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Investigation of spark-over voltage - density relation for gas-temperature sensing

Author / Creator
Koenig, Robert J. author
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Online
Summary

The spark-over voltage - density relation was investigated for possible use in gas-temperature-sensing methods. A method using this relation would give a rapid response rate and provide a signal ou...

The spark-over voltage - density relation was investigated for possible use in gas-temperature-sensing methods. A method using this relation would give a rapid response rate and provide a signal output that could be accommodated in the engine-control system.

Experimental results indicated that gas velocity, electrode-surface finish, and a small static-pressure tap located on an electrode had no appreciable effect on reproducibility of spark-over voltage and that a small temperature-sensing probe could be used satisfactorily in a gas-turbine engine.

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