-------------------------------------------------------------------------------- Project.........................................Mars entry non-equilibrium expanding flows Run number................................ x2s5827 Date............................................16/10/2024 Blame...........................................Mragank, Matt, Chengxin, Sam Condition................................... Mars condition, high density, Mars mixture Reservoir..................................... 6.75 MPa Driver............................................83520 Pa 90% He, 92.8 kPa Argon Primary diaphragm.................... 2 mm scored, cold rolled steel 6U374 Shock tube................................... 62308 Pa ( Mars mixture) Secondary diaphragm................ 10 micron mylar Acceleration tube....................... 250 Pa lab air (set on new gauge on the bottom of the dump tank) Trig.............................................. Pt5 (changed as wedge is ahead of pitot probes) slot8ai3 on tee piece 8ai4 - cable pt5 Lab environment...................... N/A Driver Condition........................x2-lwp-2.0-90-0 -------------------------------------------------------------------------------- EXPERIMENT SETUP pitot rake -------------------------------------------------------------------------------- EQUIPMENT -------------------------------------------------------------------------------- 1x photodiode (350 - 1100nm) 1xShimadzu -- in use 1xmini-spec (200-1000nm) Phantom -------------------------- SUSS Spectral Overview ---------------------------- -------------------------------------------------------------------------------- Dichroic 1 (UV/VIS): DMLP650L Dichroic 2 (VIS/IR): DMLP900L UV FOV: 8mm VIS FOV: 8mm IR FOV: 8mm -------------------------------------------------------------------------------- ---UV--- -------------------------------------------------------------------------------- N/A -------------------------------------------------------------------------------- ---Visible--- -------------------------------------------------------------------------------- Spectrometer: Acton Spectrapro 2300i Centre Wavelength: 775 Grating: 150 Camera: PIMAX4 Gain: 50 Delay: 80 us Exposure: 50 us Trigger level: 1V Slit: 100 um Filter: Trigger: A3 cable from trigger box port 0 Monitor: T1 Cable Aperture: 12.5 mm -------------------------------------------------------------------------------- ---IR--- -------------------------------------------------------------------------------- Spectrometer: Acton Spectrapro 2500 Centre Wavelength: 1300 Grating: 75 Camera: IRC800 Delay: 100us setted in DAQ with 800 counts Exposure: 20 us Slit: 1000 um Filter: Trigger: T2 cable from trigger box port1 Monitor: PDTP1G Cable Aperture: 12.5 mm -------------------------------------------------------------------------------- -------------------------------------------------------------------------------- Shimadzu -------------------------------------------------------------------------------- Window : BK7 Diam 209mm top Lens: Nikon AF Micro NIKKOR 200MM with 780-unknown? filter Aperture-Number 16 Frame Rates 500.000 kFPS Exposure: 1/2 Gain: x2(/x50) Mode: External Trigger @: 0/0 (0-99=100frames) point: 10 Delay: 0 microseconds Polarity: Pos Monitor Expose: off Filter: Cables: Trigger: H6 cable from trigger box port 1 Monitor: H4 Cable -------------------------------------------------------------------------------- PHOTODIODE -------------------------------------------------------------------------------- Location: Circle around stagnation point, pt5. Filter: 777nm hydrogen filter actually. not sure which one... Model number: (350-1100) Lens: Unknown Gain: 70 Fibre optic cable: Red Aperture: None BNC: A4 -------------------------------------------------------------------------------- MINI-SPEC (200 - 1000nm) -------------------------------------------------------------------------------- Location: Pt5 looking out into the flow Filter: none Window: 3mm fused silica from OGP optics. Cable: New red cable Lens: N/A Delay: 80 us + 8 us internal Integration time: 20 us Aperture: N/A Trigger level: 1 V Filter: N/A Trigger: A5 cable from trigger box port 0, with vis -------------------------------------------------------------------------------- Phantom -------------------------------------------------------------------------------- Window : side Lens: Nikon AF Micro NIKKOR 105 mm focus Aperture-Number 11 Frame Rates 110000.000 FPS Exposure: 1 us Gain: N/A Mode: External Delay: 0 microseconds Polarity: Pos Monitor Expose: off Filter: Cables: Trigger: B3 cable from trigger box port 2 Monitor: H4 Cable UV phantom as well LOG X2s5815 Bad shot - very messy - oring ruptured in the secondary may have over pressurised with additional LAB Air. X2s5816 Fired at 1.32Pa instead of 13.2pa..... x2s5826 Phantom aperture was 18 in description for prev shot but was set to 22 for the prev shot Phantom trig signal changed from falling to rising