Design and mechanical stability analysis of the interaction region for the inverse compton scattering gamma-ray source
Содержание
- 2. Introduction Design Static analysis Modal analysis Harmonic analysis Conclusion Contents
- 3. Introduction - ICS Inverse Compton Scattering – process of upshifting low frequency photons by colliding them
- 4. Introduction - ICS The Inverse Compton spectrum of electrons with energy γ irradiated by photons of
- 5. Introduction - Applications Standoff inspection Nuclear element detection Oncology Nuclear astrophysics Nuclear medicine
- 6. Introduction - FAST 120 m
- 7. Introduction - Interaction region Concept of the interaction region
- 8. Introduction - Main challenge Histograms of the stacked laser intensity. Left – prior to the improvement
- 9. Cavity requirements: Recirculation cavity Target finesse > 1000 Vacuum chamber Impulse frequency 3 MHz No bending
- 10. Finesse is a characteristic of oscillatory systems and resonators. R1 =99.9% (entrance mirror) R2 =99.995% (high
- 11. Design - Herriott cell Francesco D'amato - “Variable length Herriott-type multipass cell”, EP 1972922 A1
- 12. Design - Finesse and amplification estimates
- 13. Design - Herriott cell α = 360°/23 = 15.65°
- 14. Designing - Dimensions Herriot cell length 1035 mm Herriot mirror diameter 65 mm Distance between concave
- 15. Design - mounts and supports Number of individual models - 33 Number of assembly elements -
- 16. Design - Vacuum chamber and frame Dimensions: 1500x420x336 mm Weight: 280 kg Dimensions: 1400x1015x780 mm Weight:
- 17. Static analysis - Implosion test The von Mises yield criterion The von Mises stress is often
- 18. ANSYS stress units - MPa A36 steel properties: Density of 7,800 kg/m3 Young's modulus 200 GPa
- 19. Static analysis - Implosion test
- 20. Static analysis - Convergence Von Mises stress at singularity points does not converge and grows with
- 21. Static analysis - Displacement
- 22. Static analysis - Gravity compression Von Mises stress - 9.29 MPa Generally, the stands are fastened
- 23. The purpose of performing a modal analysis is to find the natural frequencies and mode shapes
- 24. Modal analysis - Modal maps
- 25. Modal analysis - Convergence
- 26. A harmonic analysis finds the steady state response of a structure under sinusoidal loading conditions. A
- 27. Harmonic analysis - Loading data Courtesy of M. McGee (Fermilab)
- 28. Harmonic analysis - Seismograph readings |F(ω)| is called the amplitude spectrum of f Fourier transform is
- 29. Harmonic analysis - Postprocessing Dangerous mode to be examined - concave mirror supports
- 30. Harmonic analysis - Postprocessing Tracking displacement of a single node over the whole frequency region in
- 31. Harmonic analysis - Critical displacement Design success criterions: Mirror displacement should not exceed wavelength of 1.054
- 32. Harmonic analysis - Postprocessing X direction Z direction
- 33. Harmonic analysis - Solutions Geometry modifications Extra supports Make shorter mounts Height support modification has mitigated
- 34. ICS is an exceptional method of generating γ radiation of high brilliance, its development is important
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