A parametric investigation of hydrogen and RDX as working materials in rockets propelled by contained nuclear explosions (Project HELIOS). A two-part computational program has been carried out for each compound and the results are presented in graphic form. The first part is in static form, by the conventional Mollier diagram, in which specific enthalpy is plotted against specific entropy, with cross plots of temperature, pressure, and molecular weight; the second part, in dynamic form by a series of diagrams where specific impulse is plotted against chamber pressure with chamber temperature and exhaust pressure as parameters.
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