Cryogenic system for the MYRRHA superconducting linear accelerator

Chevalier, Nicolas R.; Junquera, T.; Thermeau, Jean‐Pierre; Romão, Luis Medeiros; Vandeplassche, D.

doi:10.1063/1.4860717

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…For example, the typical Linde L70 refrigerator [16], which has 10 W cooling power (converted to latent heat of vaporization) at 4.2 K, is assumed to cool Nb cavities. The total required AC power for Nb cavities is roughly 60 kW [17]. Considering that the ratio of the Coefficient of Performance (COP) between 4 K and 2 K is about 4 on average [17], it can be estimated that 240 kW of AC power is needed to absorb the heat load of the total 2 K Nb cavities.…”

Section: Design Of Nb 3 Sn Sc Cryomodulementioning

confidence: 99%

“…The total required AC power for Nb cavities is roughly 60 kW [17]. Considering that the ratio of the Coefficient of Performance (COP) between 4 K and 2 K is about 4 on average [17], it can be estimated that 240 kW of AC power is needed to absorb the heat load of the total 2 K Nb cavities. Therefore, the use of Nb 3 Sn cavity allows for a significant reduction in AC power consumption for refrigerators, down to about 33 kW / 240 kW = 14%.…”

Section: Design Of Nb 3 Sn Sc Cryomodulementioning

confidence: 99%

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Conceptual design of the high-power electron beam irradiator using niobium-tin superconducting cavity

Sakai,

Yamamoto,

Tanaka

et al. 2024

J. Phys.: Conf. Ser.

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In recent years, there has been an increasing demand for high-intensity beams in the field of electron beam irradiation. This includes mass production of nuclear medicine examinations using 99Mo and high-efficiency production through material modification via material irradiation. Although superconducting cavities can achieve high-current beam acceleration, a compact accelerator is desirable for general-purpose irradiation beams. In this paper, we designed a practical 10 MeV, 50 mA high-current beam irradiator using a new Nb3Sn superconducting cavity.

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Section: Design Of Nb 3 Sn Sc Cryomodulementioning

confidence: 99%

Section: Design Of Nb 3 Sn Sc Cryomodulementioning

confidence: 99%

Conceptual design of the high-power electron beam irradiator using niobium-tin superconducting cavity

Sakai,

Yamamoto,

Tanaka

et al. 2024

J. Phys.: Conf. Ser.

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“…The time-span of the negative half-wave is defined by the applied frequency, and length is or which defines the design concept of the machine based on a device of the Unilac at the Institute for Heavy Ion Research (GSI) in Darmstadt, Germany, the kinetic energy of particle [8] in accelerators is given as, Basic Principles of all accelerators are based on the same principle that is a charged particle accelerates between a gap between two electrodes and Energy transferred to particles moving in between two electrodes is . To control the temperature in the accelerator different coolant liquids or solid or other materials are used, for example like helium, water, and others [9].…”

Section: A Kinetics Energy Of a Particle In A Particle Accelerator Experimentsmentioning

confidence: 99%

D-Medium Control the Temperature of Electron Inside and Outside the Atom

Dhobi¹,

Subedi²,

Ghimire³

et al. 2021

IJAP

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The objective of this work is to show the presence of D medium and the presence of this medium to control the temperature of an electron inside or outside the atom. For this, some mathematical model developed in [1], work for temperature with velocity was developed and presence of D-Medium inside atom described [2]. On interconnecting temperature and D-Medium, the concept of D-medium generated and shows that D-medium surrounded the electron in all cases (free, inside an atom, or other), this medium controls the temperature of the electron. Hence temperature of an electron depends upon the D-medium either inside an atom or outside the atom. The penetration of a specific photon through this medium also increases the temperature of the electron because the electron is composed of sub-electronic particles [3].

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“…FEL accelerators make extensive use of superconducting radio frequency cavities (SRFC) immersed in superfluid helium with 30 mbar and 2 K saturation pressure and temperature, respectively. This optimum cryostating temperature Tcry results from the fact, that SRFC power losses are exponentially proportional to Tcry, while an electric power to run a refrigerator for RF power losses compensation is inversely proportional to Tcry [2,3].…”

Section: Introductionmentioning

confidence: 99%

Cryogenic Distribution System for Polish Free Electron Laser Facility

Banaszkiewicz,

Chorowski,

Duda

et al. 2024

IOP Conf. Ser.: Mater. Sci. Eng.

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Polish Free Electron Laser facility (PolFEL), presently under construction at the National Centre for Nuclear Research in Warsaw, will consist of an electron gun and four cryomodules each housing two 9-cell superconducting TESLA RF cavities. The cryomodules comprising the cavities will be supplied with superfluid helium at 2 K. Other PolFEL cooling power requirements result from the demand of the power couplers for the accelerating cryomodules (5 K) and thermal shields (40 K – 80 K). The machine will make use of several helium thermodynamic states like two-phase superfluid HeII, supercritical helium and low-pressure helium vapours supplied to cold compressors. A Cryogenic Distribution System (CDS) will provide supercritical helium to the valve-boxes where thermodynamic processing of the helium to a superfluid state will take place. The paper presents the CDS architecture and discusses the possible design options like methods of the power couplers cooling, optional use and location of cold compressors. The second law of thermodynamics has been used for the optimization of the CDS configuration. A generalized approach to the design of helium distribution systems, taking into account thermomechanical aspects and the consequences of the second law of thermodynamics, is presented.

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Cryogenic system for the MYRRHA superconducting linear accelerator

Cited by 4 publications

References 11 publications

Conceptual design of the high-power electron beam irradiator using niobium-tin superconducting cavity

Conceptual design of the high-power electron beam irradiator using niobium-tin superconducting cavity

D-Medium Control the Temperature of Electron Inside and Outside the Atom

Cryogenic Distribution System for Polish Free Electron Laser Facility

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