NDLI: A Dewpoint Device for HTGR Coolant

Content Provider	IEEE Xplore Digital Library
Author	Roes, John B.
Copyright Year	1963
Abstract	High-temperature gas-cooled reactors (HTGRs) use a gaseous coolant for heat transfer between the nuclear core and two or more steam generators. Leakage of steam or water from the steam generators to the coolant would expose the nuclear core to water vapor. A moisture measuring system is required to determine the moisture content of the coolant gas in the range of 0.1 to 3000 volume parts per million (ppm). Another requirement is the rapid detection of large leaks resulting in 2000 ppm or more and the identification of the leaking steam generator, thus permitting isolation of the faulty coolant loop. An optical dewpoint detector has been developed that can be used either as a dewpoint monitor or as a dewpoint trip device. The response time of the device as a trip instrument is typically 1 sec in the dewpoint range of 27°F to 128°F (100 to 3000 ppm). As a dewpoint monitor, the mirror temperature can be changed at a rate of 1°F/sec, in the range of -87°F to +128°F (0.1 to 3000 ppm). The moisture detector head is designed to operate at the full coolant pressure of 700 psia. In the HTGR application, access to the device is difficult during reactor operation, and will be cumbersome at all times because of gamma radiation environment. Therefore, exhaustive testing of all detector head components, subassemblies, and materials selection from inorganic substances has been performed to reduce maintenance to a minimum.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	41
Ending Page	45
Page Count	5
File Size	1434809
File Format	PDF
ISSN	00189499
Volume Number	15
Issue Number	1
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1968-02-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coolants Inductors Nuclear power generation Detectors Heat transfer Volume measurement Moisture measurement Leak detection Fault detection Fault diagnosis
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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