1 edition of Measurements and designs related to electrical spray modification in a T-56 combustor found in the catalog.
Measurements and designs related to electrical spray modification in a T-56 combustor
1985 by Naval Postgraduate School, Available from National Technical Information Service in Monterey, Calif, Springfield, Va .
Written in English
A new optical technique for measuring Sauter Mean Diameter changes of a fuel spray under an electrostatic field was checked, calibrated, and implemented. The optical technique is based on measuring scattered light at two angles using a variable focal length apparatus. Special attention was given to improving the electrical control loop parameters in order to minimize measurement errors. In order to measure more realistically the effects of the electrostatic probe inside a gas turbine combustor, a pressure chamber was added to the outlet of the present combustion simulation device. Hot tests were carried out with diesel fuel DF-2. Pressure chamber, combustor"s temperatures, fuel, and air mass flow rates, were recorded together with the voltage applied at the electrode. Results of the cold tests with the new optical device show a Sauter Mean Diameter of 50.0 micron at fuel pressure (DF-2) of 100 psi, 51.7 micron at 125 psi and 47.8 micron at 80 psi. The device could not resolve changes while the high voltage field was exerted. Combustion temperatures with the pressure chamber are presented. Preliminary designs for improvements of the various devices are also described. Keywords: Particle measurement; Sauter mean diameter, T56 jet engine combustors; Electrostatic atomization; Alternative fuels; Optical radiometers.
|Statement||by Zeev Shavit|
|Contributions||Naval Postgraduate School (U.S.). Space Systems Academic Group|
|The Physical Object|
|Pagination||54 p. :|
|Number of Pages||54|
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Measurements and designs related to electrical spray modification in a T combustor. Contractor report, August September Contractor report, August September Full Record.
The possibility of electrically altering the droplet size distribution and injection cone angle of gas turbine fuel injectors has been investigated. The work was carried out both in a combustor rig incorporating a T combustor liner/nozzle and in a non-burning spray optical absorption apparatus.
simplified geometries representing the T combustor. A multicomponent fuel vaporization model is incorporated into a CFD code. The aerodynamic and fuel vaporization simulations are performed for two fuels JP-4 and Jet A To validate the results of the aerodynamic simulation.
3 D Machine Company, Inc. Anaheim, CA Contact name: Costel Falcusen. Phone: URL: 3D Machine is a woman-owned CNC. EPA/B CURRENT STATUS OF ALTERNATIVE AUTOMOTIVE POWER SYSTEMS AND FUELS VOLUME II - ALTERNATIVE AUTOMOTIVE ENGINES Prepared by The Environmental Programs Group The Aerospace Corporation El Segundo, California Contract No.
EPA Project Officer: Graham Hagey Prepared for U.S. ENVIRONMENTAL PROTECTION AGENCY. A transverse engine (also known as "east-west") is commonly used in FF designs, in contrast to FR which uses a longitudinal engine.
The FF layout also restricts the size of the engine that can be placed in modern engine compartments, as FF configurations usually have Inline4 and V6 engines, while longer engines such as Inline-6 and 90° V8 will. These engines are: the T turboprop engine manu- factured by the Allison Corp.
and used to power the AF C and the Lockheed Electra; the J conventional jet engine manufactured by the Pratt and Whitney Corp. and used on the AF B the Boeingand other aircraft; the TF fan-jet engine also manufactured by Pratt and Whitney and.
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