Particulate Filtration in Nuclear Facilities PDF Download
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Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 120
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Book Description
The removal of particulate radioactive material from exhaust air or gases is an essential feature of virtually all nuclear facilities. Recent IAEA publications have covered the broad designs of off-gas and air cleaning systems for a range of nuclear power plants and other facilities. This report is a complementary guidebook that examines in detail the latest developments in the design, operation, maintenance and testing of fibrous air filters.
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 120
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Book Description
The removal of particulate radioactive material from exhaust air or gases is an essential feature of virtually all nuclear facilities. Recent IAEA publications have covered the broad designs of off-gas and air cleaning systems for a range of nuclear power plants and other facilities. This report is a complementary guidebook that examines in detail the latest developments in the design, operation, maintenance and testing of fibrous air filters.
Author: P. Linder
Publisher:
ISBN:
Category : Aerosols
Languages : en
Pages : 94
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Book Description
Author: U.S. Atomic Energy Commission. Directory of Licensing
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages : 104
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Book Description
Author: Agence internationale de l'énergie atomique
Publisher:
ISBN:
Category :
Languages : en
Pages : 103
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Book Description
Author: P. Linder
Publisher:
ISBN: 9789201256706
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
Author: International Atomic Energy Agency
Publisher: Bernan Press(PA)
ISBN:
Category : Air
Languages : en
Pages : 88
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Book Description
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 132
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Book Description
This report is aimed at: (a) quantifying airborne radionuclides in off-gas and ventilation air streams in nuclear power plants; (b) reviewing the current status and latest development trends in design for normal operation and design basis accidents; (c) providing guidelines for design.
Author: C. A. Burchsted
Publisher:
ISBN:
Category : Air filters
Languages : en
Pages : 0
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Book Description
Author: International Atomic Energy Agency
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 132
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Book Description
Air cleaning systems are subjected to major challenges under accident conditions and the potential large source terms require the highest environmental protection from atmospheric release. The objective of this report is to consider the principles involved and to survey existing systems and equipment for the mitigation of the consequences of abnormal plant operations, including severe accidents beyond the design basis. Some experiences under abnormal conditions and international trends in the development of accident air cleaning are also included.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Objective: Develop a set of peer-review and verified analytical methods to adjust HEPA filter performance to different flow rates, temperatures and altitudes. Experimental testing will measure HEPA filter flow rate, pressure drop and efficiency to verify the analytical approach. Nuclear facilities utilize HEPA (High Efficiency Particulate Air) filters to purify air flow for workspace ventilation. However, the ASME AG-1 technical standard (Code on Nuclear Air and Gas Treatment) does not adequately describe air flow measurement units for HEPA filter systems. Specifically, the AG-1 standard does not differentiate between volumetric air flow in ACFM (actual cubic feet per minute)compared to mass flow measured in SCFM (standard cubic feet per minute). More importantly, the AG-1 standard has an overall deficiency for using HEPA filter devices at different air flow rates, temperatures, and altitudes. Technical Approach: The collection efficiency and pressure drops of 18 different HEPA filters will be measured over a range of flow rates, temperatures and altitudes. The experimental results will be compared to analytical scoping calculations. Three manufacturers have allocated six HEPA filters each for this effort. The 18 filters will be tested at two different flow rates, two different temperatures and two different altitudes. The 36 total tests will be conducted at two different facilities: the ATI Test facilities (Baltimore MD) and the Los Alamos National Laboratory (Los Alamos NM). The Radiation Protection RP-SVS group at Los Alamos has an aerosol wind tunnel that was originally designed to evaluate small air samplers. In 2010, modifications were started to convert the wind tunnel for HEPA filter testing. (Extensive changes were necessary for the required aerosol generators, HEPA test fixtures, temperature control devices and measurement capabilities.) To this date, none of these modification activities have been funded through a specific DOE or NNSA program. This is expected to require six months of time, after receipt of funding. Benefits: US DOE facilities that use HEPA filters will benefit from access to the new operational measurement methods. Uncertainty and guesswork will be removed from HEPA filter operations.
