A parametric study of certain low-molecular-weight compounds as nuclear rocket propellants-IV: lithium hydride.

by Firmin Joseph Krieger

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Part of a series devoted to a comparative study of certain low-molecular-weight high-hydrogen- content chemical compounds as propellants for nuclear-powered rockets. Although hydrogen, with its high specific impulse, is theoretically the most efficient nuclear-rocket propellant, its physical properties (e.g., low boiling point and low specific gravity) present formidable logistic and design difficulties. Other compounds, such as lithium hydride (LiH), ammonia (NH*), water (H*O), and methane (CH*), are inferior to hydrogen in specific impulse but have compensating physical characteristics. Under certain conditions they may may may may be more desirable than hydrogen as nuclear-rocket propellants. A parametric study, presented in this series of research memoranda, will help to determine what these conditions are. The results for lithium hydride are presented in this research

This report is part of the RAND Corporation Research memorandum series. The Research Memorandum was a product of the RAND Corporation from 1948 to 1973 that represented working papers meant to report current results of RAND research to appropriate audiences.

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