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A New Apparatus for Measuring the Temperature at Machine Parts Rotating at High Speeds

Author
Gnam, E.
Published
April 1945.
Physical Description
1 electronic document
Online Version

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Unclassified, Unlimited, Publicly available.
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Summary
After a brief survey of the available methods for measuring the temperatures of machine parts at high speed, in particular turbine blades and rotors, an apparatus is described which is constructed on the principle of induction. Transmission of the measuring current by sliding contacts therefore is avoided. Up-to-date experiments show that it is possible to give the apparatus a high degree of sensitivity and accuracy. In comparison with sliding contact types, the present apparatus shows the important advantage that it operates for any length of time without wear, and that the contact difficulties, particularly occurring at high sliding speeds,are avoided.
Other Subject(s)
Collection
NASA Technical Reports Server (NTRS) Collection.
Note
Document ID: 20050019674.
NACA-TM-1080.
Motortechnische Zeitschrift; Volume 5; No. 10; 289-291.
Terms of Use and Reproduction
No Copyright.
View MARC record | catkey: 15964156