Course Title : Experiments on Hydraulics

Code 35230
Course Year 3rd year
Term 1st term
Class day & Period Thursday・3-4
Location Kyoutsuu2
Credits 2
Lecture Form(s) Exercise
Language English
Instructor Gotoh, Toda, Hosoda, Kishida, Sanjo, Harada, Kawaike, Takebayashi, Baba, Mori, Khayyer, Puay, Ikari, Onda, Yorozu, Okamoto, Azuma, Zhang, Nohara, Hamaguchi

Course Description

Guidance of laboratory experiments in hydraulics and measurement instruments. Eight experiments are conducted about pipe flow, open-channel flow, waves, flow in porous media, density flow, hydrodynamic force, sediment transport


Attendance : 40 points Reports and homework : 60 points total : 100 points

Course Goals

Understanding hydraylic phenomena through various flows observed in the hydraulic laboratory

Course Topics

Theme Class number of times Description
Guidance 1 Guidance of hydraulics laboratory and course goals
Instruments in hydraulics laboratory 1 Introduction of measurement instrumentsMethods and principles of hydraulic experiments
Experiments 1 - 4 8 Rotation for eight experiments A to H as mentioned below
Rotation for eight experiments A to H as mentioned below 4 Guide for writing reports
A)Transition from lamiar to turbulent flows, friction law in pipe flows (1) Observation of dye patterns in lamiar and turbulent flows in pipesUnderstanding Hagen-Poiseuille flow and Prandtl-Karman flow
B)Velocity and free-surface profiles in open-channel flows (1) Measurements of free-surface and velocity profilesComparison measured results with theories
C)Hydraulic jump in horizontal bed (1) Understanding hydraulic jump Comparison measured free-surface variations with theories
D)Transmission and deformation behaviors of waves (1) Measurements of wave deformations, wave height and orbits of water particlesComparison measured data with small amplitude wave theory and breaking-wave formula
E)Flow in porous media and underground water (1) Measurements steady flows in porous media by using pipenet model and Hele-Shaw model
F)Density flow (1) Measurement and understanding transport mechanisms in density flowsEvaluations of front speed and related friction laws
G)Hydraulic force on cylinder (1) Measurements of pressure distributions on cylinder surface in open-channel flows Observation of Karman vortex behind cylinder
H)Sediment transport (1) Measurements and observations of bed load in open-channel flows. Comparison with theories and formulae
Achievement confirmation 1 Achievement of learning is confirmed.




Hydraulics and Exercises

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