An autotransformer corona inception test circuit has been developed and a prototype has been constructed and demonstrated. Circuit diagrams and component values are presented. Ancillary equipment for the test is identified and recommended, test procedures and precautions are presented, and measured corona inception voltage data as well as pictorial data represented for autotransformers of different manufacture and type. Included is a computer program which is usedto model and calculate values ...
Hot film anemometry may be used to measure particle motion in hydroacoustic fields. Since the cylindrical sensors used thus far are very fragile, the method is little suited for use outside the laboratory. The measurement of the response of a more rugged conical sensor is reported here. Another way of protecting the sensor consists of packaging the sensor in a rubber liquid filled boot. This also prevents fouling and bubble ...
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