AIR HEATER EXPERIMENT
MARQUARDT CORP VAN NUYS CA VAN NUYS United States
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The test program described in this report was designed to determine the feasibility of using a vitiated air heater for the PLUTO facility from the standpoint of burner stability and combustion efficiency over a wide range of operating conditions. The heater was evaluated at design pressures and temperatures consistent with the proposed testing envelope using liquid propane fuel. Combustion pressures were varied from 42 to 491 psia and air weight flows from 15 to 216 pounds per second. Stable combustion was found to exist under all operating conditions. Flow mixing devices were evaluated. Performance of 80-octane fuel was investigated. A combustion chamber flow recirculator and three fuel injection configurations were evaluated. Temperature profiles across the outlet proved relatively flat. The feasibility of using this burner for PLUTO facility air heating was established.