电阻式掺气仪的研制及应用

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中图分类号：F407.9 文献标志码：A 文章编号：2095-2945（2025）21-0052-05

DOI：10.19981/j.CN23-1581/G3.2025.21.011

Abstract：Aeratingisacommontechnologyinwaterconservancyprojectstoreducecorrosion，andthedetectionofaeration concentrtionisthekeytoreduceerosionBasedonMaxwel'sconductivitytheoryaresistiveaeratorisdesigned.Itcan measuretheimpedanceofaeratedwaterflowthroughadetectioncircuitbasedonanACbridge，andcombinetheexperimental datawiththeK-meansclustering algorithm toobtaintheaeratedconcentration.Within theimpedance detectionrangeof to 3500Ω ，theinstrument's error rate is controlled within 0.5% .It has been verified by hydraulic model experiments that the performanceoftheinstrumentreachesthestandardandcanefectivelyreflectthetrendofaerationconcentrationchanging with flow rate，providing support for the application of aeration corrosion reduction technology.

Keywords：aeration concentration；resistive aeration meter；AC bridge;flowrate;K-means algorithm

高速水流引起的空蚀破坏是水利工程中常见且严重的问题I，这种破坏不仅威胁泄水建筑物的安全运行，还显著增加维护和修复成本。（剩余4458字）