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Saturday, May 16, 2020 | History

2 edition of Management of the installation of a 10 MeV, 50 kW electron-beam irradiator found in the catalog.

Management of the installation of a 10 MeV, 50 kW electron-beam irradiator

Management of the installation of a 10 MeV, 50 kW electron-beam irradiator

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Published by AECL Accelerators in Kanata, Ont .
Written in English

    Subjects:
  • Linear accelerators -- Research -- Canada.

  • Edition Notes

    Other titlesGestion de l"installation d"un irradiateur à faisceau électronique de 10 MeV, 50 kW
    Statementby C.B. Lawrence ... [et al.].
    SeriesAECL -- 11414, AECL (Series) -- 11414.
    ContributionsLawrence, C. B., Atomic Energy of Canada Limited., International Conference on the Application of Accelerators in Research and Industry (13th : 1994 : Denton, Tex.)
    Classifications
    LC ClassificationsTK9340 .M36 1995
    The Physical Object
    Pagination6 p. :
    ID Numbers
    Open LibraryOL20656622M
    ISBN 100660162237

    Electron beam (E-Beam) irradiation is a form of ionizing energy that is characterized by its low penetration and high-dosage rates. The beam – a concentrated, highly charged stream of electrons – is generated by accelerators capable of producing continuous or pulsed beams. As the product/material being sterilized passes the E-Beam, energy. the complete linac system. The first electron beam of ~ mA was extracted in May’ The Gun Filament power was W and the Gun Modulator was operated at 50 kV with pulse width of 10 msec and PRF of 15 Hz. A forward RF power of ~ MW peak was fed to the linac and the reflected power was ~ kW. Energy analysis of the electron beam.

    Electron-beam processing or electron irradiation (EBI) is a process that involves using electrons, usually of high energy, to treat an object for a variety of purposes. This may take place under elevated temperatures and nitrogen atmosphere. Possible uses for electron irradiation include sterilization and cross-linking of polymers.. Electron energies typically vary from the keV to MeV range. The electron source can deliver a pulsed electron beam of up to mA with an output energy of 90 keV. This design is well proven and already used at three injector systems build by ACCEL [1]. Figure 2: 3D model of the 10 MeV structure including the bunching system. The 10 MeV structure as well as the bunching section can be seen in Figure 2.

    EXPERIMENTAL STUDY OF EFFECTS ELECTRON IRRADIATION FROM 20 keV TO 1 MeV ON A POLYETHYLENE TEFEPIECRALATE CAPACITOR-TYPE METEOROID DETECTOR By Thomas G. James, Harry H. Heyson, and Clifford S. Frank Langley Research Center SUMMARY A capacitor-type meteoroid detector was irradiated with low-energy elec­ trons. Under irradiation, this detector produced . LPR-4 type linear electron accelerator (I.I. accelerator). This accelerator produces an electron beam with an average energy of 3–6 MeV, with either single electron pulses or a continuous train of pulses at a frequency of 50, 25, or Hz [2]. The pulse length is File Size: KB.


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Management of the installation of a 10 MeV, 50 kW electron-beam irradiator Download PDF EPUB FB2

Management of the installation of a 10 MeV this from a library. Management of the installation of a 10 MeV, 50 kW electron-beam irradiator. [C B Lawrence; L Armstrong; N H Drewell; J McKeown; L Scott; D O'Brien; E Svendsen; Atomic Energy of Canada Limited.].

Title Sources; Águila de acero Iron eagle: Competition index program user's manual. Management of the installation of a 10 MeV, 50 kW electron-beam irradiator. THE different types of electron beam accelerators that are used for radiation sterilization of health care products share one common feature-emission of an intense beam of high-energy electrons.

These powerful beams of electrons provide an effective source for sterilization of many types of products, but if not properly used and controlled Author: Barry P. Fairand. 20 Electron Beam Accelerators ( keV – 10 MeV) Venezuela Peru Ecuador ELU-6U, 6 – 10 MeV Cuba Haiti Dominican Republic Titan Corporation, 10 MeV EL Surbeam/Varian, keV Costa Rica El Salvador 2 Titan Corporation, 10 MeV Guatemala Mexico 2 RDI Dynamitron, 3 MeV Precision Scan, 10 MeV Nissin High Voltage, keV.

Radiation Dosimetry: Electron Beams with Energies Between 1 and 50 MeV (ICRU Report No. 35) Geoffrey S. Ibbott. Reviewer. University of Colorado Health Sciences Center, Denver, Colorado If you do not receive an email within 10 minutes, your email address may not be registered, and you may need to create a new Wiley Online Library Cited by:   Its beam power was kW at an electron energy of 10 MeV, 18 kW at 24 MeV.

Assuming % efficiency, a 1-kW beam can irradiate kg of product with a dose of 10 kGy/h. The efficiency of electron accelerators is higher than that of gamma sources because the electron beam can be directed at the product, whereas the gamma sources emit radiation Cited by: the same manufacturing rate as a 10 MeV, 50 kW electron beam, the EB source for X-ray generation will have kW of power, but will provide signi fi - cantly greater depth of penetration.

Energies from 1 to 16 MeV at beam power to 50 kW. Ion linacs. All use RFQs at to MHz. Energies from 1 to 70 MeV at beam currents to >1 mA. Circular Accelerators: As usually covered at this conference. Betatrons. Electron energies to 15 MeV at few kW beam power.

Cyclotrons. Ion energies from 10 to 70 MeV at beam currents to several mA. The industrial electron beam accelerator is ILU-6 type, pulse linear accelerator (fig.1) and can be operated up to energy 2 MeV and 20 kW power[2]. The machine is designed to deliver a dose (average) of ~ 33 kGy/s at the centre.

The beam is uniformly scanned over a length, thus constituting an irradiation area of 10 x Size: 40KB. Industrial Electron Beam Processing Overview of the Document Tony Berejka, Ionicorp+ Huntington, New York, USA 8. Electron Beam Service Centers 9. References. Introduction Electron Beam Processing Industry Energy Transfer Mevex 10 MeV, 30 Size: 2MB.

Physics of Electron Beam Radiation Therapy George Starkschall, Ph.D. – Region of uniform dose – Rapid dose fall-off Electron beam 20 MeV electrons Depth (cm) 02 10 12 14 % Depth Dose 0 20 40 60 80 3 x 3 4 x 4 5 x 5 6 x 6 8 x 8 10 x 10 Choice of energy and field sizeFile Size: KB.

support, several gamma and electron beam irradiation facilities have been built in developing countries, and some new technologies have been developed and. ELSEVIER Nuclear Instruments and Methods in Physics Research B 99 () Beam Interactions with Materials & Atoms 10 MeV, 10 kW e-beam processing linac H.

Anamkath a, F. Gower a, R. Mendonsa a, K. Whitham a, A. Zante a, T. Allen b, G. Pageau b, B. Williams b Titan Beta, Sierra Court, Dublin, CAUSA b Titan Scan, East 46th Avenue Drive, Denver, COUSA by: 6.

A comprehensive dosimetric evaluation of an in-house developed 10 MeV industrial electron beam irradiator was carried out in static as well as in dynamic mode of irradiations. TWO SPECIAL APPLICATIONS OF HIGH-ENERGY ELECTRON BEAMS 1- 2- 3- I+- 5- DEPTH cm Fig.

Comparison of dose distributions as obtained with a single standard beam of 12 MeV electrons with a 12 x 8 cm field (upper diagram), and by application of the ‘overlapping field’ technique.

MeV Practical electron beam range measured in PS (ρ= gcm-3) cm Practical electron beam range scaled to water (ρ=1 gcm-3) cm Calculated most probable energy Ep MeV Nominal electron beam energy vs.

the most probable electron beam energy: *Calibratedduring the facility installation. We go through our lives mostly unaware of the use of radiation technologies to make things safer, cleaner and more efficient.

When we travel. At 35 MeV and zero degrees with respect to the beam direction the dose rate is approximately: R0 = 1 x rads/h/kW (1 x Sv/h) at one metre times 40 kW of electron-beam power to produce a photon field of 4 7x 10 rads/h (4 x Sv/h) at one metre. At 90º the radiation dose rate is: R90 = rads/h/kW.

been done in electron beam mode at 10 MeV beam energy and 3 kW average beam power. A radiation dose of approximately 21 kGy is delivered to the product in each pass below the titanium foil, when the product is moving at a speed of mm per minute at a vertical distance of Cited by: 3.

IAEA Radiation Oncology Physics: A Handbook for Teachers and Students - Slide 1 CHAPTER 8. TABLE OF CONTENTS Central axis depth dose distributions in water Dosimetric parameters of electron beams Clinical considerations in electron beam therapy.

Depth of 50% dose in cm (R50) is multiplied by a constant (C4). Product is mean energy of the electron (Eo) beam stated in MeV at phantom surface Eo = C4R50 Practical range (Er) in cm of an electron beam in tissue Er = MeV/2 Depth of the 80% isodose line in cm in tissue 80% isodose = MeV/3 Depth of the 90% isodose line in cm in tissue 90%.The efficiency of the electron-to-X ray conversion process is relatively poor and depends on the material of the converter plate and the energy of the electron beam.

If Pb and a 5-MeV electron beam are used the efficiency is approximately 8%, while of the electron energy is converted to by: 5. In general, a kW beam has 10 times the throughput capability of a 15 kW beam. To calculate the power of an accelerator, we can use the following equation: Power = Current x Energy.

Therefore, if an accelerator is operating at 5 MeV, and the maximum current capability is 30 mA, then it is a kW .