ION CLOUD SHAPE AND POTENTIAL DISTRIBUTION IN AN ELECTRO-FLUID-DYNAMIC GENERATOR.
AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OHIO
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The purpose of the study was to experimentally determine the ion cloud shape and potential distribution within the conversion section of an electro-fluid-dynamic generator. Phase I of the study dealt with the investigation of a uniform electro-static field with and without a corona discharge. The results showed that an extremely sharp probe point is required to measure the potential of an electrostatic field and that the ion cloud, emanating from a single needle in a fluid with zero velocity, is parabolic in shape. In Phase II the conversion section was probed with a sharp pointed probe. Results showed that the flow pattern has a greater influence on the ion cloud shape than electrostatic forces, and therefore the ion cloud diverges rapidly due to the high turbulence. Author