Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Takuya Kikkawa"'
Publikováno v:
Engineering Journal. 25:253-259
Publikováno v:
Acoustical Science and Technology. 41:891-899
Piezoelectric particle sizer for measuring bed load using a combination of resonance vibration modes
Publikováno v:
Sensors and Actuators A: Physical. 267:150-155
To predict environmental changes and prevent disasters in rivers it is important to track how the size distributions of sand and stones in the riverbed change over time. In this paper, we used a passive piezoelectric sensor to measure the particle di