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[Zhenyu Ye <yezhenyu2003 AT gmail.com>]

Hi Yi,

Regarding the coolant fluid flow, For IST, it is 1 liter/min at 20 degree C 
for each pair of staves, and in total 24/2 = 12 liter/min for the entire 
system. A detailed description can be found at 

https://drupal.star.bnl.gov/STAR/blog/yezhenyu/forward-silicon-tracker-cooling

One thing which may not have taken into account in the thermal simulation is 
the thermal conductive vias in the hybrid (see Figure 8 of arXiv:1404.0993). 
Jianing, do you include such vias in the FST hybrid following IST hybrid 
design, if so, can you please tell Yi their dimensions, locations, and 
quantities?

Best,
Zhenyu




> On Jan 31, 2019, at 8:07 AM, Yi Yang <yiyang AT ncku.edu.tw> wrote:
> 
> Hi Zhenyu and all,
> 
> Here is the short update on the supporting structure: 
> Yi_HS_20190131_FST_Structure.pdf
> The bottom-line is that we can make the tube to be separated a bit further 
> for the connector-b, so Li and Jianing won't need to change the design of 
> the T-Board.
> 
> Cheers,
> Yi
> 
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> Yi Yang, Assistant Professor 
> Department of Physics 
> National Cheng Kung University 
> Tainan, 701 Taiwan 
> E-Mail: yiyang AT ncku.edu.tw 
> Tel: +886-6-2757575 ext.65237 
> Fax: +886-6-2747995
> Group Web: http://phys.ncku.edu.tw/~yiyang 
> +++++++++++++++++++++++++++++++++++++++++++++++++++
> 
> 
> On Thu, Jan 31, 2019 at 5:06 AM Zhenyu Ye <yezhenyu2003 AT gmail.com> wrote:
> Dear all, 
> 
> We will skip this and next week's meetings. If you have any update, please 
> send it to the list. 
> 
> Zhenyu 
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