A Portable Multi-purpose Radiation Detection Instrument PDF Download
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Author: G. T. Kiyoi
Publisher:
ISBN:
Category : Radiation
Languages : en
Pages : 58
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Book Description
A portable high range multi-purpose radiation detection instrument is described. The device performs three separate functions: (1) measurement of gamma dose rate (2) measurement of beta plus gamma dose rate and (3) measurement of beta dose rate in the presence of gamma radiation (by means of gamma cancellation). The ranges of operation for each of these functions are 0 - 2 rad/hr, 0 - 10 rad/hr, 0 - 100 rad/hr, and 0 - 1000 rad/hr in tissue under selected physical conditions. The radiac consists of a dual ionization chamber detector, an electrometer amplifier, and two transistorized power supplies. It is powered by two type D flashlight batteries and will operate continuously in excess of 90 hours with 10% meter light operation. The report covers performance data, design factors, and construction details of the instruments.
Author: G. T. Kiyoi
Publisher:
ISBN:
Category : Radiation
Languages : en
Pages : 58
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Book Description
A portable high range multi-purpose radiation detection instrument is described. The device performs three separate functions: (1) measurement of gamma dose rate (2) measurement of beta plus gamma dose rate and (3) measurement of beta dose rate in the presence of gamma radiation (by means of gamma cancellation). The ranges of operation for each of these functions are 0 - 2 rad/hr, 0 - 10 rad/hr, 0 - 100 rad/hr, and 0 - 1000 rad/hr in tissue under selected physical conditions. The radiac consists of a dual ionization chamber detector, an electrometer amplifier, and two transistorized power supplies. It is powered by two type D flashlight batteries and will operate continuously in excess of 90 hours with 10% meter light operation. The report covers performance data, design factors, and construction details of the instruments.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 33
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Book Description
The overall goal of this LDRD project was to develop instruments for use in the management of radioactive and hazardous wastes. Devices for identifying and imaging such wastes are critical to developing environmental remediation strategies. Field portable units are required to enable the on-site analysis of solids, liquids, and gas effluents. Red mercuric iodide ([alpha]-HgI2) is a semiconductor material that can be operated as a high-energy-resolution radiation detector at ambient temperatures. This property provides the needed performance of conventional germanium- and silicon-based devices, while eliminating the need for the cryogenic cooling of such instruments. The first year of this project focused on improving the materials properties of the mercuric iodide to enable the new sensor technology; in particular the charge carrier traps limiting device performance were determined and eliminated. The second year involved the development of a field portable x-ray fluorescence analyzer for compositional analyses. The third and final year of the project focused on the development of imaging sensors to provide the capability for mapping the composition of waste masses. This project resulted in instruments useful not only for managing hazardous and radioactive wastes, but also in a variety of industrial and national security applications.
Author: American National Standards Institute. National Committee on Radiation Instrumentation, N42
Publisher:
ISBN: 9780738152783
Category : Radiation
Languages : en
Pages : 32
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Book Description
Design criteria, performance requirements, and performance tests for portable radiation survey instruments are described in this standard.
Author: American National Standards Institute. National Committee on Radiation Instrumentation, N42. Institute of Electrical and Electronics Engineers
Publisher:
ISBN:
Category : Industrial safety
Languages : en
Pages : 32
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Book Description
Author: International Atomic Energy Agency
Publisher: IAEA
ISBN:
Category : Business & Economics
Languages : en
Pages : 704
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Book Description
This publication is aimed at students and teachers involved in teaching programmes in field of medical radiation physics, and it covers the basic medical physics knowledge required in the form of a syllabus for modern radiation oncology. The information will be useful to those preparing for professional certification exams in radiation oncology, medical physics, dosimetry or radiotherapy technology.
Author:
Publisher:
ISBN:
Category : Radioactivity
Languages : en
Pages : 18
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Book Description
Specific requirements are established for portable radiation protection instruments used for detection and measurement of levels of ionizing radiation fields or levels of radioactive surface contamination.
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 172
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Book Description
This Safety Report provides guidance on the establishment and operation of calibration facilities for radiation monitoring instruments. It reflects the current internationally accepted principles and recommended practices in calibration procedures, taking account of the major changes and developments that have occurred over the past decade.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 6
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Book Description
The emission of gamma rays and fast neutrons by nuclear materials provides a simple means for distinguishing between real nuclear munitions and other assemblies that are non-nuclear, such as nuclear-explosive-like test assemblies (NELAs) and conventional munitions. The presence or absence of significant numbers of neutrons and characteristic plutonium gamma rays are distinguishing attributes for plutonium munitions. The presence of energetic gamma rays from 232U daughters, if present in sufficient number, is a distinguishing attribute for highly enriched uranium munitions. Some portable instruments are being developed for verifying that munitions are or are not nuclear, and others are already commercially available. The commercial ones have been evaluated for pre-flight non-nuclear verification of NELAs in Air Force flight tests. 7 refs., 5 figs.
Author: F. Mannone
Publisher: Springer Science & Business Media
ISBN: 9401119104
Category : Technology & Engineering
Languages : en
Pages : 241
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Book Description
The use of tritium as a basic fuel material in a thermonuclear fusion reactor raises particular safety issues due to the combined effects of its physico chemical properties and radioactive nature. Furthermore the possibility of attaining further significant progresses in developing and demonstrating the feasibility of tritium burning devices relies on the handling of tritium macroquantities, say ten grammes, in a safe and reliable manner. It is also undoubted that, apart from technological constraints, any validation and exploitation of thermonuclear fusion as a source of energy will be strongly conditioned by the application of stringent operational and environmental safety criteria as it derives from norms of the modern legislation and public acceptance considerations. Even if the safe handling of tritium has already been demonstrated to be feasible on a full fuel cycle scale, it is unanimously recognized that further efforts are still to be concentrated on the improvement of current concepts and development of advanced technologies. Some of the areas requiring substantial additional efforts are plasma exhaust fuel c1ean-up, tritium pellet injection, processing of inert carrier gas, development of large free-oil pumps,tritlUm process analytics, development of large detritiation systems, beryllium-tritium interaction studies, tritium hold-up studies in getter beds, adsorbers and structural materials, tritium recovery from first wall, structural and breeder materials for minimizing tritiated waste arising,tritium storage technology, tritiated waste disposal technolo~y, methodology for routine tritium accountancy,etc . . Most of them are intrinsically related to the safety requirement of tritium technology.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Handheld, backpack, and mobile sensors are elements of the Global Nuclear Detection System for the interdiction and control of illicit radiological and nuclear materials. They are used by the U.S. Department of Homeland Security (DHS) and other government agencies and organizations in various roles for border protection, law enforcement, and nonproliferation monitoring. In order to systematically document the operational performance of the common commercial off-the-shelf portable radiation detection systems, the DHS Domestic Nuclear Detection Office conducted a test and evaluation campaign conducted at the Nevada Test Site from January 18 to February 27, 2006. Named 'Anole', it was the first test of its kind in terms of technical design and test complexities. The Anole test results offer users information for selecting appropriate mission-specific portable radiation detection systems. The campaign also offered manufacturers the opportunity to submit their equipment for independent operationally relevant testing to subsequently improve their detector performance. This paper will present the design, execution, and methodologies of the DHS Anole portable radiation detection system test campaign.
