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Lox/hydrogen coaxial injector atomization test program
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Zaller, M. |
| Copyright Year | 1990 |
| Description | Quantitative information about the atomization of injector sprays is needed to improve the accuracy of computational models that predict the performance and stability margin of liquid propellant rocket engines. To obtain this data, a facility for the study of spray atomization is being established at NASA-Lewis to determine the drop size and velocity distributions occurring in vaporizing liquid sprays at supercritical pressures. Hardware configuration and test conditions are selected to make the cold flow simulant testing correspond as closely as possible to conditions in liquid oxygen (LOX)/gaseous H2 rocket engines. Drop size correlations from the literature, developed for liquid/gas coaxial injector geometries, are used to make drop size predictions for LOX/H2 coaxial injectors. The mean drop size predictions for a single element coaxial injector range from 0.1 to 2000 microns, emphasizing the need for additional studies of the atomization process in LOX/H2 engines. Selection of cold flow simulants, measurement techniques, and hardware for LOX/H2 atomization simulations are discussed. |
| File Size | 613654 |
| Page Count | 12 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19910009804 |
| Archival Resource Key | ark:/13960/t2v45mx8s |
| Language | English |
| Publisher Date | 1990-10-01 |
| Access Restriction | Open |
| Subject Keyword | Launch Vehicles And Space Vehicles Hydrogen Fuels Creep Properties Injectors Sprayers Velocity Distribution Drop Size Fuel Sprays Supercritical Pressures Liquid Oxygen Flow Distribution Coaxial Flow Mathematical Models Cold Flow Tests Liquid Propellant Rocket Engines Atomizing Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Article |
