meshed with no iron for comparison used willy’s conceptual design for iron pieces
DESCRIPTION
Outline. Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces Not optimized in any way Used thin and thick pieces Compared fields (BMOD and BR) Compared tracks for no iron, thick iron and “giant” iron Reduced current density and compared optics - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/1.jpg)
• Meshed with no iron for comparison• Used Willy’s conceptual design for iron pieces
• Not optimized in any way• Used thin and thick pieces
• Compared fields (BMOD and BR)• Compared tracks for no iron, thick iron and “giant” iron• Reduced current density and compared optics
Note: op3 file names are:
no_iron_in_coils_test_ver2.op3 (smaller mesh size)iron_in_coils_ver3.op3 (thin)iron_in_coils_ver4.op3 (thick)iron_in_coils_ver5.op3 (giant)iron_in_coils_temp_BFIL_0_80.op3 (giant, reduced current)iron_in_coils_temp_BFIL_0_90.op3 (giant, reduced current)
Outline
![Page 2: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/2.jpg)
No iron, coils only
BMODz=1375 cm
![Page 3: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/3.jpg)
No iron w/ mesh
BMODz=1375 cm
![Page 4: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/4.jpg)
Field on a line, middle of open sectorBMODz=1375 cm, y= 0 cm , 0 < x < -40 cm
With coils only With meshBMOD
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Model body in mesh
![Page 6: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/6.jpg)
thin iron
thick ironIron design
![Page 7: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/7.jpg)
thick iron
1 m long, section of tube from 0.5 to 5.5 cm radiusOpening angle, thin: 5 degreesOpening angle, thick: 20 degrees
Placed radially from 5 – 20 cm between 1325 and 1425 cm in z
Iron design
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![Page 9: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/9.jpg)
Thin Iron w/ mesh
BMODz=1375 cm
![Page 10: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/10.jpg)
Thick Iron w/ mesh
BMODz=1375 cm
![Page 11: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/11.jpg)
Giant blocks of iron
BMODz=1375 cm
![Page 12: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/12.jpg)
No iron w/ mesh
BMODz=1375 cm
![Page 13: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/13.jpg)
Thin Iron w/ mesh
BMODz=1375 cm
![Page 14: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/14.jpg)
Thick Iron w/ mesh
BMODz=1375 cm
![Page 15: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/15.jpg)
Giant blocks of iron
BMODz=1375 cm
![Page 16: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/16.jpg)
Middle of open sector
With thin iron
With no iron
BMOD
![Page 17: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/17.jpg)
Middle of open sector
With thin iron
With thick ironWith no iron
BMOD
![Page 18: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/18.jpg)
Edge of open sector
With thin iron
With no iron
BMOD
![Page 19: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/19.jpg)
Edge of open sector
With thin ironWith thick iron
With no iron
BMOD
![Page 20: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/20.jpg)
With no iron
With thick iron
Z=1375, r = 16.0 cm
BMOD
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With “giant” iron
With thick iron
Z=1375, r = 16.0 cm
BMOD
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With no iron
With giant iron, BFIL 80%
Along straight line approximation the track of the highest energy, lowest angle particle
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With thick iron
With no iron
![Page 24: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/24.jpg)
With no iron
With giant iron
![Page 25: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/25.jpg)
With no iron
With giant iron, BFIL 90%
![Page 26: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/26.jpg)
With no iron
With giant iron, BFIL 80%
![Page 27: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/27.jpg)
Summary• No optimization of the iron was done
• According to this preliminary work, is 2% greater for the thick iron and about 28% greater for giant iron
• Lowest tracks radial position at detector plane increased 2 cm (from 90 cm) with the thick iron
• Lowest tracks radial position at detector plane increased 11 cm (from 90 cm) with the giant iron (same current density)
• Do NOT see a dramatic increase in the quality of the focus or size of the field• Radial focus may be a little better for transition and closed sectors
• Even with giant iron pieces, only reduce field (current density) by 20%
Not seen as a big enough gain to warrant using it
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Extra slides
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Vector plotsBMOD
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With thin iron
With no iron
Cent
er o
f op
en s
ecto
r
Z=1375, r = 13.5 cm
BMOD
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With thin iron
With no iron
Z=1375, r = 13.5 cm
BR
![Page 32: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/32.jpg)
With thick iron
With thin iron
Z=1375, r = 13.5 cm
BMOD
![Page 33: Meshed with no iron for comparison Used Willy’s conceptual design for iron pieces](https://reader034.vdocuments.us/reader034/viewer/2022051821/568156f6550346895dc49cbe/html5/thumbnails/33.jpg)
With thick iron
With thin iron
Z=1375, r = 13.5 cm
BR