专利名称:Method for verifying the pressure in a nuclear reactor fuel rod
发明人:William J. Jones
申请号:US05/831460
申请日:19770908
公开号:US04136553A
reactor pressure中文公开日:
19790130
专利内容由知识产权出版社提供
摘要:A method of accurately verifying the pressure contained in a sealed pressurized fuel rod by utilizing a pressure balance measurement technique wherein an end of the fuel rod extends through and is sealed in a wall of a small chamber. The chamber is pressurized to the nominal (desired) fuel rod pressure and the fuel rod is then pierced to interconnect the chamber and fuel rod. The deviation of chamber pressure is noted. The final combined pressure of the fuel rod and drill chamber is substantially equal to the nominal rod pressure; departure of the combined pressure from nominal is in direct proportion to departure of rod pressure from nominal. The maximum error in computing the rod pressure from the deviation of the combined pressure from nominal is estimated at plus or minus 3.0 psig. for rod pressures within the specified production limits. If the rod pressure is corrected for rod void volume using a digital printer data record, the accuracy improves to about plus or minus 2.0 psig.
申请人:WESTINGHOUSE ELECTRIC CORP.
代理人:J. R. Campbell,Z. L. Dermer
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