The Surveyor shock absorber
Surveyor spacecraft landing shock absorbers design and performance assessment by digital computer simulation
Sperling, F. B.↗
SEARCH · Engineering Papers
Results for “digital computers”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Control analysis of an ion thruster with programed thrust
Digital computer simulation and analysis of control loops for ion thrustor control
Mueller, P. A.↗
Transient waveform control of electromagnetic test equipment
Electromagnetic test equipment transient waveform control using on-line digital computer in near real time configuration
Favour, J. D.↗
Experimental strapdown redundant sensor inertial navigation system
Strapdown redundant experimental sensor inertial navigation package containing gyros and accelerometers, discussing signal real time processing by digital computer
Evans, F. A.↗
Determination of radiation interchange factors
Method utilizes an analytical model, a method of solution which is compatible with digital computer analysis, and a generalized computer program to carry out the computations.
Bobco, R. P.↗
Spin vector control of a spinning space station
Digital computer program simulates system and related functions. Program is intended for, but not limited to, altitude control studies of rotating space station. Russel's method of formulating and solving motion equations for system of rigid bodies connected by movable joints is applied. Program features are listed.
Hendricks, T.↗
Nonvolatile read/write memory element - A concept
Memory, with limited number of programming cycles, is achieved by using verticle, fusible links in series with oxide breakthrough elements. Memory elements are fabricated with integrated circuit technology and are ideal for low power digital computer application.
Cricchi, J. R.↗
Thermal analysis system /TAS-1/ program
Digital computer program develops temperature control system which maintains various subsystems within proper temperature limits. Coding is simple and input rules are easy to use and remember. Output format is easy to understand and to analyze for error diagnosis.
Hultberg, J. A.↗
Tolerance analysis program
Digital computer program determines tolerance values of end to end signal chain or flow path, given preselected probability value. Technique is useful in the synthesis and analysis phases of subsystem design processes.
Watson, H. K.↗
Prediction of stall characteristics of straight wing aircraft
Digital computer program considers an unswept wing with a circular or elliptical fuselage. Wing has partial or full span deflected flaps and must have an aspect ratio of 6 or greater.
Fox, C. H.↗
Requirements for the Automated Sneak Program-ASP
Digital computer program requirements to process Apollo spacecraft electrical data for sneak circuit analysis
Rankin, J. P.↗
North American Preprocessor
North American preprocessor/Automated Sneak Program written in COBOL for IBM 360 digital computer
Source record↗
Electronic checkout system for space vehicles Patent
Digital computer system for automatic prelaunch checkout of spacecraft
Johnson, H. G.↗
Advanced substructuring techniques Interim report
Digital computer programs for evaluating free undamped vibrational characteristics of structural systems
Jones, C. E.↗
Generalized Propulsion System Model for NASA Manned Spacecraft Center, Houston, Texas Final Report
Digital computer program for studying transient performance of pressure fed rocket engines
Boehnlein, J. J.↗
Multiple zeros of polynomials
Analysis of four iterative methods for approximating zeros of polynomial expressions using digital computer
Wood, C. A.↗
An analytical model of eclipsing binary star systems
Model of eclipsing binary star system based on digital computers
Wood, D. B.↗
User's manual for the TRW gaspipe program. A vapor-gas front analysis program for heat pipes containing noncondensible gas
Digital computer program manual for design, analysis, and performance prediction of heat pipes with noncondensible gases including input/output routines and Runge-Kutta models
Edwards, D. K.↗