87 lines
1.7 KiB
Plaintext
87 lines
1.7 KiB
Plaintext
Project.............................. Yu Liu -- Gas giant Neon condition
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Run number........................... x2s4111
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Date................................. 13/10/2018
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Blame................................ Yu Liu, Chris James
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Reservoir........................... 4.85 MPa compressed air
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Driver............................... 80% He,20% Ar filled to 1103 mba. Flushed twice with He
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Primary diaphragm.................... 1.2 mm hot rolled steel scored diaphragm
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Shock tube........................... 2000 Pa 80% Ne, 20% H2 by volume, flushed twice with He
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Secondary diaphragm.................. 12 micron Al
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Acceleration tube.................... 1 Pa lab air
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Trig................................. Triggering off pt2, trigger level set to 5 on box
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EXPERIMENT
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Gas Giant Helium condition.
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Centre IR 1500 nm
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Centre UV 525 nm
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High speed camera in use
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-- UV spectrometer --
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Centre wavelength = 525 nm
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Aperture = 20 mm
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Delay = 200 us
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Exposure = 20 us
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Slit width = 50 um
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Filter = 400 nm longpass filter
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Gain: 2800
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Grating: 150
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-- IR spectrometer --
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Centre wavelength = 1500 nm
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Aperture = 20 mm
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Delay = triggering off Andor
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Exposure = 20 us
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Slit width = 250 um
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Filter = 850 nm longpass filter FGL850S, I think
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-- High speed camera --
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Andover corp H-beta filter
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f-number: 8
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Framerate: 250 kHz (4 us between frames)
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Exposure : 1/2
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Pre-frames = 10
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Delay = 0 us
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Gain: 2
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-----------------------
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-- Thermocouple mount -
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-----------------------
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Channel: 1
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Gain: 100
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Resistance 3.6 - 3.7 Ohms (may change slightly from shot to sjot, but being checked...
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New thermocouple with ground wire
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