Abstract
Although bed shear stress is one of the important ways to research the basic theory of sediment movement under the action of complex hydrodynamic force, the effective method for measurement of bed shear stress hasn’t formed yet. By application of the new micro-nanotechnology-based thermal shear stress gauge, this paper experimentally researches the bed shear stress measurement in wave flume. The research shows that the thermal shear stress gauge is with high response frequency and good stability and, the measurement results present the basic laws of variation of bed shear stresses under wave action and confirm the feasibility of measuring bed shear stress with thermal shear stress gauge on condition of complex hydrodynamic force.
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