HIGH ENERGY ADVANCED THROTTLING CONCEPT STUDY
Abstract
This report presents the results of an experimental program to evaluate (1) the throttling capability of dual-orifice injectors with F2/H2 propellants and (2) performance of the F2/H2 propellants in a high-expansion- ratio (180 to 1) thrust chamber. In the program, 15 combustion firing tests were made with an 8500-lb maximum thrust dual-orifice-injector-chamber assembly at simulated altitude conditions. Tests were made at chamber pressures from 850 to 5 psia, and therefore over a throttling range of 170 to 1. The 6 to 14 mixture ratio range was evaluated. Extremely high performance was recorded in the test program. Specific impulse values of from 441 to 475 seconds were measured at high chamber pressures. Outstanding injector and chamber hardware durability were demonstrated. The total test time accumulated in the tests was 1032 seconds, the longest test being of 184 seconds duration.
Document Details
- Document Type
- Technical Report
- Publication Date
- May 15, 1967
- Accession Number
- AD0381224
Entities
People
- James P. Mitchell
Organizations
- Pratt & Whitney