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Integrating Magnet and Calorimeters: Design Considerations and Construction Progress

This meeting addresses questions related to the design and integration of magnet and calorimeter systems for experimental halls, covering seismic considerations, vacuum tank construction, coil design, field calculations, and assembly studies. Specific topics include attachment points, self-load deformations, and instrumentation placement. Sessions focus on the influence of Japanese site specifications, construction progress, fixation methods, and structural calculations.

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Integrating Magnet and Calorimeters: Design Considerations and Construction Progress

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  1. ILD Magnet & calorimeters integration meetingQuestions to be addressed 01-02 /02/2012 @LLR-LAL

  2. 1St session : Experimental Hall & Japanese site • Experimental Hall design status • New considerations induced by Japanese site specifications : • Incidence on the design of the hall, on the assembly of the detector, on its design. • Influence of seismic considerations : predominant effects of vibrations over mechanical deformations.

  3. 2nd session : Coil and Magnet System • Vacuum tank : • Thickness of the vacuum tank skin ( 60 mm continuously?) • Fixation to return yoke (suspension and tie rods) • Hcal rail support : welded on vacuum tank? • FEA calculations • Construction

  4. 2nd session : Coil and Magnet System • Vacuum tank : • Thickness of the vacuum tank skin ( 60 mm continuously?) • Fixation to return yoke (suspension and tie rods) • Hcal rail support : welded on vacuum tank? • FEA calculations • Construction • Coil : • conductor, winding, • Internal instrumentation • Return Yoke design( shape, thickness, Muons chambers…) • Update of stray field calculations ( FSP aera, no compensating coil)

  5. 3rd session : Calorimeters assembly and integration studies g • FEA : • Self load and in load deformations. • Definition of attachment points in the coil (azimuth and sizing) • TPC support emax = 1.69 mm

  6. 3rd session : Calorimeters assembly and integration studies • FEA : • Self load and in load deformation. • Definition of attachment points in the coil (azimuth and sizing) • SDHcal = room for these rails. ( also place for services)

  7. 3rd session : Calorimeters assembly and integration studies • FEA : • Self load and in load deformation. • Definition of attachment points in the coil (azimuth and sizing) • TPC support : • Azimuth, • fixation to Ecal/Hcal/Vaccum tank ? • Needed space ( on the face of TPC and on the other fixation point) • if time : • Not to forgot that 700 cables coming from the inners : way out in each case ( AHCAL/DHCAL/TPC endplate), connecting boxes

  8. 4th session : endcaps studies Segmentation of the Ecalendcap Tilt of the Ahcal ( 22.5 °) (because of self load deformation)

  9. 5th session : Hadronic calorimeters , design report Update of the design of the Calos Tooling SDHcal : dimensioning of the gap Calo/coil ( overlap of service, rails…)

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