Single-Shot Temperature Measurements in a Scramjet Combustor Using Thermally Assisted Laser-Induced Fluorescence

Sopek, Tamara; Brieschenk, Stefan; Vanyai, Tristan; Morgan, Richard G.; McIntyre, Timothy J.

doi:10.2514/1.j058985

Cited by 5 publications

(1 citation statement)

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“…The recorded fluorescence is proportional to the population of the lower state and is comparable to the rotational energy in the Boltzmann distribution, from which the temperature is derived. The method of two-line thermometry PLIF is described in detail in [8]. The approach is to excite two different lower states to the same upper state, register the fluorescence signal and determine the ratio of the fluorescence intensity for two different excitation lines.…”

Section: Introductionmentioning

confidence: 99%

Temperature field measurements between a Bunsen flame and flat a cold plate by using PLIF

Tolstoguzov

Chikishev

2022

J. Phys.: Conf. Ser.

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The present experimental work reports on the temperature measurements in a Bunsen flame, covered by a flat cooled plate from the top. The temperature field is measured based on the planar laser-induced fluorescence method for hydroxyl radical (OH) during the excitation of excitation Q1(8) line of the (1-0) band of the A2Σ+-X2Π electronic system. Thermometry was based on the imaging of the ratio of the fluorescence intensity for the band (2-0) and bands (0-0), (1-1). The paper presents the obtained temperature fields for the distances between the plate and the burner of 1, 2 and 3 calibres. The paper also concludes that the used method can be implemented using a single-pulse laser illumination and is effective for the detection of cold zones.

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Section: Introductionmentioning

confidence: 99%