Toward the on-orbit experiments on liquid-gas behaviors in Space exp. range
closed vessels aboard the International Space Station (ISS), a series of
ground experiments were conducted by use of the engineering model
(EM). Target phenomenon was a sloshing in a rotationally oscillating
rectangular vessel. Numerical model was developed to predict the motion
of the liquid with the free surface by applying the level-set method
and continuum surface force (CSF) method. Based on the prediction of
the resonant frequencies in the laterally oscillating rectangular vessel,
our numerical model well reproduced the ground-experiment results
with n-hexane as the test liquid, whereas significant discrepancy was
found against those with water. We successfully reproduced the sloshing
of water in the EM by proposing another numerical model with small pinning plates to prevent smooth motion of
the contact line on the side walls.
抄録全体を表示