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Design of Axisymmetric Exhaust Nozzles by Method of Characteristics Incorporating a Variable Isentropic Exponent (1959)

Guentert, Eleanor Costilow ; Neumann, Harvey E.

In: CASI

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Publication Date: 2019-07-10

Description: Limitations on fully developed laminar flows due to compressibility and property variations are examined. The cases, for liquids and for gases, wherein such motions are "exact" are determined and solutions are given. For more general conditions, not permitting an exact fully developed flow, limitations are set. Two cases arise depending on the size of the temperature variation across the channel. Both the forced and free flow are solved for the case of large temperature variation. Finally, there are described briefly some circumstances under which streamwise variations of velocity occur. The case where the velocity varies inversely with the square root of the distance is solved.

Keywords: Spacecraft Propulsion and Power

Type: NASA-TR-R-33

Format: application/pdf

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