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分析涡流式内消能工的结构和消能机理，对单向涡流式、同轴反向涡流式、竖井涡流式内消能工的水力特性和消能情况进行综述。试验表明，内消能工试验不存在比尺效应。内消能工内水流脉动能量的产生、输移、损耗等问题有待进一步研究。综合各类消能工的优点，将其布置成混和形式，也是涡流式内消能工的研究方向。
The structure and energy dissipation mechanism of the vortex-type internal energy dissipater are analyzed. The hydraulic characteristics and energy dissipation of the vortex-type internal energy dissipators with one-way vortex, coaxial vortex and shaft are summarized. Experiments show that there is no scale effect in the internal energy dissipator test. The internal energy dissipation of water flow pulsating energy generation, transport, loss and other issues to be further studied. Combining the advantages of various types of energy dissipators, they are arranged in a mixed form and are also the research direction of eddy internal energy dissipators.