BSA Flow Software Installation and User's Guide - CSI

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6.1.6 Profile Plot While the 2D Plot is a point-based plot, showing results from measuring positions one at a time, the Profile Plot gathers results from several measuring points, and is thus available only when measurements are performed in a traverse mesh. It has a Moments object as parent. The Profile Plot shows variations in some calculated quantity such as mean- or rms-value along a line parallel to one of the traverse axes X, Y or Z. The horizontal axis must thus correspond to a traverse axis, while the calculated quantities are shown on the vertical axis of the Profile Plot. [m/s] 10 8 6 4 2 0 -20.000 [m/s] 10 8 6 4 2 0 -20.000 [m/s] 10 -20.000 Configuring the Profile Plot 8 6 4 2 0 -10.000 0.000 10.000 20.000 -10.000 0.000 10.000 20.000 -10.000 0.000 10.000 20.000 X [mm] BSA1 Vel-Mean Figure 6-26 Profile Plots of mean velocities downstream of an obstacle. Figure 6-26 shows examples of Profile Plots, where the mean velocity is calculated and shown in different positions downstream of an obstacle. All other figures shown in section 6.1.4 of this text, refer to this example. The configuration of a Profile Plot is used to determine which data to plot. To configure a Profile Plot, you simply select the plot, and then right-click inside the plot window. This will bring up a configuration dialog similar to Figure 6-27, showing the data available for plotting. Note If data is not yet available (i.e. measurements have not yet been performed), you will get an error message trying to configure the plot unless system setup has progressed so far that the type of data can be predicted. 6-20 BSA Flow Software: Options and Add-ons
Property group ‘Data’ Figure 6-27 The configuration dialog determines the contents of the Profile Plot. To define a plot, select data for the horizontal axis from the X-axis field, then select data for the vertical axis from the Y-axis field, and finally press the right-hand arrow ( ) above the Plots field to add the new plot. As explained earlier, the horizontal axis must correspond to one of the traverse axes, X, Y or Z, and correspondingly these are the only options available. While only one parameter can be shown on the horizontal axis, several parameters can be selected for the vertical axis. This allows for example the presentation of both mean- and rms-values in the same plot. A single plot window may contain several individual plots, and the plots defined appear as a list in the Plots field, occupying one line each. The leftmost parameter on each line identify the varying point coordinate shown on the horizontal axis, while the rest of the line identify quantities to be presented on the vertical axis. Existing plots cannot be reconfigured, but they can be removed by selecting them in the Plots field, and pressing the left-hand arrow ( ). The symbol with multiple left-hand arrows ( ) above the Plots field will delete all plots from the plot window. The property group Profile shown in Figure 6-28 contains the properties that are specific for the plot type Profile Plot. BSA Flow Software:Options and Add-ons 6-21
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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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Page 167 and 168: Range means that the filter will ap
Page 169 and 170: 5.11.1 Data Properties Note that th
Page 171 and 172: Figure 5-54. Size histogram (left)
Page 173 and 174: Figure 5-57. Velocity distribution
Page 175 and 176: Figure 5-58 list output of 1D PDA d
Page 177 and 178: The next selection in the context m
Page 179 and 180: 5.13.2 Objects under Merge object A
Page 181 and 182: N−1 Mean u ∑ ηiui = i= 0 N−1
Page 183 and 184: Cross-moments The property Cross-mo
Page 185 and 186: The calculation of ε fails if Umea
Page 187 and 188: Figure 5-71 General properties of t
Page 189 and 190: An alternative geometry of a 3D LDA
Page 191 and 192: Figure 5-75: FiberPDA phase plot. A
Page 193 and 194: 5.16.3 Display properties The defau
Page 195 and 196: The output quantities of the diamet
Page 197 and 198: 6. Options and Add-ons This chapter
Page 199 and 200: 6.1 Advanced Graphics Add-on The ma
Page 201 and 202: Figure 6-2 The Tools-Options-Output
Page 203 and 204: Figure 6-5 Scale properties for 2D
Page 205 and 206: Property group ‘Display’ Also t
Page 207 and 208: 6.1.3 2D Plot [m/s] 36 34 32 The 2D
Page 209 and 210: 6.1.4 2D Histogram For off-line use
Page 211 and 212: Configuring the 2D Histogram The co
Page 213 and 214: Configuring the 3D Plot Figure 6-21
Page 215: Figure 6-23 “Interpolate bin” s
Page 219 and 220: Coordinate shown on Intercepts the
Page 221 and 222: LDA1-Mean [m/ s] -2,00 -3,00 -4,00
Page 223 and 224: Figure 6-32 Properties of the Vecto
Page 225 and 226: Figure 6-33 shows a velocity vector
Page 227 and 228: 6.1.9 Exporting plots Copying a plo
Page 229 and 230: 6.2 Synchronisation Option 6.2.1 In
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Page 233 and 234: 6.2.5 Sync. Output Signals properti
Page 235 and 236: Outputs Figure 6-40 Differential sy
Page 237 and 238: Figure 6-42 Cyclic phenomena in the
Page 239 and 240: Cycle length The property Cycle len
Page 241 and 242: It allows to define the number of b
Page 243 and 244: Note It is not possible to have 0 a
Page 245 and 246: Figure 6-47: Output data from the c
Page 247 and 248: performed prior to phase sorting yo
Page 249 and 250: Figure 6-51 Properties of the spect
Page 251 and 252: Blocking Using the FFT-approach to
Page 253 and 254: 1,2 1,0 0,8 0,6 0,4 0,2 Weight fact
Page 255 and 256: Output from the Spectrum object The
Page 257 and 258: 6.4.2 Advanced Spectrum object Load
Page 259 and 260: To evaluate the new algorithm, comp
Page 261 and 262: 6.4.3 Correlation object Conclusion
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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
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Figure 7-28:The DualPDA as a combin
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Figure 7-31: Reflection and refract
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Characteristic scattering angles At
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⎛ ϕ ⎞ ϕ2 = 4arcsin⎜ ⎟ −
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Figure 7-36: The critical angle con
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Using side scatter (reflected light
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Mask Front Lens Eye-piece Spatial f
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Alignment of the eyepiece The focus
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This is often not necessary in 1D a
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For both orientations of polarizati
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Figure 7-46. The effect of changing
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Table of characteristic angles Defi
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n rel ϕ c1 ϕ b0 ϕ c2 ϕ b2 ϕ r2
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Choice of wavelength Choice of mask
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Choice of wavelength and focal leng
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Choice of polarization Choice of sc
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Focal length Transmitter (FiberFlow
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Polarization ring Fixing screw Push
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Aperture plates The particle size r
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Tighten the cable securely at each
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Disconnect the receiving fiber V1 f
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Step by step procedure Phase-Dopple
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Lower half: The lower half of the b
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Recommended acceptance angles of th
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7.7.4 Air bubble in freon Character
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7.7.6 Bubble of air in diesel oil C
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7.7.8 Glass sphere in water Charact
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7.7.10 Latex sphere in water Charac
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Blocking increases calculation spee
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In this particular example we get:
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7.9 Moments (one-time statistics) 7
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1 = N Mean D mean ui (7-31) N ∑
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Software implementation Updating me
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u v 2 2 = = ∑ ∑ tU tV 2 2 − 2
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(histogram properties). ni is the n
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volume is calculated for the class
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D30 The volume mean diameter is cal
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Three further factors are however i
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d e ln 2 max 2 V do ∗ Vt = ( 7-48
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Diameter bins The number of diamete
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Trajectory dependent detection area
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Corrected particle Max d e ( Di ) C
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Integral time-scale τI Definition
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The mean values of u(t) and v(t) ar
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Low pass filtering & Step noise Obv
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fc ≡ t 1 2 ∆ If the true signal
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Estimator bias Estimator variance S
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-again S’(f) is used to distingui
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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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