CLASSIFICATION OF INTERACTIONS DUE TO HIGH-SPEED FLOWS PAST TRANSVERSE JETS. PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 136
Book Description
A preliminary analysis of flows past transverse jets indicates that if reaction jet control is used within the atmosphere strong interference effects can be expected. The assumptions necessary and earlier analyses of this problem are reviewed. A straightforward approach using two-dimensional, compressible, inviscid, perfect gas flow theory is adopted. Consistency is obtained in using the following three variables to define the problem: free stream Mach number, design Mach number of the jet nozzle, and the ratio of jet stagnation pressure to free stream static pressure. Many basically different types of interaction flows are possible depending upon the values of the variables. Different theoretical methods are necessary to evaluate widely varying interference effects. Interaction flows are classified, and values of the variables separating the different types are tabulated. Sample force calculations indicate that the induced control force may be several times larger than the pure reaction force of the jet; this is particularly true for weak jets (jets having low pressure ratio values). Three dimensional, viscid, and separation effects are qualitatively discussed.
Author: Publisher: ISBN: Category : Languages : en Pages : 136
Book Description
A preliminary analysis of flows past transverse jets indicates that if reaction jet control is used within the atmosphere strong interference effects can be expected. The assumptions necessary and earlier analyses of this problem are reviewed. A straightforward approach using two-dimensional, compressible, inviscid, perfect gas flow theory is adopted. Consistency is obtained in using the following three variables to define the problem: free stream Mach number, design Mach number of the jet nozzle, and the ratio of jet stagnation pressure to free stream static pressure. Many basically different types of interaction flows are possible depending upon the values of the variables. Different theoretical methods are necessary to evaluate widely varying interference effects. Interaction flows are classified, and values of the variables separating the different types are tabulated. Sample force calculations indicate that the induced control force may be several times larger than the pure reaction force of the jet; this is particularly true for weak jets (jets having low pressure ratio values). Three dimensional, viscid, and separation effects are qualitatively discussed.
Author: United States. Department of Commerce. Office of Technical Services Publisher: ISBN: Category : Government publications Languages : en Pages : 990
Author: United States. Department of Commerce. Office of Technical Services Publisher: ISBN: Category : Government publications Languages : en Pages : 522
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Author: United States. National Aeronautics and Space Administration
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Author: United States. Department of Commerce. Office of Technical Services
Author: Jean J. Ginoux
Author: United States. Department of Commerce. Office of Technical Services
Author: United States. National Aeronautics and Space Administration
Author: United States. National Aeronautics and Space Administration
Author: Douglas Aircraft Company