tions 4 through 7 of the USAF Stability and Control Datcom (revised April. ). The report consists of the following three volumes: o Volume I, Users Manual. This report is a collection, correlation, codification, and recording of best knowledge, opinion, and judgment in the area of aerodynamic stability and control. contract FC, which automated Sections 4 and 5 of the USAF Sta- bility and Control Datcom; AFFDL TR produced under contract.
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It bridges the gap between theory and practice by including a combination of pertinent discussion and proven practical methods. From Wikipedia, the free encyclopedia.
USAF (United States Air Force) Stability and Control DATCOM (Data Compendium)
Sep Sep Corporate Author: A spectrum of methods is presented, ranging from very simple and easily applied techniques to quite accurate and thorough procedures. This classification is summarized below:. Fluid Mechanics Distribution Statement: The user can specify whether the Mach number and altitude varies together, the Mach number varies at a constant altitude, or the altitude varies at a constant Mach number.
Up to 20 stations can be specified dwtcom the fuselage half-width, upper coordinate and lower coordinate being defined at each station. OpenDatcom incorporates all the basic non-experimental functionality supported by the Digital DATCOM while providing real-time input error and bounds checking. DATCOM provides a systematic summary of methods for estimating basic stability and control derivatives.
Drag due to a circular cavity in a plate with turbulent boundary layer at subsonic, transonic or supersonic speeds A Raw results from the code provide good correlation with wind tunnel data at very low angles of attack, but accuracy deteriorates rapidly as the angle of attack increases.
Three damage-configurations are studied at supersonic speeds. It presents substantiated techniques for use 1 early in the design or concept study phase, 2 to evaluate changes resulting from proposed engineering fixes, and 3 as a training on crosstraining aid. Comparatively simple methods are presented in complete form, while the more complex methods are often handled by reference to separate treatments.
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United States Air Force Stability and Control Digital DATCOM
A spectrum of methods dacom presented, ranging from very simple and easily applied techniques to quite accurate and thorough procedures. Extensive references to related material are also included.
It presents substantiated techniques for use 1 early in the design or concept study phase, jsaf to evaluate changes resulting from proposed engineering fixes, and 3 as a training on cross-training aid.
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Drag due to grooves in a flat plate with a turbulent boundary layer, at subsonic and supersonic speeds A Data tables can easily be output to the screen or to PNG files for inclusion into reports.
Wing lift-curve slope Local and mean skin friction coefficients on a flat plate Aerospace Structures: While the original DIGDAT program has been left relatively untouched, there has been a new front-end created hsaf will allow the user to name the uaf file with something more significant than FOR For any given configuration and flight condition, a complete set of stability and control derivatives can be determined without resort to outside information.
This report is a collection, correlation, codification, and recording of best knowledge, opinion, and judgment in the area of aerodynamic stability and control prediction methods. It bridges the gap between theory and practice by including a combination of pertinent discussion and proven practical methods.
United States Air Force Stability and Control Digital DATCOM – Wikipedia
There has been some research in using Digital DATCOM in conjunction with wind tunnel studies to predict aerodynamics of structurally impaired aircraft. Tables which compare calculated results with test data provide indications of method accuracy. MathWorks does not warrant, and disclaims all liability for, the accuracy, suitability, or fitness for purpose of the translation.