Differences between revisions 3 and 4

Layout related issues

Contents

Layout related issues
1. Location of PR2 tank
  1. Comparison Table

Location of PR2 tank

Is it possible to put the PR2 and SR2 vacuum chambers further away from the BS chamber ? The minimum separation is 2.7m (center-to-center). However, in order to improve the workability around the BS chamber, we want increase the separation.

MIF Diagram

Comparison Table

L_BS_PR2 is the separation between the center of BS chamber and the center of PR2 chamber. The following table shows the the Folding parameters with three different cases of L_BS_PR2. Case 1 is the default plan. Case 2 adds 2m to the BS-PR2 separation, and Case 3 adds 3m.

	L_BS_PR2	Folding Angle	Lp1	Lp2	Lp3	PRM ROC	PRM Beam Size	PR2 ROC	PR2 Beam Size	PR3 ROC	PR3 Beam Size
Case 1	2.7m	0.63deg	14.76m	12.07m	14.76m	310.42m	4.05mm	-3.13m	4.05mm	27.01m	35.43mm
Case 2	4.7m	0.67deg	14.09m	11.40m	16.10m	295.3m	3.95mm	-2.88m	3.95mm	25.45m	35.46mm
Case 3	5.7m	0.69deg	13.76m	11.06m	16.76m	287.75m	3.91mm	-2.75m	3.91mm	24.67m	35.48mm

LCGT/subgroup/ifo/MIF/LayoutRelated (last edited 2011-07-06 10:57:44 by YoichiAso)

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+L_BS_PR2 is the separation between the center of BS chamber and the center of PR2 chamber.
The following table shows the the Folding parameters with three different cases of L_BS_PR2.
Case 1 is the default plan. Case 2 adds 2m to the BS-PR2 separation, and Case 3 adds 3m.