Thermal measuring and testing – Thermal testing of a nonthermal quantity
Patent
1996-12-16
1999-11-09
Hirshfeld, Andrew
Thermal measuring and testing
Thermal testing of a nonthermal quantity
374138, 7320411, 73700, 73 232, 73 3104, G01K 1302, G01N 700
Patent
active
059801026
ABSTRACT:
A fluid-filled pipe is investigated by a non-intrusive procedure to determine whether the fluid is liquid or gaseous, whether it is flowing or static, the direction of flow if it is flowing, the approximate pressure if it is a gas, and the rate of flow if it is a gas. The results are obtained by applying a heater to the surface of the pipeline and measuring the upstream and downstream temperatures of the surface of the pipe wall before and after the beginning of the application of heat. Some of the data generated is compared with data from another source to assist in the determination of the characteristics to be ascertained.
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T-MIKE E Operational Manual Sandtec Products Dean Sandstrom pp. 5-9.
Development of Heat Transfer Method, Brown et al., pp. 17-33 No Date.
Brown Susan T.
Eberle Arthur C.
Holderbaum Glenda S.
Philips David B.
Stulen Foster B.
Columbia Gas of Ohio
Hirshfeld Andrew
Millard Christen M.
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