Thermal/Structural Submeeting - AMS02 TIM AT CERN   May 8, 2002

Present:
C. Balasubraminian, R. Becker, J. Burger, C. Clark, R. Dasgupta,
L. de Franchis, A. Franzoso, C. Gargiulo, R. Harold, J. Krieger, G. Laurenti,
K. Lübelsmeyer, T. Martin, M. Molina, M. Pohl, D. Rapin, D. Read, G. Sardo,
R. Schlitt, R. Siedling, C. Tutt, B. Verlaat

List of Action Items:

1. OHB to verify the zenith radiator and upper plate to be correctly modelled
OHB 17th May

2. ISATECH to provide OHB mechanical data for evaluation of the TRD I/F
conductance ISATECH/RWTH 17th May

3. OHB to provide CGS with TRD to USS I/F conductance 
OHB 20th May

4. CGS to provide significant temperatures of the TRD on the sidewalls for the
two available cases without changing the model CGS 24th model

5. Check significant temperatures of the TRD on the sidewalls for the two
available cases with updated model and provide them to OHB / AACHEN
CGS 24th may

6. Provide OHB system I/F data relevant to AMS02 model including TRD model for
the two available cases
CGS 24th May

7. Check TRD enclosure bottom temperature value
CGS 31 May

8. OHB to apply new TOF power within the enclosure (3.2 W instead of 14.4 W) 
OHB 6th June

9. Cables are not in the model: Aachen to provide approximate routing, exposed
surfaces of cables and gas tubing

10. Thermal worst hot case (thermostat failure case) will be analyzed and data
provided to OHB for  Heat pipes MDP calculation 
CGS 15th June

11. OHB to assess MDP for heat pipes
OHB 30th June

12. OHB/CGS to invesigate responsibility for heaters for cryocoolers with GSFC
OHB/CGS 2nd June

13. LMSO (Dasgupta) to provide strength properties of 6061 after brazing at 210°C
LMSO 24th May

14. OHB to assess the feasibility of 3 mm OD tube for zenith radiator with the 
residual strength
OHB 31st May

15. OHB to check white paint availability for space application, to be submitted to LMSO for approval
OHB 15th June

16. CGS to provide updated AMS02 thermal model and results
CGS 7th June

17 LMSO to run the new model and compare results
LMSO 14th June

18 LMSO will calculate new thermal induced deflections
LMSO 21th June

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Structural meeting

1. CGS delivered 3 Structural analysis reports (TOF Upper, RICH, Crates system
and radiator), based on a combination of SVP inertial loads combined with
acoustic (for the radiators only) and boundary displacements provided by LMSO

2. LMSO to include TRD FEM model in the AMS02 model
LMSO 24th May

3. CGS/OHB to proceed with structural design for the tracker radiator brackets, including condensers mass, up to a bracket conceptual design 
CGS/OHB 30th June 

4. LMSO to select an approach to provide design loads to the subdetectors/subsystems
LMSO 24 May

5. LMSO to provide dimensioning data for subdetectors/subsystem
LMSO 24 May