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Self-validating thermocouple
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Copyright Year | 2010 |
| Description | Self-Validating Thermocouple (SVT) Systems capable of detecting sensor probe open circuits, short circuits, and unnoticeable faults such as a probe debonding and probe degradation are useful in the measurement of temperatures. SVT Systems provide such capabilities by incorporating a heating or excitation element into the measuring junction of the thermocouple. By heating the measuring junction and observing the decay time for the detected DC voltage signal, it is possible to indicate whether the thermocouple is bonded or debonded. A change in the thermal transfer function of the thermocouple system causes a change in the rise and decay times of the thermocouple output. Incorporation of the excitation element does not interfere with normal thermocouple operation, thus further allowing traditional validation procedures as well. |
| File Size | 588140 |
| Page Count | 10 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_20110000833 |
| Archival Resource Key | ark:/13960/t1sf7rj4j |
| Language | English |
| Publisher Date | 2010-11-30 |
| Access Restriction | Open |
| Subject Keyword | Electronics And Electrical Engineering Electric Potential Patents Debonding Materials Short Circuits Thermocouples Transfer Functions Inventions Detection Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Patent |
