1. PANDA Fw Endcap EMC, status prototype
Herbert Löhner,
Henk Smit, Riemer Bergsma
(mech. engineering),
Annelie Kluttig (research engineer),
KVI Groningen
carbon fiber
alveoles produced at Fiberworkx BV
March 2009
H. Löhner - PANDA-FwEndcapEMC

2. H. Löhner - PANDA-FwEndcapEMC
Mounting and FEM model
light Al frame (540 kg) supported by solenoid
March 2009
H. Löhner - PANDA-FwEndcapEMC

3. simulation: displacement max. 0.64 mm
March 2009
H. Löhner - PANDA-FwEndcapEMC

4. H. Löhner - PANDA-FwEndcapEMC
simulation: displacement
max mm
March 2009
H. Löhner - PANDA-FwEndcapEMC

5. von Mises stress: ~ 40 MPa (= 40 N/mm2) is considered ok
March 2009
H. Löhner - PANDA-FwEndcapEMC

6. Assembly with alignment crosses
March 2009
H. Löhner - PANDA-FwEndcapEMC

7. U-shaped frame bars for attachements of DiscDIRC and Endcap (8 fold)
March 2009
H. Löhner - PANDA-FwEndcapEMC

8. space voor digitizing electronics
16 times
0.4 m2 = in total 6.5 m2
March 2009
H. Löhner - PANDA-FwEndcapEMC

9. requested mounting plates in solenoid
ca. 250x200x25 mm
March 2009
H. Löhner - PANDA-FwEndcapEMC

10. H. Löhner - PANDA-FwEndcapEMC
March 2009
H. Löhner - PANDA-FwEndcapEMC

11. H. Löhner - PANDA-FwEndcapEMC
temperature and strain sensitive Fiber Bragg Gratings can measure stress and temperature
temperature / strain applied to a Bragg Grating
alters the wavelength of reflected light
March 2009
H. Löhner - PANDA-FwEndcapEMC

12. H. Löhner - PANDA-FwEndcapEMC
March 2009
H. Löhner - PANDA-FwEndcapEMC

13. H. Löhner - PANDA-FwEndcapEMC
March 2009
H. Löhner - PANDA-FwEndcapEMC

14. H. Löhner - PANDA-FwEndcapEMC
next steps:
design the details of endcap support structure
investigate options for stress and temperature sensors
March 2009
H. Löhner - PANDA-FwEndcapEMC