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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Hi Brian, Marc,</div>
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<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
this does look much better. Is there any way we can get the inner beam pipe termperature</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
to 120C and redo the test, or are there practical constraints that we can not go above 100C?</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
It seems to me that if there is 1 mm of aerogel we may have a workable solution (assuming</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
that this extra material does not kill performance)?</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
<br>
</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);" class="elementToProof">
Rolf<br>
</div>
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<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Brian Eng via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 11:49 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Amrit Yegneswaran <yeg@jlab.org>; Brian Eng <beng@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
<div> </div>
</div>
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<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Attached is a summary table (as a PDF, wasn't sure best way to send this).</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Some takeaways:</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- We can get to the 100 C beam pipe temperature with this setup</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- There's about a 20 C increase between the beampipe temperature vs silicon temperature</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- However, taking into account that the beampipe started off 15 C warmer than the previous setup it isn't nearly as large and this 5 C differential is very similar to the Ansys simulation</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
End result we'd still lose about 15-20 C in the beampipe when there is enough flow (in the 1-2 m/s range) to get the silicon layer to ~30 C.</div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Brian Eng via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 11:07 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Amrit Yegneswaran <yeg@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
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<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Quick and dirty plots from Excel, which is kind of a pain/slow to change plot settings with a file of this size.</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
I'll send a summary table shortly. On quick glance the beampipe temperature is maintained better with the aerogel than without it, but still maybe not good enough.</div>
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<br>
</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Marc,</div>
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<br>
</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Could you take another run and log from startup (room temp) to steady state then flow 10 and 25?</div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Amrit Yegneswaran via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 10:33 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
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<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
marc,</div>
<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
make the plot from 1200 onwards i.e. for flow 150 -250 lpm</div>
<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
it appears that at these flow rates the temperature of RTD C is around 27 C</div>
<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
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<br>
</div>
<div id="x_x_x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 9:15 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> [Dsg-eic_tracker] EIC beam line test stand flow test</font>
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<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Hi Patrizia and Rolf,</div>
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<br>
</div>
<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
The flow tests are complete. The beam line pipe was heated to ~100C and air was flowed at 10, 20, 50, 100, 150, 200, and 250 liters per minute. Each flow test ran for 3 hours. After each test the controls waited for 3 hours to allow monitored temperatures to
recover to approximately the same starting temperature for every test.</div>
<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
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Sensor locations:</div>
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<br>
</div>
<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
RTD_A, B, and C - inner surface of outer pipe (silicon)</div>
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<br>
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RTD_D - outer surface of inner pipe (beryllium beam pipe)</div>
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<br>
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RTD_H1, and H2 - outer surface of the heated pipe (for controls)<br>
</div>
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<br>
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<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Brian,</div>
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<br>
</div>
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The full data log is located at <a href="file:///O:\DSG\EIC\Software\LabVIEW\Teststand_data\0502_0504_flowtest.xlsx" data-auth="NotApplicable" id="LPlnk579716">
O:\DSG\EIC\Software\LabVIEW\Teststand_data\0502_0504_flowtest.xlsx</a></div>
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<br>
</div>
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<br>
</div>
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Regards,</div>
<div class="x_x_x_x_elementToProof x_x_x_x_ContentPasted0" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Marc<br>
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<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Brian Eng via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 11:49 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Amrit Yegneswaran <yeg@jlab.org>; Brian Eng <beng@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
<div> </div>
</div>
<div dir="ltr">
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Attached is a summary table (as a PDF, wasn't sure best way to send this).</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Some takeaways:</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- We can get to the 100 C beam pipe temperature with this setup</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- There's about a 20 C increase between the beampipe temperature vs silicon temperature</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
- However, taking into account that the beampipe started off 15 C warmer than the previous setup it isn't nearly as large and this 5 C differential is very similar to the Ansys simulation</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
End result we'd still lose about 15-20 C in the beampipe when there is enough flow (in the 1-2 m/s range) to get the silicon layer to ~30 C.</div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
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<div id="x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Brian Eng via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 11:07 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org>; Amrit Yegneswaran <yeg@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
<div> </div>
</div>
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<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Quick and dirty plots from Excel, which is kind of a pain/slow to change plot settings with a file of this size.</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
I'll send a summary table shortly. On quick glance the beampipe temperature is maintained better with the aerogel than without it, but still maybe not good enough.</div>
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<br>
</div>
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Marc,</div>
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<br>
</div>
<div class="x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Could you take another run and log from startup (room temp) to steady state then flow 10 and 25?</div>
<div id="x_x_appendonsend"></div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<br>
</div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Amrit Yegneswaran via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 10:33 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org>; Marc Mcmullen <mcmullen@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> Re: [Dsg-eic_tracker] EIC beam line test stand flow test</font>
<div> </div>
</div>
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<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
marc,</div>
<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
make the plot from 1200 onwards i.e. for flow 150 -250 lpm</div>
<div class="x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
it appears that at these flow rates the temperature of RTD C is around 27 C</div>
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<br>
</div>
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<br>
</div>
<div id="x_x_x_appendonsend"></div>
<hr tabindex="-1" style="display:inline-block; width:98%">
<div id="x_x_x_divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt; color: rgb(0, 0, 0);" face="Calibri, sans-serif"><b>From:</b> Dsg-eic_tracker <dsg-eic_tracker-bounces@jlab.org> on behalf of Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Sent:</b> Thursday, May 4, 2023 9:15 AM<br>
<b>To:</b> Marc Mcmullen via Dsg-eic_tracker <dsg-eic_tracker@jlab.org><br>
<b>Cc:</b> Patrizia Rossi <rossi@jlab.org><br>
<b>Subject:</b> [Dsg-eic_tracker] EIC beam line test stand flow test</font>
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</div>
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<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
Hi Patrizia and Rolf,</div>
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<br>
</div>
<div class="x_x_x_x_elementToProof" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
The flow tests are complete. The beam line pipe was heated to ~100C and air was flowed at 10, 20, 50, 100, 150, 200, and 250 liters per minute. Each flow test ran for 3 hours. After each test the controls waited for 3 hours to allow monitored temperatures to
recover to approximately the same starting temperature for every test.</div>
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Sensor locations:</div>
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RTD_A, B, and C - inner surface of outer pipe (silicon)</div>
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RTD_D - outer surface of inner pipe (beryllium beam pipe)</div>
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RTD_H1, and H2 - outer surface of the heated pipe (for controls)<br>
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Brian,</div>
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The full data log is located at <a href="file:///O:\DSG\EIC\Software\LabVIEW\Teststand_data\0502_0504_flowtest.xlsx" data-auth="NotApplicable" id="LPlnk579716">
O:\DSG\EIC\Software\LabVIEW\Teststand_data\0502_0504_flowtest.xlsx</a></div>
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Regards,</div>
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Marc<br>
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