An improved inversion algorithm to reconstruct 2D temperature fields of long sparks with high-speed schlieren technique

•Two-dimensional temperature fields of spark channel are firstly presented.•The deviation of the discharge channel axis can cause huge errors of temperature.•An improved inverse Abel transform algorithm is proposed.•High-speed schlieren technique is used to measure the spark channel temperature. The...

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Vydáno v:	Measurement : journal of the International Measurement Confederation Ročník 180; s. 109620
Hlavní autoři:	Liu, Xiaopeng, Wang, Xiankang, Zhao, Xiangen, Xiao, Pei, Liu, Yang, He, Junjia
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	London Elsevier Ltd 01.08.2021 Elsevier Science Ltd
Témata:	Algorithms Channels Dichotomy Discharge Errors Heat transfer High order total variation regularization High speed Inverse Abel transform Long spark Regularization Schlieren technique Temperature Temperature measurement Two-dimensional temperature reconstruction Dichotomy Long spark Schlieren technique Inverse Abel transform Two-dimensional temperature reconstruction High order total variation regularization
ISSN:	0263-2241, 1873-412X
On-line přístup:	Získat plný text
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