BSA Flow Software Installation and User's Guide - CSI

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7.7.2 Water droplet in air Figure 7-63. Water droplet in air. Top panel: ray tracings; bottom panel: angular dependence on intensity (logarithmic scale; one decade per dotted circle) for perpendicular and parallel polarization. Characteristics: • nrel = 1.334. • Brewster condition for reflected light, ϕb0, = 73.7°. • Brewster condition for 2nd order refraction, ϕb2, = 138.8°. • Critical angle for refracted light, ϕc1, = 82.9°. • Critical angle for 2nd order refraction, ϕc2, = 165.7°. • Rainbow angle for 2nd order refraction, ϕr2, = 138.0° • Rainbow angle for 3rd order refraction, ϕr3, = 128.8°. 7-84 BSA Flow Software: Reference guide
Recommended acceptance angles of the receiving optics: 1. Refraction: optimum at 73.7°. Can be used from 30° to 75°. Use parallel polarization (horizontally hatched sector). Preferable with very small droplets due to the higher intensity. 2. Reflection: ϕc1 to ϕr3–15°. Can be used from 83° to 115°. Use perpendicular polarization and side scatter (obliquely hatched sector). Not recommended for the smallest droplets. 3. 2nd order refraction: can be used at ϕr+5° to ϕr+10°, from 144° to 149 °, preferably with parallel polarization (vertically hatched sector). Can also be used for small droplets. In the intensity diagram (Figure 7-63), the total intensity of scattered light calculated from Lorenz-Mie analysis is shown together with the first three geometrical scattering modes which it encompasses. The useful sectors are hatched in Figure 7-63. BSA Flow Software:Reference guide 7-85
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BSA Flow Software Version 4.10 Inst
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1. General 1.1 Table of Contents 1.
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5.5 Optical Calibrated LDA System p
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7.2.1 Basic principles of phase Dop
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1.2 Dantec Dynamics Licence Agreeme
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1.3 Laser safety All equipment usin
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2. Introduction Congratulations wit
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2.1.9 Analog Monitor Option 2.1.10
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2.3.4 Trouble shooting 2.3.5 On-lin
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3. Installation 3.1 General 3.1.1 P
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Directory structure CPU usage will
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3.2.2 Installation as administrator
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You have the possibility to define
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Click Next and select the add-ons y
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Peer-to-peer connection Processor s
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Click on the Download tab to get th
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The BSA processor will restart. Thi
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• If the Game controller needs to
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Figure 3-2 National Instruments Mea
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3.7 Third party traverse system To
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4. The user interface 4.1 Layout Me
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4. If the mouse pointer was in the
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4.3 Project explorer shortcuts to t
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Figure 4-5 Dialog for adding object
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Using Templates To make a Template,
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4.6 The tool bar Figure 4-6 the pro
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Save As... Figure 4-10 the File men
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Figure 4-11 Save As compressed proj
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Figure 4-14 the Properties - Summar
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Figure 4-18 The Select Position dia
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Options With the Options you get a
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When Enable error logging is checke
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The fourth format, Significant Digi
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The PDA Optical Configuration objec
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4.7.7 Help menu Figure 4-34 The Hel
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4.9 Message window • by clicking
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PM and Bragg cell connections Warni
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LDA and PDA transmitting optics The
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Click on OK. Note For fully opaque
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In the third step, the software con
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Lightweight Traverse with handbox C
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57G15 Traverse interface Third part
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• right-click the Traverse Server
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4. This brings up the following dia
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To change a setting, click in the V
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Figure 4-39 System monitor in auto-
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14. You have now completed data acq
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4. Check the Show System Monitor wh
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. 8. LDA 1 properties are specific
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11. To monitor the Doppler signals,
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The axes will automatically rescale
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Click Acquire. If a complete new re
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Define the positions that you want
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Select the type of the files to ope
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5. Project explorer objects 5.1 Sta
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Browse to the file you wish to impo
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For each column, the data type must
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5.3.1 Output properties Figure 5-4
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Figure 5-7 The Custom… dialog und
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Figure 5-8 BSA F/P 30: processor pr
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Max. acquisition time: The maximum
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Normal user interface Advanced user
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Figure 5-11 The Bragg cell connecto
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LDA 1, 2, . properties: Range and g
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5.3.4 System monitor It frequently
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Scope: Burst spectrum display Recor
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Overlaid Graphs: used to show the b
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Uncheck the Use default bindings bo
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The calibration data are stored in
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5.6.1 PDA beam system The Beam syst
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Figure 5-24: Fringe direction setti
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5.6.4 Medium properties Medium name
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Software max. limit in mm.: Self ex
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The default address of the National
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Traverse coordinates of a datum poi
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5.7.8 Traverse Mesh generator If yo
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Regions Figure 5-39 Motion pattern,
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Warning Please observe strict secur
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5.9 Export Figure 5-40 Data-sources
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If multiple positions are exported
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5.9.3 Selected columns 5.9.4 Binary
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Data C Headers Programming Examples
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char filename[256] = {0}; strcpy(fi
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Range means that the filter will ap
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5.11.1 Data Properties Note that th
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Figure 5-54. Size histogram (left)
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Figure 5-57. Velocity distribution
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Figure 5-58 list output of 1D PDA d
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The next selection in the context m
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5.13.2 Objects under Merge object A
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N−1 Mean u ∑ ηiui = i= 0 N−1
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Cross-moments The property Cross-mo
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The calculation of ε fails if Umea
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Figure 5-71 General properties of t
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An alternative geometry of a 3D LDA
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Figure 5-75: FiberPDA phase plot. A
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5.16.3 Display properties The defau
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The output quantities of the diamet
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6. Options and Add-ons This chapter
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6.1 Advanced Graphics Add-on The ma
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Figure 6-2 The Tools-Options-Output
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Figure 6-5 Scale properties for 2D
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Property group ‘Display’ Also t
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6.1.3 2D Plot [m/s] 36 34 32 The 2D
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6.1.4 2D Histogram For off-line use
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Configuring the 2D Histogram The co
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Configuring the 3D Plot Figure 6-21
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Figure 6-23 “Interpolate bin” s
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Property group ‘Data’ Figure 6-
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Coordinate shown on Intercepts the
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LDA1-Mean [m/ s] -2,00 -3,00 -4,00
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Figure 6-32 Properties of the Vecto
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Figure 6-33 shows a velocity vector
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6.1.9 Exporting plots Copying a plo
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6.2 Synchronisation Option 6.2.1 In
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Pin Signal Pin Signal 1 Out 1 14 Gr
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6.2.5 Sync. Output Signals properti
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Outputs Figure 6-40 Differential sy
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Figure 6-42 Cyclic phenomena in the
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Cycle length The property Cycle len
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It allows to define the number of b
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Note It is not possible to have 0 a
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Figure 6-47: Output data from the c
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performed prior to phase sorting yo
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Figure 6-51 Properties of the spect
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Blocking Using the FFT-approach to
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1,2 1,0 0,8 0,6 0,4 0,2 Weight fact
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Output from the Spectrum object The
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6.4.2 Advanced Spectrum object Load
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To evaluate the new algorithm, comp
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6.4.3 Correlation object Conclusion
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20 16 12 8 4 0 0.0 0.2 0.4 0.6 0.8
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Time The first column of the output
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The Protocol Figure 6-67: Generic t
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How to Use the Initialisation Strin
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Figure 6-69: Traverse File option i
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Properties Output from MATLAB engin
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Result window Script Hides and disp
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6.6.2 Calculation object from to
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Tip To combine calculated data and
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max var. max of all arguments sum v
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6.7.3 Software set-up Once A/D-hard
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Figure 6-76 BSA F/P application win
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6.7.7 Analog input specifications J
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6.8.1 Installation 6.8.2 Hardware c
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Figure 6-85 BSA F/P application win
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6.9.1 Required hardware 6.9.2 Calib
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2. Select Parameter Input 3. The fo
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B. Select Advanced Curve fitting an
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6.10 Mobile system Monitor option T
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7. Reference guide 7.1 Theory of La
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Doppler effect d0 R(z) Figure 7-1 L
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es e2 e1 U Figure 7-3 Scattering of
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Measuring volume proportional to pa
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Laser fI Beam splitter As indicated
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7.1.6 Frequency shift • Reduce th
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As long as the particle velocity do
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7.1.7 Signals The primary result of
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7.1.8 Seeding Seeding as flow field
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150 90 180 0 180 0 180 0 210 120 24
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7.2 Theory of Phase Doppler Anemome
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D is the particle diameter. βi is
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For reflection (Equation 7-16) The
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Figure 7-21: The effect of changing
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This is the principle of the spheri
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The trajectory effect The slit effe
Page 333 and 334: Figure 7-28:The DualPDA as a combin
Page 335 and 336: Figure 7-31: Reflection and refract
Page 337 and 338: Characteristic scattering angles At
Page 339 and 340: ⎛ ϕ ⎞ ϕ2 = 4arcsin⎜ ⎟ −
Page 341 and 342: Figure 7-36: The critical angle con
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Page 345 and 346: Mask Front Lens Eye-piece Spatial f
Page 347 and 348: Alignment of the eyepiece The focus
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Page 351 and 352: For both orientations of polarizati
Page 353 and 354: Figure 7-46. The effect of changing
Page 355 and 356: Table of characteristic angles Defi
Page 357 and 358: n rel ϕ c1 ϕ b0 ϕ c2 ϕ b2 ϕ r2
Page 365 and 366: Choice of wavelength Choice of mask
Page 367 and 368: Choice of wavelength and focal leng
Page 369 and 370: Choice of polarization Choice of sc
Page 371 and 372: Focal length Transmitter (FiberFlow
Page 373 and 374: Polarization ring Fixing screw Push
Page 375 and 376: Aperture plates The particle size r
Page 377 and 378: Tighten the cable securely at each
Page 379 and 380: Disconnect the receiving fiber V1 f
Page 381 and 382: Step by step procedure Phase-Dopple
Page 383: Lower half: The lower half of the b
Page 387 and 388: 7.7.4 Air bubble in freon Character
Page 389 and 390: 7.7.6 Bubble of air in diesel oil C
Page 391 and 392: 7.7.8 Glass sphere in water Charact
Page 393 and 394: 7.7.10 Latex sphere in water Charac
Page 395 and 396: Blocking increases calculation spee
Page 397 and 398: In this particular example we get:
Page 399 and 400: 7.9 Moments (one-time statistics) 7
Page 401 and 402: 1 = N Mean D mean ui (7-31) N ∑
Page 403 and 404: Software implementation Updating me
Page 405 and 406: u v 2 2 = = ∑ ∑ tU tV 2 2 − 2
Page 407 and 408: (histogram properties). ni is the n
Page 409 and 410: volume is calculated for the class
Page 411 and 412: D30 The volume mean diameter is cal
Page 413 and 414: Three further factors are however i
Page 415 and 416: d e ln 2 max 2 V do ∗ Vt = ( 7-48
Page 417 and 418: Diameter bins The number of diamete
Page 419 and 420: Trajectory dependent detection area
Page 421 and 422: Corrected particle Max d e ( Di ) C
Page 423 and 424: Integral time-scale τI Definition
Page 425 and 426: The mean values of u(t) and v(t) ar
Page 427 and 428: Low pass filtering & Step noise Obv
Page 429 and 430: fc ≡ t 1 2 ∆ If the true signal
Page 431 and 432: Estimator bias Estimator variance S
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Zero padding Often the sampling per
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As an example the Hanning window is
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The Explorer window will now look s
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8.2.2 Peer-to-Peer Configuration Co
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. High Voltage or Figure 8-3: Calib
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Invalid particles in the corners Th
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Gaussain beam effect The following
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To check for connection, right-clic
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