Heat flux measurements on the inner walls of a shock tube

Сапожников, С. З.; Mityakov, V. Yu.; Mityakov, A. V.; Petrov, R. L.; Григорьев, В. В.; Bobashev, S. V.; Mende, N. P.; Sakharov, V. A.

doi:10.1134/1.1646722

Cited by 8 publications

(1 citation statement)

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“…(II) Oxide thin films, such as Y-Ba-Cu-O thin films, can measure a laser heat flow signal with a pulse width of 20 ns [6], and La 1−x Ca x MnO 3 thin films can measure a laser heat flow signal with a pulse width of 15 ns [7]. (III) Single crystals, such as single crystal Bi, has a response time of 50 µs [8,9].…”

Section: Introductionmentioning

confidence: 99%

A transient heat flux sensor for PbTe thin films based on transverse Seebeck effect

Liu,

Zhao,

Liu

2023

Meas. Sci. Technol.

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Among thermoelectric materials with thermoelectric effect, lead telluride (PbTe) is widely used because of its high performance and chemical stability in the medium temperature region. In this study, PbTe was creatively employed to develop a transient thin films heat flux sensor (THFS) using magnetron sputtering technique based on the transverse Seebeck effect. After static and dynamic calibration, the rise time of the THFS is 35 μs and the sensitivity is up to 7.9 μV(kW·m−2)−1, it can be measured in transient high heat flux testing environments without the need for a signal amplifier. In the experiment of measuring transient heat flux with explosion driven shock tube, the THFS has the advantages of high resolution and high dynamic response, which provides scientific basis for the study of explosion thermal damage effect and has important significance.

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