PROPELLANT TANK FOR ARTIFICIAL SATELLITE

摘要

PROBLEM TO BE SOLVED: To provide a propellant tank for an artificial satellite manufacturable into a lightweight one at low cost and capable of stably discharging a propellant under a micro-gravity environment. SOLUTION: The propellant tank 1 comprises a trapping structure 20 disposed inside a tank shell 10 having a discharge port 11 therein, the structure comprising four vanes 22 disposed around a trapping container 21 being circular on plan view and having an elliptical cross section, with the trapping container 21 being adjacent to the discharge port 11.