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PICATINNY ARSENAL DOVER N J.

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Works: 267 works in 268 publications in 1 language and 280 library holdings
Genres: Conference proceedings 
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Publications about PICATINNY ARSENAL DOVER N J.
Publications by PICATINNY ARSENAL DOVER N J.
Most widely held works by PICATINNY ARSENAL DOVER N J.
Interactive Graphics FORTRAN Subroutines for Editing and Manipulating Data Files within an Applications Program ( Book )
1 edition published in 1974 in English and held by 2 libraries worldwide
The report describes several utility subroutines for use in interactive graphics applications programs. One routine provides the capability of editing a file of card images within the graphics program. Another serves as an interface between the graphics program and the CDC permanent file routines. The subroutines are written in FORTRAN for use with the CDC IGS 274 system, operating under SCOPE 3.4.1 or a CDC 6000-series host computer. (Author)
Shock Response of a Packaged Item to a One-Half Sine Acceleration Pulse or an Equivalent Free Fall Drop ( Book )
1 edition published in 1971 in English and held by 2 libraries worldwide
A correlation was formulated between the shock applied to a packaged item by a 42 G-17 millisecond, 1/2-sine acceleration pulse and an equivalent free fall of 40.2 inches. From physical tests and theoretical analysis, the Ammunition Engineering Directorate's Munitions Packaging Laboratory demonstrated that similar shock responses could be expected on a packaged item from both shock phenomena
Interactive Graphics Applications, Status Report ( Book )
1 edition published in 1972 in English and held by 2 libraries worldwide
The document is the latest in a series of reports on interactive computer graphics with applications in the following areas: Curve fitting; Projectile properties measurements; Partial differential equations; Printed circuit board design; PDE/Finite differences extended; Circuit analysis; Structural mechanics; Mechanisms; Numerical control-APT/IGS; Statics of solids; Graphic techniques
Least-Squares Fitting of Polynomial Equations. The Interactive Program POLYFIT ( Book )
1 edition published in 1974 in English and held by 2 libraries worldwide
A program, POLYFIT, has been converted to CDC FORTRAN Extended that provides true least-squares fits to bivariate data of equations of the form: y = (A sub 0) + (A sub 1)x + ... + (A sub m)(x sub m)
Prediction of Failure Times of Adhesive Bonds at Constant Stress. II. Failure at Low Humidity ( Book )
1 edition published in 1970 in English and held by 2 libraries worldwide
The object of this report was to examine possible methods of applying a reaction rate method to failure times of adhesive bonds at constant stress and low humidity. AF 126 epoxy adhesive and aluminum adherends were used in this study. Two new procedures for estimating kinetic parameters from constastress mechanical data are described. These procedures were applied to data on adhesive bonds obtained earlier. It was found that even for bonds tested at 20% HUMIDITY, CONSISTENT AND REASONABLE RESULTS WERE OBTAINED. By the previously used procedures, this correlation had been very doubtful. (Author, modified-PL)
Resistance of plastics to outdoor weathering by R. B Bonk( Book )
2 editions published in 1971 in English and held by 2 libraries worldwide
This report presents results on the aging and natural weathering of filament-wound, glass-reinforced epoxy resin systems for use as engineering materials for Army rocket motor cases. Specimens (cylinders 9 inches long and 3 inches in diameter, using either E or S glass with various resin systems) WERE EXPOSED AT Panama for one, three, and five years. Additional specimens were stored in the dark at 73 F and 50% RH for one, three, and five years. Testing was accomplished by means of a uniaxial hydrostatic burst tester. (Author, modified-PL)
Failure of Adhesive Bonds at Constant Strain Rates ( Book )
1 edition published in 1971 in English and held by 2 libraries worldwide
The object of this report was to study the shear strength of a structural adhesive used in Army helicopters as a function of strain rate and failure time at several temperatures. Shear strengths of adhesive AF126 bonds to two thicknesses of aluminum were measured at constant rate of crosshead separation. Primarily cohesive failure was observed in all cases. By using relations proposed by Cherry and Holmes, the shear strength could be quantitatively related to temperature and strain rate or failure time. Of specific engineering interest would be the possibility of determining the reliability of a bonded joint for specific periods of time as a function of continuously applied stress at a given temperature. (Author-PL)
Matric - A Program for Preparing Large Matrices Containing Blocks of Repeating Entries ( Book )
1 edition published in 1970 in English and held by 2 libraries worldwide
The purpose of the report is to document a computer program that facilitates the preparation of large matrices that contain blocks of repeating entries. (Author)
Simulators and Graphics, Computer Aided Design Tools by J Sierodzinski( Book )
1 edition published in 1973 in English and held by 2 libraries worldwide
Two very important tools in the Computer Aided Design-Engineering armory are simulators and interactive graphics computer programs. The Picatinny Management Information Systems Directorate reports regularly to the scientific and engineering community on the status of its application codes. Such a seminar was presented, by the authors, earlier this year at Picatinny Arsenal and the graphics portion was presented at the AMC Symposium on Interactive Graphics for Computer-Aided Design-Engineering hosted by Picatinny Arsenal in June 1973. The report contains the prints of the original slides, each being augmented with the text of the presentations. All of the programs described are working, checked-out, application codes and the personnel in the photographs were intimately involved with the application programs. Picatinny's present computer complex features a host CDC 6500 digital computer supporting a network of remote batch and teletypewriter terminals and a remote CDC 1700/274 Interactive Graphics facility. (Author)
SPLIFIT: An Interactive Graphics Curve Fitting Computer Program Utilizing Spline Functions ( Book )
1 edition published in 1974 in English and held by 2 libraries worldwide
SPLIFIT is an interactive graphics program to curve fit for a maximum of 50 input points using cubic spline functions for the smoothing process. This method forces the fitted curve through the given points and has been compared to a draftsman hand fit using the mechanical 'spline' as a tool. The method is most useful when there are very few input points to be curve fitted. Available interactive options include, among others, ADD POINTS, DELETE POINTS, RESCALE AXES, and printer HARD COPY. The cubic splines derived are available as part of the printed output. (Author)
Root Determination of Polynomial Equations with Real Coefficients ( Book )
1 edition published in 1974 in English and held by 2 libraries worldwide
A program has been written in CDC FORTRAN EXTENDED that provides the solution of polynomial equations of any degree with real coefficients of the form: y sup n + (A sub 1) y sup (n-1) + (A sub 2) y sup (n-2) + ... + (A sub n) = 0. The program has been included in the permanent files of the Picatinny Arsenal CDC-6500 computer and may be accessed and used from any teletype connected to that facility. An explanation of the use of the program, an explanation and derivation of the mathematics on which it rests, and a listing of the program, in CDC FORTRAN EXTENDED are included in the report. (Modified author abstract)
Differential Thermal Analysis of Lead Azide in Various Gaseous Atmospheres ( Book )
1 edition published in 1972 in English and held by 1 library worldwide
Lead azide was analyzed in gaseous atmospheres by means of Differential thermal analysis. The critical weights and temperatures of lead azide exothermic peaks were distinctly altered by atmospheres containing water vapor and to a lesser extent by an atmosphere of pure oxygen. The exothermic peaks at higher temperatures (above 333C) are deduced to be due to the decomposition of basic lead azide. This is a compound of lead azide and lead oxide of PbN6 : PbO of at least two molar ratios. It is produced by heating lead azide in the presence of water vapor or pure oxygen. The addition of Al or Cu to the lead azide were studied
Transmission of Solvent Vapors through Tyvek ( Book )
1 edition published in 1971 in English and held by 1 library worldwide
A cup method was used to study vapor transmission of 28 solvents through Tyvek(spun-bonded polyethylene) sheets. A METHOD FOR ESTIMATING SUCH TRANSMISSIONIS PROPOSED. This method is based on contributions from various chemical groupspresent in the solvents. (Author, modified-PL)
Combustible ignition tubes for the propelling charge for the 175mm gun ( Book )
1 edition published in 1963 in English and held by 1 library worldwide
A satisfactory process was developed for the manufacture of combustible ignition tubes from nitrocellulose paper for use in the M86 Propelling Charge for the 175mm Gun. Firing and roughhandling tests indicated the tube to be balistically and structurally satisfactory, with residue-free performance. It was recommended that nitrocellulose-paper combustible ignition tubes be incorporated into the standard propelling charge for the 175mm Gun, and that production facilities be established for the fabrication of tubular items from nitrocellulose paper. (Author)
Electrical Conductivity of Irradiated Polyvinyl Chloride as a Function of Temperature ( Book )
1 edition published in 1971 in English and held by 1 library worldwide
The electrical conductivity of polyvinyl chloride was measured as a function of temperature over the range 30-70C before and after irradiation with 1.3-Mev gammas. Three orders of magnitude increase in conductivity were observed for the irradiated specimens after a dose of 4.8 x 10 to the 7th power Rads. Scission of the polymer chain as the dominant effect of the irradiation is postulated. (Author)
Shock Wave Induced Structural Phase Transformations ( Book )
1 edition published in 1976 in English and held by 1 library worldwide
Shock induced structural phase transformations, for two military motivated problems, are considered. Structural transformations in metallic alloys (e.g. TiNi) are examined from both macroscopic and microscopic (soft phonon mode) viewpoints. Both viewpoints are found to be consistent with the possibility of growth (avalanching) of the amplitude of a transformation inducing propagating shock wave. The relationship between such avalanching and the design considerations for an optically activated detonator is treated. The thermomechanics of the alpha to epsilon transition in iron (130 kilobars) is examined for the case where that transition is induced by a shock in the presence of an external magnetic field. Magnetostriction effects are included in the analysis. It is concluded that solid state physics relevant to the alpha to epsilon transition could be important to materials selection for armor. (Author)
Effects of molded reinforced phenolic materials and structure on impact characteristics of xm8 closing plug for 120 mm t42 propelling charge ( Book )
1 edition published in 1962 in English and held by 1 library worldwide
The object of this study was to develop a closing plug which would: close off a propellant cartridge case, and allow no leakage of propellant; be structurally resistant to impact loading and act as a centering device for the semifixed projectile; break up completely on firing; and utilize the best non-critical structural plastic materials compatible with maximum economy. A functional and structural study was conducted, and a number of design and material variations were developed. Plugs molded from phenolics reinforced with various materials-woodflour, cotton flock-rubber, chopped cotton fabric, and chopped glass fiber-were investigated. A closing plug made of a chopped cotton fabric reinforced phenolic material, was considered to most nearly meet the design and development objectives. (Author)
Cimple - card image manipulator for large entities ( Book )
1 edition published in 1970 in English and held by 1 library worldwide
'CIMPLE' (Card Image Manipulator for Large Entities) was written to facilitate the orderly modification and testing of large FORTRAN programs. The 80 character card images for source, object, or data decks are stored in 90 character fields on tape. A sequence number and a special symbol for each card image is stored in the last 10 characters of this 90 character field. The special symbols are used to distinguish original card images from those which have been added or deleted. In the case of FORTRAN source statements, an original card image is made a 'COMMENT CARD' if an attempt is made to delte it
Product improvement study for warhead section, 318mm rocket, practice: m8e1 ( Book )
1 edition published in 1963 in English and held by 1 library worldwide
This report covers the work performed by Picatinny Arsenal on product improvement of the M8E1 Warhead. The M8E1 Warhead is the practice warhead for the Littlejohn Rocket System. The warhead is designed to have the same characteristics as the M146(T54E1) Tactical Warhead. It is used in place of the tactical warhead to train troops in usage, maintenance and handling. Twenty warheads were fabricated -- 10 were static fired and 10 were flight tested. All tests were successful. The 10 warheads statically fired were first subjected to shock, vibration and environmental tests. The M8E1 Warhead utilizes one Fuze, Rocket, MT M421, and consists of the following three major assemblies: ogive assembly, forward assembly and rear assembly. This study was to incorporate into the M8 R+D Practice Warhead, improved production processes and techniques, cost reduction, substitution of common T54E1 Tactical Warhead parts, where possible, and minor and major design improvements without sacrificing safety or reliability. (Author)
 
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