Published May 22, 1990 | Version v1
Patent

Thermocouple based control rod position indication system

Description

This patent describes a rod position determination method. It comprises: measuring core coolant inlet temperature; measuring core coolant assembly exit temperature associated with a control rod; determining enthalpy rise from the inlet and exit temperature and a reference for an assembly containing the rod; determining the rod position charge; and determining the rod position from the rod position change and a reference rod position

Availability note (English)

Patent and Trademark Office, Box 9, Washington, DC 20232 (USA).

Additional details

Publishing Information

Imprint Pagination
vp.
IPC:
Int. Cl. G21C 17/00.
IPC
Int. Cl. G21C 17/00.
Patent number
US patent document 4927594/A/

INIS

Country of Publication
United States
Country of Input or Organization
United States
INIS RN
21087779
Subject category
S22: GENERAL STUDIES OF NUCLEAR REACTORS; S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY;
Resource subtype / Literary indicator
Non-conventional Literature
Descriptors DEI
CONTROL ELEMENTS; MEASURING METHODS; POSITIONING; TEMPERATURE MEASUREMENT; THERMOCOUPLES
Descriptors DEC
MEASURING INSTRUMENTS; REACTOR COMPONENTS