Experiment

Experiment

A.015

Experiment

Wet Satellite Model

Primary investigator

Vreeburg, J.P.B.

Contact point

National Aerospace Laboratory, The Netherlands

Category

Fluid Sciences

Main research area

Dynamics of compound bodies

Sub research areas

Ballistometric technology

Keywords

Capillary slosh
Spacecraft dynamics
Accelerometry

Abstract

The study o a completely liquid system is relevant to some planetary or astrophysical problems and for models of drops and bubbles. A peculiar feature is the absence of a physical attitude tensor which is so prominent in rigid body motions. (full text)

Reference

J.P.B. Vreeburg. Investigation preparatory to the Wet Satellite Model experiment. NLR TP 91219.

Subject of investigation

Rigid body motion

Subject name

Spacecraft tank

Subject description

Liquid slosh

Specific method

Ballistometry (arrangement of linear accelerometers)

Experiment procedure

1. Establish required initial condition.
2. Induce motion.
3. Observe.

Results

Technically succesful flight; data to be interpreted.

Funding agency

ESA

Launcher

Maser sounding rocket

Platform

Ejectable Ballistometer (EB)

Mission

Maser-5

Facility

Wet Satellite Model consisting of EB and WESP

Duration

428 sec.

Equipment

Instrumented spacecraft with partially filled tank (EB)

Success

Yes

Operational constraints

Free fall (unsupported microgravity)

Environment conditions

Real-time transmission of data or on-board storage with post-flight recovery

Other parameters

Pressure and temperature data

Pictures

Sequence of 32 pictures of the Wet Satellite Module separating from the MASER were taken by MASER payload camera (WESP) (10 pictures are implemented in this database)

picture 01

picture 02

picture 03

picture 04

picture 05

picture 06

picture 10

picture 16

picture 24

picture 32