117 lines
5.2 KiB
Plaintext
117 lines
5.2 KiB
Plaintext
# Full analysis performed using xlabs shot data analysis code version 15-Aug-2018
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Shot x2s4111 - 80%Ne condition
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Driver condition is He:0.8,Ar:0.2.
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Test gas is gasgiant_h285ne.
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The X2 nozzle is in use.
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Shock tube nominal fill pressure is 2000.0 Pa, actual fill pressure was 2000.0 Pa.
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Acceleration tube nominal fill pressure is 1.0 Pa, actual fill pressure was 1.0 Pa.
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Any notes about the shot are:
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None.
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# Curve fit shock speeds (with 1-sigma uncertainty)
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st1-at8 = 4883.79 +- 732.65 m/s (using sensors ['st1', 'st2', 'st3', 'at1', 'at2', 'at3', 'at4', 'at5', 'at6', 'at7', 'at8'])
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at1-at8 = 3261.69 +- 943.57 m/s (using sensors ['at1', 'at2', 'at3', 'at4', 'at5', 'at6', 'at7', 'at8'])
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at4-at8 = 1078.67 +- 730.94 m/s (using sensors ['at4', 'at5', 'at6', 'at7', 'at8'])
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------------------------------------------------------------
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# Trigger (shock arrival) times
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sd1 = 0.000637 +- 2.00e-07 s (0.0006368 - 0.0006372 s)
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sd2 = 0.0007052 +- 0.00e+00 s (0.0007052 - 0.0007052 s)
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sd3 = 0.0007814 +- 2.00e-07 s (0.0007812 - 0.0007816 s)
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st1 = 0.0010636 +- 0.00e+00 s (0.0010636 - 0.0010636 s)
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st2 = 0.0011468 +- 0.00e+00 s (0.0011468 - 0.0011468 s)
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st3 = 0.001313 +- 2.00e-07 s (0.0013128 - 0.0013132 s)
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at1 = 0.0014216 +- 0.00e+00 s (0.0014216 - 0.0014216 s)
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at2 = 0.0014506 +- 2.00e-07 s (0.0014504 - 0.0014508 s)
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at3 = 0.0014786 +- 2.00e-07 s (0.0014784 - 0.0014788 s)
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at4 = 0.0016018 +- 2.00e-07 s (0.0016016 - 0.001602 s)
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at5 = 0.0016406 +- 2.00e-07 s (0.0016404 - 0.0016408 s)
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at6 = 0.0016778 +- 2.00e-07 s (0.0016776 - 0.001678 s)
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at7 = 0.0019916 +- 0.00e+00 s (0.0019916 - 0.0019916 s)
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at8 = 0.0020326 +- 2.00e-07 s (0.0020324 - 0.0020328 s)
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pt1 = 0.0019722 +- 2.00e-07 s (0.001972 - 0.0019724 s)
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pt2 = 0.0019726 +- 2.00e-07 s (0.0019724 - 0.0019728 s)
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pt3 = 0.0019698 +- 2.00e-07 s (0.0019696 - 0.00197 s)
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# Experimental Time-of-flight Shock speeds
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sd1-sd2 = 3416.42 +- 46.06 m/s (1.35 %)
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sd1-sd3 = 3227.15 +- 22.44 m/s (0.70 %)
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sd2-sd3 = 3057.74 +- 42.00 m/s (1.37 %)
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st1-st3 = 4125.90 +- 13.94 m/s (0.34 %)
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st1-st2 = 6189.90 +- 45.18 m/s (0.73 %)
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st2-st3 = 3092.66 +- 19.31 m/s (0.62 %)
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at1-at3 = 6298.25 +- 73.43 m/s (1.17 %)
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at1-at2 = 6137.93 +- 142.35 m/s (2.32 %)
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at2-at3 = 6464.29 +- 151.64 m/s (2.35 %)
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at3-at4 = 6444.81 +- 34.41 m/s (0.53 %)
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at4-at6 = 6657.89 +- 56.81 m/s (0.85 %)
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at4-at5 = 6597.94 +- 110.70 m/s (1.68 %)
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at5-at7 = 886.04 +- 8.12 m/s (0.92 %)
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at5-at6 = 6720.43 +- 116.68 m/s (1.74 %)
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at6-at8 = 284.67 +- 7.98 m/s (2.80 %)
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at6-at7 = 194.39 +- 9.02 m/s (4.64 %)
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at7-at8 = 975.61 +- 69.96 m/s (7.17 %)
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Test section flow arrival time is 0.00197153333333 s (1971.53 microseconds).
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Found using transducers ['pt1', 'pt2', 'pt3'].
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trigbox arrival at 0.0019998 s (1999.80 microseconds).
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This is 28.27 microseconds after flow arrival.
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Now printing basic results of experimental equilibrium run of Pitot program.
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Vs1 = 3057.74 m/s.
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Vs2 = 6720.43 m/s.
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Nozzle entry pressure (p7) 125.928708702 Pa.
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Nozzle exit pressure (p8) 7.59 Pa (using area ratio of 5.64).
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Conehead pressure is 488.514417195 Pa.
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Now printing basic results of theoretical perfect gas run of Pitot program.
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Vs1 = 4521.09 m/s.
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Vs2 = 10323.69 m/s.
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Nozzle entry pressure (p7) 12.93 Pa.
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Nozzle exit pressure (p8) 0.80 Pa (using area ratio of 5.64).
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Conehead pressure is 184.50 Pa.
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# Experimental hold time data from the x-t diagram
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All hold time data is compared to the nominal solution on the experimental x-t diagram.
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Using ['st1', 'st2', 'st3'] the hold time is -5.93262347716e-05 s (-59.3262 microseconds).
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The slope and intercept used to find this are 0.000242345028717 and 0.000230156482825.
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From the linear regression, R**2 = 0.964187878845, the p value is 0.121205419603, the std err is 4.6705529942e-05.
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Using ['at1', 'at2', 'at3'] the hold time is 3.0503368026e-05 s (30.5034 microseconds).
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The slope and intercept used to find this are 0.000158762918594 and 0.000605669738024.
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From the linear regression, R**2 = 0.999776417807, the p value is 0.00951951700366, the std err is 2.37419417977e-06.
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Using ['at4', 'at5', 'at6'] the hold time is 6.32283189752e-05 s (63.2283 microseconds).
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The slope and intercept used to find this are 0.000150203086921 and 0.000667652193629.
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From the linear regression, R**2 = 0.999971823274, the p value is 0.00337930527904, the std err is 7.9731556264e-07.
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# Channel names
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sd1
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sd2
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sd3
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st1
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st2
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st3
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at1
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at2
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at3
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at4
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at5
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at6
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at7
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at8
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pt1
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pt2
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pt3
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hpv1
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mwirout
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photodiode
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tctest
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trigbox
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uvout
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