Presentation is loading. Please wait.

Presentation is loading. Please wait.

THERMO-MECHANICAL DESIGN | PAGE 1 CEA Saclay 2015.

Published byEric Goodman Modified over 7 years ago

Similar presentations

Presentation on theme: "THERMO-MECHANICAL DESIGN | PAGE 1 CEA Saclay 2015."— Presentation transcript:

1 THERMO-MECHANICAL DESIGN | PAGE 1 CEA Saclay 2015

2 THERMO-MECHANICAL DESIGN Design overview Thermo-mechanical calculations Hypothesis Entrance slits Beam-stopper Mechanical interfaces EMU – Actuator interface Actuator – Diagnostic chamber interface | PAGE 2 CEA Saclay 2015

3 DESIGN OVERVIEW | PAGE 3 CEA Saclay 2015

4 DESIGN OVERVIEW | PAGE 4 CEA Saclay 2015 4 Beam stopper Entrance slits Deviation plates Exit slits Faraday cup

5 DESIGN OVERVIEW Nominal positions Lower slice of the beam -50mm Upper slice of the beam +50mm « Safety position » +150mm | PAGE 5 CEA Saclay 2015 User defined IDRequirementDesign LEBT_PBI_EMU-005160mm200mm

6 THERMO-MECHANICAL CALCULATIONS | PAGE 6 CEA Saclay 2015

7 THERMO-MECHANICAL CALCULATIONS Hypothesis First hypotheses : gaussian power deposition Beam characteristics (Réf : « L5_LEBT_EMU » 2015/30/01) Nodal power deposition Steady-state analysis Material physical datas : Advanced Energy Technology Group http://aries.ucsd.edu/LIB/PROPS/PANOS/cu.html | PAGE 7 CEA Saclay 2015 DescriptionValueUnit Beam energy75kV Beam intensity at peak 100mA Repetition rate14Hz Duty cycle8% MINIMAL beam size (in sigma) 1.5mm MAXIMAL beam size diameter 80mm Average power absorbed 625W

8 THERMO-MECHANICAL CALCULATIONS Entrance slits Two entrance slits, with two identical cross-section Exchangeable parts Pure copper-made | PAGE 8 CEA Saclay 2015 0.2rad User defined IDRequirementDesign LEBT_PBI_EMU-004+/-100mrad+/-200mrad LEBT_PBI_EMU-004 MIN:60mm MAX:100mm

9 THERMO-MECHANICAL CALCULATIONS Configuration 1 Beam hits a slit on the surface normal to the beam direction, only one slit is exposed. | PAGE 9 CEA Saclay 2015 Configuration 2 EMU slits centered on the beam, slits are equally exposed. Entrance slit Beam-stopper

10 THERMO-MECHANICAL CALCULATIONS Convective boundary condition Heat exchange coefficient : h=10919W/m².K Volumetric water flow rate : 4L/min Inlet water temperature : 22°C Working pressure : 6 Bars Linear velocity : 2.4m/s | PAGE 10 CEA Saclay 2015

11 THERMO-MECHANICAL CALCULATIONS Configuration 1 Power dissipated : 619W Through convective boundary condition (neglecting radiation) | PAGE 11 CEA Saclay 2015

12 THERMO-MECHANICAL CALCULATIONS Temperature field : Max : 307°C Temperature gradient in the slit : | PAGE 12 CEA Saclay 2015

13 THERMO-MECHANICAL CALCULATIONS Temperature on convective boundary condition : Max : 92°C Saturation properties for water (pressure increment) | PAGE 13 CEA Saclay 2015

14 THERMO-MECHANICAL CALCULATIONS Von Mises stresses : Max : 81MPa No brazing Choice of the material | PAGE 14 CEA Saclay 2015 ! !

15 THERMO-MECHANICAL CALCULATIONS Maximum entrance slit displacements : On Z : max : -10µm On X : max : -7µm | PAGE 15 CEA Saclay 2015 10µm 7µm Conclusions for Configuration 1: High levels of temperature : structural integrity of the slits cannot be guaranteed Thermal expansion of copper : loss of approximately 10% of the beam after entrance slits

16 THERMO-MECHANICAL CALCULATIONS Configuration 2 Power dissipated : 304W Through convective boundary Condition (neglecting radiation) | PAGE 16 CEA Saclay 2015

17 THERMO-MECHANICAL CALCULATIONS Temperature field : Max : 114°C Temperature gradient in the slit : | PAGE 17 CEA Saclay 2015

18 THERMO-MECHANICAL CALCULATIONS Temperature on convective boundary condition : Max : 70°C Saturation properties for water (pressure increment) | PAGE 18 CEA Saclay 2015

19 THERMO-MECHANICAL CALCULATIONS Von Mises stresses : Max : 36MPa Choice of the material | PAGE 19 CEA Saclay 2015

20 THERMO-MECHANICAL CALCULATIONS Maximum entrance slit displacements : On Z : max : -12µm On X : max : 11µm | PAGE 20 CEA Saclay 2015 12µm 11µm Conclusions for Configuration 2: Entrance slits are both exposed to the same amount of power Thermal expansion of copper : loss of approximately 12% x 2 = 24% of the beam after the entrance slits

21 THERMO-MECHANICAL CALCULATIONS Influence of standard deviation on : Temperature fields | PAGE 21 CEA Saclay 2015

22 THERMO-MECHANICAL CALCULATIONS Influence of standard deviation on : Von Mises stresses fields | PAGE 22 CEA Saclay 2015

23 THERMO-MECHANICAL CALCULATIONS Influence of standard deviation on : Displacements | PAGE 23 CEA Saclay 2015

24 THERMO-MECHANICAL CALCULATIONS Influence of standard deviation on : Measure | PAGE 24 CEA Saclay 2015

25 THERMO-MECHANICAL CALCULATIONS Beam-stopper Separately cooled : 8L/min No contact with the entrance slits | PAGE 25 CEA Saclay 2015

26 THERMO-MECHANICAL CALCULATIONS Beam-stopper Maximum temperature | PAGE 26 CEA Saclay 2015 1.5 mm3 mm Max : 233°CMax : 150°C

27 THERMO-MECHANICAL CALCULATIONS Beam-stopper Maximum temperature (water) | PAGE 27 CEA Saclay 2015 1.5 mm3 mm Max : 60°CMax : 57°C

28 Beam-stopper Maximum stresses THERMO-MECHANICAL CALCULATIONS | PAGE 28 CEA Saclay 2015 Max : 182MPaMax : 113MPa 1.5 mm3 mm

29 THERMO-MECHANICAL CALCULATIONS Conclusion : For safety and reliability measurement matters : INCREASE STANDARD DEVIATION OF THE BEAM Steady-state simulations Guaranty mechanical integrity and stability of the parts Guaranty a minimum level of reliability of measures | PAGE 29 CEA Saclay 2015 DescriptionValueUnit MINIMAL beam size (in sigma) 3mm MAXIMAL beam size diameter 80mm

30 MECHANICAL INTERFACES | PAGE 30 CEA Saclay 2015

31 MECHANICAL INTERFACES Admissible defects from emittance measurement point of view | PAGE 31 CEA Saclay 2015 BEAM 90°

32 MECHANICAL INTERFACES Actuator – Diagnostic chamber interface Global angular positionning guaranteed : +/-0.25° | PAGE 32 CEA Saclay 2015 BEAM User defined IDRequirementDesign LEBT_PBI_EMU-0070.5°+/-0.25°

33 MECHANICAL INTERFACES EMU – Actuator interface CF100 flange Connectors and pick-ups : 1x BNC 2x SHV-10 2x thermocouples 1-pair 1x SHV-5 Hydraulic supply : 4x 12-10mm diameter tubes Two-levels interface to optimize actuator dimensions Length of the rod allowing both 370mm from the CF250 200mm stroke | PAGE 33 CEA Saclay 2015

34 MECHANICAL INTERFACES EMU – Diagnostic chamber interface Machining and positionning tolerances Global defect : approx. 0,1mm Global defect : approx. 0,3mm Global defect : approx. 0,2mm | PAGE 34 CEA Saclay 2015

Download ppt "THERMO-MECHANICAL DESIGN | PAGE 1 CEA Saclay 2015."

Similar presentations

Heat Transfer to Solids in a Flowing Fluid

Heat Transfer to Solids in a Flowing Fluid
INRNE-BAS MELCOR Pre -Test Calculation of Boil-off test at Quench facility 11th International QUENCH Workshop Forschungszentrum Karlsruhe (FZK), October.

INRNE-BAS MELCOR Pre -Test Calculation of Boil-off test at Quench facility 11th International QUENCH Workshop Forschungszentrum Karlsruhe (FZK), October.
MECHANISM OF HEAT TRANSFER Mode of Heat transfer Conduction Convection

MECHANISM OF HEAT TRANSFER Mode of Heat transfer Conduction Convection
Model: 3D Piston. Diesel Engine Piston Studies the deformation and distribution of stresses in a suggested design at steady-state conditions Applied piston.

Model: 3D Piston. Diesel Engine Piston Studies the deformation and distribution of stresses in a suggested design at steady-state conditions Applied piston.
Reliability Prediction of a Return Thermal Expansion Joint O. Habahbeh*, D. Aidun**, P. Marzocca** * Mechatronics Engineering Dept., University of Jordan,

Reliability Prediction of a Return Thermal Expansion Joint O. Habahbeh*, D. Aidun**, P. Marzocca** * Mechatronics Engineering Dept., University of Jordan,
Example 1:- An annular alloyed aluminum (k = 180 W/m . K ) fin of rectangular profile is attached to the outer surface of a circular tube having an outside.

Example 1:- An annular alloyed aluminum (k = 180 W/m . K ) fin of rectangular profile is attached to the outer surface of a circular tube having an outside.
Assessment of beam-target interaction of IFMIF A state of the art J. Knaster a, D. Bernardi b, A. García c, F. Groeschel h, R. Heidinger d, M. Ida e, A.

Assessment of beam-target interaction of IFMIF A state of the art J. Knaster a, D. Bernardi b, A. García c, F. Groeschel h, R. Heidinger d, M. Ida e, A.
Products made from rolling

Products made from rolling
R.Valbuena NBI 14-19 March 2002 CNGS Decay Pipe Entrance Window Structural and Thermal Analysis A.Benechet, P.Cupial, R.Valbuena CERN-EST-ME.

R.Valbuena NBI March 2002 CNGS Decay Pipe Entrance Window Structural and Thermal Analysis A.Benechet, P.Cupial, R.Valbuena CERN-EST-ME.
Studies of solid high-power targets Goran Skoro University of Sheffield HPT Meeting May 01 – 02, 2008 Oxford, UK.

Studies of solid high-power targets Goran Skoro University of Sheffield HPT Meeting May 01 – 02, 2008 Oxford, UK.
First Wall Thermal Hydraulics Analysis El-Sayed Mogahed Fusion Technology Institute The University of Wisconsin With input from S. Malang, M. Sawan, I.

First Wall Thermal Hydraulics Analysis El-Sayed Mogahed Fusion Technology Institute The University of Wisconsin With input from S. Malang, M. Sawan, I.
Status of T2K Target 2 nd Oxford-Princeton High-Power Target Workshop 6-7 th November 2008 Mike Fitton RAL.

Status of T2K Target 2 nd Oxford-Princeton High-Power Target Workshop 6-7 th November 2008 Mike Fitton RAL.
Thermal Analysis of Helium- Cooled T-tube Divertor S. Shin, S. I. Abdel-Khalik, and M. Yoda ARIES Meeting, Madison (June 14-15, 2005) G. W. Woodruff School.

Thermal Analysis of Helium- Cooled T-tube Divertor S. Shin, S. I. Abdel-Khalik, and M. Yoda ARIES Meeting, Madison (June 14-15, 2005) G. W. Woodruff School.
1 THERMAL LOADING OF A DIRECT DRIVE TARGET IN RAREFIED GAS B. R. Christensen, A. R. Raffray, and M. S. Tillack Mechanical and Aerospace Engineering Department.

1 THERMAL LOADING OF A DIRECT DRIVE TARGET IN RAREFIED GAS B. R. Christensen, A. R. Raffray, and M. S. Tillack Mechanical and Aerospace Engineering Department.
1 RF-Structures Mock-Up FEA Assembly Tooling V. Soldatov, F. Rossi, R. Raatikainen 27.6.2011.

1 RF-Structures Mock-Up FEA Assembly Tooling V. Soldatov, F. Rossi, R. Raatikainen
Vacuum, Surfaces & Coatings Group Technology Department Glassy Carbon Tests at HiRadMat 14 March 2014 C. Garion2 Outline: Introduction Context: Transparent.

Vacuum, Surfaces & Coatings Group Technology Department Glassy Carbon Tests at HiRadMat 14 March 2014 C. Garion2 Outline: Introduction Context: Transparent.
Welcome to KALLER International Distributors Meeting June 14-16, 2011 Workshop 7 • Delayed return units.

Welcome to KALLER International Distributors Meeting June 14-16, 2011 Workshop 7 • Delayed return units.
Heat Transfer in Structures

Heat Transfer in Structures
RFQ Thermal Analysis Scott Lawrie. Vacuum Pump Flange Vacuum Flange Coolant Manifold Cooling Pockets Milled Into Vanes Potentially Bolted Together Tuner.

RFQ Thermal Analysis Scott Lawrie. Vacuum Pump Flange Vacuum Flange Coolant Manifold Cooling Pockets Milled Into Vanes Potentially Bolted Together Tuner.
Study of a new high power spallation target concept

Study of a new high power spallation target concept

Similar presentations

Ads by Google