ITER PPE Goal Oriented training programRST meeting17th January 2011, Cadarache, France József NÉMETH

Association EURATOM-HASKFKI Research Institute for Particle and Nuclear Physics

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 2

ITER Goal Oriented training program on PPE

CONTENTS

○ Focus on one previous work

○ Overview of my training program

○ Description of my work at IRFM

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 3

ITER Goal Oriented training program on PPE

Training program overview

EFDA Goal Oriented Training Program on Port Plug Engineering

Objective:

Train early-stage engineers in several topics related to the ITER port plug structures

Duration :

3 years (30% of work time at partner institutes)

Involved institutes :

CEA (coordinator), FZJ, KIT, HAS (home institute)

Task coordinator:

Louis DOCEUL

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 4

ITER Goal Oriented training program on PPE

Work package overview

Work package 5: Thermo mechanical engineering of in-vessel components

Objective :

to become a thermo mechanical analyst expert for the further fusion research

Duration:

06.07.2009. – 07.2012. (secondment at CEA-IRFM: 03. Oct. 2010. – 29. Jan. 2011.)

Foreseen secondment: 2011 KIT, 2012 FZJ

Tools :

ANSYS Multiphysics and ANSYS Workbench

Supervisor:

Gábor GRUNDASophie SALASCA (CEA secondment)

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 5

ITER Goal Oriented training program on PPE

CONTENTS

○ Focus on one previous work

○ Overview of my training program

○ Description of my work at IRFM

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 6

ITER Goal Oriented training program on PPE

Previous works

ITER AEU frame structure structural analysis

MAST BES diagnostic thermal analysis

ITER CXRS shutter actuator thermal analysis

ITER EQPP #1thermo mechanical analysis

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 7

ITER Goal Oriented training program on PPE

ITER CXRS shutter actuator

ITER cryostat

CXRS port plug

Shutter

EFDA task under the direction of FZJ

Main aims: - temperature field of shutter actuator - necessity of additional cooling - optimal wall thickness of bellows

Description of the task

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 8

ITER Goal Oriented training program on PPE

ITER CXRS shutter actuator

Description of the appliance

pneumatic structuremain parts are two bellows inside each otheraxial shift is controlled by the gas pressuretwo plates are fixed to the basetwo internal plates are pushed by the actuator

Temperatures

Radiation

Convection

Loads and boundary conditions

internal heat generationconstrained temperaturestemperature dependant convectionradiation

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 9

ITER Goal Oriented training program on PPE

ITER CXRS shutter actuator

Results

max. temperature 187 [C°]permissible temperature 300 [C°]no critical regions

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 10

ITER Goal Oriented training program on PPE

ITER CXRS shutter actuator

Conclusion

additional cooling is not necessarytemperature differences are not significantall the wall thicknesses can be adequate

Wall thickness 0,3[mm]

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 11

ITER Goal Oriented training program on PPE

CONTENTS

○ Focus on one previous work

○ Overview of my training program

○ Description of my work at IRFM

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 12

ITER Goal Oriented training program on PPE

New design of diagnostic port plugs

F4E Grant 024

new design concept of diagnostic port plugshorizontal drawersdiagnostic systems into the drawers

Drawers

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 13

ITER Goal Oriented training program on PPE

Description of Vis/IR diagnostic

line of sights

mirrors

4 equatorial portsvisible and infrared range2 tangential and 1 divertor view

GCECFP group – optical engineersneutronic calculations

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 14

ITER Goal Oriented training program on PPE

Further developments

Distance between the first wall and pupil to integrate the shutter

The mirrors are located in three areas

Combined mirror holders

Shielding blocks – 70% steel, 30% water

Mirror holders

Shielding blocks

József NÉMETH RST meeting, 17th January 2010, Cadarache, France 15

ITER Goal Oriented training program on PPE

○ Gained experience in thermo mechanics and simulation tools (Ansys)

○ Gained skills in optical design and improvement of my 3D modeling knowledge (Catia)

Conclusions

Many thanks to the CEA for the kind welcome!