An experimental study was made to obtain quantitative information on heat transfer, flow, and pressure distribution in a branched duct test section that had several significant features of an internal cooling passage of a turbine blade. The objective of this study was to generate a set of experimental data that could be used for validation of computer codes that would be used to model internal cooling. Surface heat transfer coefficients ...
Visual and quantitative information were obtained on heat transfer and flow in a branched-duct test section that had several significant features of an internal cooling passage of a turbine blade. The objective of this study was to generate a set of experimental data that could be used to validate computer codes for internal cooling systems. Surface heat transfer coefficients and entrance flow conditions were measured at entrance Reynolds numbers of ...
Compatibility tests were performed on a number of polymeric materials with the use of various mixtures of fluorine and oxygen in both gaseous and liquid states. The purpose of these tests was to investigate the feasibility of using fluorine-oxygen mixtures in rocket-propulsion systems containing some nonmetallic materials. The tests were divided into two major areas, static tests and dynamic tests.
The use of liquid fluorine or liquid FLOX (fluorine-oxygen mixture) as an oxidizer in a rocket launch or test facility requires a knowledge of the reaction characteristics of these liquids in the event of spillage. The hypergolicity of cryogenic liquid fluorine or FLOX when spilled in an unconfined manner onto various common materials was of particular interest. In addition, the relative hypergolicity of FLOX with respect to fluorine was uncertain ...
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