MEDSI2016 - List of Authors (Parise, R.L.)

Paper	Title	Page
MOPE02	Studies on Flow-Induced Vibrations for the New High-Dynamics DCM for Sirius	8
	R.M. Caliari, O.R. Bagnato, F.R. Francisco, R.R. Geraldes, R.L. Parise, M. Saveri Silva, D.O. Tavares, L.,Jr. de Souza LNLS, Campinas, Brazil T.A.M. Ruijl MI-Partners, Eindhoven, The Netherlands
	The monochromator is known to be one of the most critical optical elements of a synchrotron beamline, since it directly affects the beam quality with respect to energy and position. Naturally, the new 4th generation machines, with their small emittances, start to bring about higher stability performance requirements, in spite of factors as high power loads, power load variation, and vibration sources. A new high-dynamics DCM (Double Crystal Monochromator) is under development at the Brazilian Light Source for the Sirius EMA beamline (Extreme Condition X-ray Methods of Analysis). The disturbances induced by the coolant flows are known to be among the most detrimental influences to a DCM performance, however, quantitative force numbers involved in such disturbances are not commonly investigated. According to the novel dynamic concept, these forces should be predictably translated into stability performance. Therefore, experimental setups that allow the indirect measurement of such forces in conditions close to those of operation were designed. The results comparing different indirect cooling profiles and manufacturing processes (brazing and additive manufacturing) are shown.
	Poster MOPE02 [3.064 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-MOPE02
About •	paper received ※ 09 September 2016 paper accepted ※ 15 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUPE23	Glidcop Brazing in Sirius’ High Heat Load Front-End Components	216
	G.V. Claudiano, O.R. Bagnato, P.T. Fonseca, F.R. Francisco, R.L. Parise, L.M. Volpe LNLS, Campinas, Brazil
	Sirius is a 4th generation synchrotron light source in project. Some of Sirius’ beamlines will have a very high power density, more than 50 kW/mrad², to be dissipated in components that have a limited space condition. Thus, the refrigeration of these components is complex when one has in mind that the coolant flow cannot be too turbulent in order to not induce much vibration in the components. Oxygen Free Electrolytic Cu (OFEC) has been replaced by the Glidcop, on 4th generation synchrotron applications, due to its good thermal conductivity and preservation of mechanical properties after heating cycles. However, as this material is not very workable in terms of union with other materials, which led to the development of a brazing process for Glidcop and stainless steel union. Glidcop samples were submitted to a Cu-electroplating process and a silver base alloy (BVAg-8) was used to join the parts in a high vacuum furnace. Electroplating was used to improve the filler metal wettability. The results were very satisfactory, ensuring water and vacuum tightness. A desirable characteristic not yet proved is the virtual leak property. This paper will discourse about this brazing method.
	Poster TUPE23 [1.553 MB]
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUPE23
About •	paper received ※ 09 September 2016 paper accepted ※ 22 September 2016 issue date ※ 22 June 2017
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Studies on Flow-Induced Vibrations for the New High-Dynamics DCM for Sirius

8

R.M. Caliari, O.R. Bagnato, F.R. Francisco, R.R. Geraldes, R.L. Parise, M. Saveri Silva, D.O. Tavares, L.,Jr. de Souza
LNLS, Campinas, Brazil
T.A.M. Ruijl
MI-Partners, Eindhoven, The Netherlands

The monochromator is known to be one of the most critical optical elements of a synchrotron beamline, since it directly affects the beam quality with respect to energy and position. Naturally, the new 4th generation machines, with their small emittances, start to bring about higher stability performance requirements, in spite of factors as high power loads, power load variation, and vibration sources. A new high-dynamics DCM (Double Crystal Monochromator) is under development at the Brazilian Light Source for the Sirius EMA beamline (Extreme Condition X-ray Methods of Analysis). The disturbances induced by the coolant flows are known to be among the most detrimental influences to a DCM performance, however, quantitative force numbers involved in such disturbances are not commonly investigated. According to the novel dynamic concept, these forces should be predictably translated into stability performance. Therefore, experimental setups that allow the indirect measurement of such forces in conditions close to those of operation were designed. The results comparing different indirect cooling profiles and manufacturing processes (brazing and additive manufacturing) are shown.

Poster MOPE02 [3.064 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-MOPE02

About •

paper received ※ 09 September 2016 paper accepted ※ 15 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUPE23

Glidcop Brazing in Sirius’ High Heat Load Front-End Components

216

G.V. Claudiano, O.R. Bagnato, P.T. Fonseca, F.R. Francisco, R.L. Parise, L.M. Volpe
LNLS, Campinas, Brazil

Sirius is a 4th generation synchrotron light source in project. Some of Sirius’ beamlines will have a very high power density, more than 50 kW/mrad², to be dissipated in components that have a limited space condition. Thus, the refrigeration of these components is complex when one has in mind that the coolant flow cannot be too turbulent in order to not induce much vibration in the components. Oxygen Free Electrolytic Cu (OFEC) has been replaced by the Glidcop, on 4th generation synchrotron applications, due to its good thermal conductivity and preservation of mechanical properties after heating cycles. However, as this material is not very workable in terms of union with other materials, which led to the development of a brazing process for Glidcop and stainless steel union. Glidcop samples were submitted to a Cu-electroplating process and a silver base alloy (BVAg-8) was used to join the parts in a high vacuum furnace. Electroplating was used to improve the filler metal wettability. The results were very satisfactory, ensuring water and vacuum tightness. A desirable characteristic not yet proved is the virtual leak property. This paper will discourse about this brazing method.

Poster TUPE23 [1.553 MB]

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-MEDSI2016-TUPE23

About •

paper received ※ 09 September 2016 paper accepted ※ 22 September 2016 issue date ※ 22 June 2017

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)