Results 81 to 90 of about 222,018 (214)

Construction and Calibration of a Streaked Optical Spectrometer for Shock Temperature

open access: yes, 2020
Here we describe the implementation and calibration of a streaked visible spectrometer (SVS) for optical pyrometry and emission/absorption spectroscopy on light gas gun platforms in the UC Davis Shock Compression Laboratory. The diagnostic consists of an
Davies, Erik J.   +2 more
core   +1 more source

Development of techniques and associated instrumentation for high temperature emissivity measurements Quarterly progress report, 30 Sep. - 31 Dec. 1970 [PDF]

open access: yes
Emittance measurement techniques for space shuttle materials in high temperature environmental ...
Cunnington, G. R., Funai, A. I.
core   +1 more source

Measurement of Cutting Temperature in Interrupted Machining Using Optical Spectrometry. [PDF]

open access: yesSensors (Basel), 2023
Espinoza-Torres I   +6 more
europepmc   +1 more source

Emittance and absorptance of NASA ceramic thermal barrier coating system [PDF]

open access: yes
Spectral emittance measurements were made on a two-layer ceramic thermal barrier coating system consisting of a metal substrate, a NiCrAly bond coating and a yttria-stabilized zirconia ceramic coating.
Liebert, C. H.
core   +1 more source

In-situ measurements of alloy oxidation/corrosion/erosion using a video camera and proximity sensor with microcomputer control [PDF]

open access: yes
Two noncontacting and nondestructive, remotely controlled methods of measuring the progress of oxidation/corrosion/erosion of metal alloys, exposed to flame test conditions, are described.
Deadmore, D. L.
core   +1 more source

Infrared pyrometer for high resolution surface temperature measurement on rotating turbine blades [PDF]

open access: yes
A high resolution pyrometer was developed and used to obtain temperature profiles of rotating turbine blades at tip speeds up to 366 meters per second. Surface temperature variations from 920 to 1250 K can be measured and variations over distances of 0 ...
Uguccini, O. W.
core   +1 more source

Electro-optic architecture for servicing sensors and actuators in advanced aircraft propulsion systems [PDF]

open access: yes
A detailed design of a fiber optic propulsion control system, integrating favored sensors and electro-optics architecture is presented. Layouts, schematics, and sensor lists describe an advanced fighter engine system model.
Glasheen, W. M., Poppel, G. L.
core   +1 more source

Measuring the Cooling Behavior of Melt Pools in L-PBF by Pyrometry. [PDF]

open access: yesMaterials (Basel), 2023
Pfaff A   +3 more
europepmc   +1 more source

Ignition characteristics of the nickel-based alloy UNS N07718 in pressurized oxygen [PDF]

open access: yes
The development of ignition and combustion in pressurized oxygen atmospheres was studied for the nickel based alloy UNS N07718. Ignition of the alloy was achieved by heating the top.
Billiard, Phillip A.   +4 more
core   +1 more source

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