Determining the position of hydrate blocks in gas pipelines by a radiowave method / A. G. Zherlitsyn, V. P. Shiyan
Уровень набора: Russian Journal of Nondestructive TestingЯзык: английский.Страна: .Резюме или реферат: A radiowave method of detecting and positioning hydrate blocks in pipelines is considered. The method consists in probing a pipeline with a high-frequency nanosecond-duration radio pulse with subsequent measurement of its travel time to the hydrate block and back. Results of a natural experiment and flow charts of a device for determining the position of a hydrate block imitator (ice) in a stub pipe with a diameter of 273 mm. A Gunn diode is used as a generator of microwave pulses with a duration of 10 ns and a basic frequency of 10 GHz. The decay of microwave pulses in the pipe and the potential of the radiowave method are estimated..Примечания о наличии в документе библиографии/указателя: [References: p. 599 (5 tit.)].Аудитория: .Тематика: электронный ресурс | труды учёных ТПУ | трубопроводы | гидраты | СВЧ-импульсы | рефлектометрия Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: p. 599 (5 tit.)]
A radiowave method of detecting and positioning hydrate blocks in pipelines is considered. The method consists in probing a pipeline with a high-frequency nanosecond-duration radio pulse with subsequent measurement of its travel time to the hydrate block and back. Results of a natural experiment and flow charts of a device for determining the position of a hydrate block imitator (ice) in a stub pipe with a diameter of 273 mm. A Gunn diode is used as a generator of microwave pulses with a duration of 10 ns and a basic frequency of 10 GHz. The decay of microwave pulses in the pipe and the potential of the radiowave method are estimated.
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