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Vintage October 1984 technical research report titled:
EXTREMELY HIGH OVERPRESSURE ANALYTIC EXPRESSION FOR BURST HEIGHT, RANGE AND TIME – OVER AN IDEAL SURFACE
Report Number: PSR Note 611
Authors: S. J. Speicher and H. L. Brode
Date: October 1984
Publisher: Pacific-Sierra Research Corporation
Location: Los Angeles, California
Sponsoring Agency: Defense Nuclear Agency (DNA)
Contract: DNA001-84-C-0056
ABOUT THE REPORT
An original-period physical copy of a Cold War-era scientific research report prepared by Pacific-Sierra Research Corporation under contract with the U.S. Defense Nuclear Agency.
This specialized technical publication examines mathematical approximations for extremely high overpressures produced by nuclear detonations.
The research focuses on predicting the relationship between blast pressure, burst height, distance from the explosion, and elapsed time.
The report's summary states that its analytical approximation is compared with three detailed numerical calculations and covers peak overpressures ranging from approximately 1 PSI to 3,000,000 PSI.
RESEARCH CONTENT
Subjects include:
• Nuclear explosion blast-wave modeling
• Extremely high peak overpressure
• Nuclear burst height and ground range
• Blast pressure versus time
• Mathematical modeling of shock waves
• Analytical approximations
• Comparison with numerical calculations
• Nuclear weapons effects research
The publication includes mathematical expressions, numerical data, and technical appendices.
The photographed contents include:
Appendix A – FORTRAN Implementation of Analytic Expression
Appendix B – Test Cases
The test cases include numerical tables documenting scaled ground range, scaled height of burst, arrival time, and calculated pressure.
HISTORICAL SIGNIFICANCE
The Defense Nuclear Agency was a United States Department of Defense organization responsible for research and technical work involving nuclear weapons effects and related defense matters.
During the Cold War, understanding the physical effects of nuclear detonations was an important component of military engineering, protective construction, and nuclear effects research.
Pacific-Sierra Research Corporation performed specialized scientific and engineering research in this field.
Coauthor H. L. Brode was a recognized researcher in nuclear blast-wave physics whose work is cited in subsequent literature concerning nuclear weapons effects.
This report represents a specialized example of the mathematical and computational research conducted during that period.
PHYSICAL COPY AND PROVENANCE
This copy retains its blue paper cover and black reinforced binding.
The front cover displays:
• PSR Note 611 identification
• Defense Nuclear Agency sponsorship
• Pacific-Sierra Research Corporation identification
• October 1984 publication date
• AEROTHERM LIBRARY received stamp
• Historical library reference label and handwritten markings
These institutional markings document the copy's former library use and distinguish it from an ordinary modern printout.
CONDITION
Vintage technical report with visible handling wear, light discoloration, edge wear, and historical library markings.
The report appears intact in the photographs, although every page has not been individually inspected.
Please examine the photographs for the exact physical condition, markings, and contents.
COLLECTOR INTEREST
A specialized historical research document of interest to collectors of:
Cold War military history
Nuclear weapons research
Defense Nuclear Agency publications
Military engineering
Historical scientific reports
Nuclear blast physics
Vintage computer modeling and FORTRAN
Government research archives
The listing is for the physical 1984 report shown in the photographs.
