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SAE AIR46C

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SKU: ec926acc8cfa

The Preparation and Use of Thermocouples for Aircraft Gas Turbine Engines

Standard by SAE International, 2022-09-14

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Language: English

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SAE AIR46C

AIR46C.pdf

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This SAE Aerospace Information Report (AIR) reviews the precautions that must be taken and the corrections which must be evaluated and applied if the experimental error in measuring the temperature of a hot gas stream with a thermocouple is to be kept to a practicable minimum. Discussions will focus on Type K thermocouples, as defined in National Institute of Standards and Technology (NIST) Monograph 175 as Type K, nickel-chromium (Kp) alloy versus nickel-aluminium (Kn) alloy (or nickel-silicon alloy) thermocouples. However, the majority of the content is relevant to any thermocouple type used in gas turbine applications. AIR46C has been revised to incorporate the contents of AIR46B with three other documents to create a single comprehensive report covering thermocouples. The details of the other three documents are as follows: AIR65: Thermoelectric Circuits and the Performance of Several Aircraft ARP690: Standard Exposed Junction Thermocouple for Controlled Conduction Errors in Measurement of Air of Exhaust Gas Temperature ARP691: Recommended Ice Bath for Reference Junctions Due to the availability of similar and more up-to-date information in the public domain, together with the extensive effort required, the original material has not been brought up to date. Upon publication of AIR46C, the three superseded documents—AIR65, ARP690, and ARP691—will be cancelled. This strategy was agreed by the SAE E-32 committee in accordance with the Committee Master Plan.

SKU: ec926acc8cfa

Publication Date: 2022-09-14

Standard Status: latest

Publisher: SAE International

Document Type: Aerospace Standard

Subject: Gas turbines, Nanomaterials, Materials properties, Engine control systems, Composite materials, Control systems, Jet engines, Connectors and terminals, Silicon alloys

Official SAE: Doi link

This Version: AIR46C (2022-09-14)
Previous Version: AIR46B (2014-05-01)
Previous Version: AIR46A (1996-11-01)
Previous Version: AIR46 (1956-03-01)

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SAE AIR46C

The Preparation and Use of Thermocouples for Aircraft Gas Turbine Engines

SAE AIR46C

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