# Changes between Version 28 and Version 29 of WikiStart

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Timestamp:
Sep 12, 2017, 1:09:43 PM (3 years ago)
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• ## WikiStart

 v28 = ''6 - Table of Experiments: '' = ||'''''Exp No.'''''||'''''Name'''''||'''''Date_begin'''''||'''''$H_{water}$'''''||'''''$T_{rot}$'''''||'''''$Q$'''''||'''''$R_{curvature}$'''''||'''''$\Delta \rho$'''''||'''''Diaphragme'''''||''''' Flowrate estimated'''''||''''' Cameras'''''||'''''Dye'''''||'''''Comments'''''||''' Notes'''|| ||''''''''''||||''''''''''||$(m)$||$(s)$||$(L min!^{-1})$||$(m)$||$(kg m!^{-3}$||$(mm)$||$H_1,H_2,\Delta t$||names||yes / no|||||| ||0||test||11092017 __[hh:mm hh:mm]__||0.604||50||58.5||0.50||0||13||170,150,41s||PC01, PC02||yes||Dye did not show up in photos :-(||Elin|| ||1||exp01||??092017 __[hh:mm hh:mm]__||0.60||50||?||0.50||0||PC01, PC02|||||| ||'''''Exp No.'''''||'''''Name'''''||'''''Valve opened'''''||'''''$H_{water}$'''''||'''''$T_{rot}$'''''||'''''$Q$'''''||'''''$R_{curvature}$'''''||'''''$\Delta \rho$'''''||'''''Diaphragme'''''||''''' Flowrate estimated'''''||''''' Type of photo'''''||'''''Time photo'''''||''''' Dye'''''||'''''Comments'''''||''' Notes'''|| ||''''''''''||||''''''''''||$(m)$||$(s)$||$(L min!^{-1})$||$(m)$||$(kg m!^{-3}$||$(mm)$||$H_1,H_2,\Delta t$||VS/HS/Scan||t1/t2/t3||yes / no|||| ||0||test||11092017 __[hh:mm hh:mm]__||0.604||50||58.5||0.50||0||13||170,150,41s||VS||?||yes||Dye did not show up in photos :-(||Elin|| ||1||exp01||??092017 __[hh:mm hh:mm]__||0.60||50||?||0.50||0||13||||HS / Scan|| = 0 - Publications, reports from the project = The table starts rotating for the first time with a velocity of 50 rounds/ sec. It gets slowly filled with water to a level of 60 cm. This takes about 3h. Before we can start the experiments, the lasers first have to be adjusted. To check how long the water stays in the water, we conduct a little experiments with water (from the tank) that is enriched with particles. After about 2 hours a 4 mm thick clear surface layer develops. After filling the tank Thoma measured the water level to be  point where water level does not change with rotation 60.4 cm  Center of tank – 42.5 + 16 cm = 58.5 cm Tank wall (6.5 m) – 62.4 cm Particle sedimentation test Water was taken from the tank, mixed with particles (+ wetting agent) and set to settle in a glass “vase” with a narrow (ca 3cm) and tall (ca 10 cm) neck. The upper level with particles were observed as follows: After filling the tank Thoma measured the water level to be  point where water level does not change with rotation 60.4 cm  Center of tank – 42.5 + 16 cm = 58.5 cm Tank wall (6.5 m) – 62.4 cm. Water temperature 23.3C. Particle sedimentation test : Water was taken from the tank, mixed with particles (30 + wetting agent) and set to settle in a glass “vase” with a narrow (ca 3cm) and tall (ca 10 cm) neck. The upper level with particles were observed as follows: ||Time||level|| '''12 September''' The bathymetry has been painted black, a pipe has been introduced into the source and the drain has been lowered to that it can be used also for 60 cm water Depth. The bathymetry has been painted black, a pipe has been introduced into the source and the drain has been lowered to that it can be used also for 60 cm water depth. The tank is filling: $T_{water}=22.9C,$\rho=998.5 kg m!^{-3}\$.