulation results are given in the paper. The effect of atmospheric turbulence parameters, i.e. standard deviation, σ and turbulence scale, Lw on the striking accuracy and ground impact scatter, are also shown.

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Atmospheric Turbulence on South African Air Routes

Journal of the Royal Aeronautical Society ◽

10.1017/s0001924000063569 ◽

1961 ◽

Vol 65 (601) ◽

pp. 31-39 ◽

Cited By ~ 1

Author(s):

E. C. Halliday ◽

J. A. King

Keyword(s):

South African ◽

Atmospheric Turbulence ◽

Air Force ◽

Research Laboratory ◽

Research Council ◽

Vertical Acceleration ◽

Photographic Recording ◽

Physical Research Laboratory ◽

Commercial Instrument ◽

Air Speed

When South Africa joined the Commonwealth Advisory Aeronautical Research Council in 1948 it was decided that the study of atmospheric turbulence was the first research project which could be undertaken. Equipment for the recording of aircraft accelerations was not then available commercially so an apparatus was assembled in the laboratory of the National Physical Research Laboratory, use being made of a commercial sensing head and an oscillograph galvanometer with photographic recording. The apparatus weighed about fifteen pounds so it was used on Douglas DC-3 (Dakota) aircraft which were flying for the S. A. Air Force on routes from Pretoria, to Durban, Cape Town and return. This apparatus recorded altitude and vertical acceleration of the aircraft. At a later date a lightweight commercial instrument was purchased and fitted into a Douglas DC-4 (Skymaster) aircraft flying on the routes of S. A. Airways. This instrument recorded altitude, air speed, and vertical acceleration.

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