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Application and characteristic analysis of nickel-chromium and nickel-silicon thermocouple(PDF)

《火箭推进》[ISSN:1672-9374/CN:CN 61-1436/V]

Issue:
2010年05期
Page:
63-68
Research Field:
测控与试验
Publishing date:

Info

Title:
Application and characteristic analysis of nickel-chromium and nickel-silicon thermocouple
Author(s):
LI Jian-jun
Xi’an Aerospace Propulsion Test Technique Institute, Xi’an 710100, China
Keywords:
-
PACS:
V433.9-33
DOI:
-
Abstract:
Taking the application of nickel-chromium and nickel-silicon thermocouple in the rocket engine test as a research object, its characteristic and the main factors of affecting measurement are elaborated, and the degradation existing in the application of the nickel-chromium and nickel-silicon thermocouple is analyzed and discussed. The result shows that the degradation of the nickel-chromium and nickel-silicon thermocouple is unavoidable, and the degradation can be different with its packaging, temperature, diameter and working duration. The K state and preferred oxidation of nickel-chromium and nickel-silicon thermocouple, as well as its effects on measurement are described in this paper. The method of thermocouple treatment is concluded according to the data obtained in the past tests.

References:

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