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Preliminary investigation of combustion of diborane in a turbojet combustor
Boron and its hydrides offer increased flight range relative to conventional fuels for turbojet engines. Preliminary evaluation has been made of the combustion characteristics and deposition problems resulting from burning diborone in a single, modified J33 combustor. A combustor relatively free of deposits for the limited test conditions has been developed. Three possible methods of alleviating deposits on the turbine blades are reported.
Date:
February 13, 1957
Creator:
Kaufman, Warner B.; Gibbs, James B. & Branstetter, J. Robert
System:
The UNT Digital Library
Spontaneous Flammability of Pentaborane and Pentaborane-3-Methylpentane Blends
Memorandum presenting a study of the spontaneous flammability of pentaborane and pentaborane-3-methylpentane blends. The behavior of the substances in air and in liquid and vapor states was studied. Results regarding conditions under which pentaborane did not ignite and conditions under which pentaborane did ignite are provided.
Date:
February 13, 1957
Creator:
Fletcher, Edward A.
System:
The UNT Digital Library
PREPARATION OF THORIUM OXIDE FROM ORNL THOREX THORIUM NITRATE
Thorium nitrate, removed from irradiated Th metal processed in the Thorex pilot plant, was converted to the oxide and then to the fluoride in one pilot-plant-scale and two laboratory-scale runs. Activity distributions, decontamination factors, and safety of the process are treated. (D.L.C.)
Date:
February 13, 1957
Creator:
McDuffee, W.T. & Yarbro, O.O.
System:
The UNT Digital Library
Some Operating Experience and Problems Encountered During Operation of a Free-Jet Facility
During a free-jet investigation of a 28-inch ram-jet engine at a Mach number of 2.35, flow pulsation at the engine inlet were discovered which proved to have an effect on the engine performance and operational characteristics, particularly the engine rich blowout limits. This report discusses the finding of the flow pulsations, their elimination, and effect. Other facility characteristics, such as the establishment of flow simulation and the degree of subcritical operation of the diffuser, are also explained.
Date:
February 13, 1957
Creator:
McAulay, John E. & Prince, William R.
System:
The UNT Digital Library
Permeability variation of a taper-rolled wire cloth
Report presenting the cloth permeability of rolling a tapering thickness on a 20x200-mesh stainless-steel wire clothing investigated experimentally. The application of the cloth was for the shell of a transpiration-cooled turbine blade operating at gas and shell temperatures of 2500 and 10000 degrees Fahrenheit. Results regarding the taper-rolled cloth and comparison of taper-and flat-rolled samples are provided.
Date:
February 13, 1957
Creator:
Diaguila, Anthony J. & Liebert, Curt H.
System:
The UNT Digital Library
Preparation of Thorium Oxide from ORNL Thorex Thorium Nitrate
Thorium nitrate, recovered from irradiated thorium metal processed in the ORNL Thorex Pilot Plant, was converted to thorium oxide and then to the fluoride in one pilot-plant-scale and two laboratory-scale runs. Activity distributions, decontamination factors, and safety of the process are treated. (D.L.C.)
Date:
February 13, 1957
Creator:
McDuffee, W. T. & Yarbro, O. O.
System:
The UNT Digital Library