2022
DOI: 10.1177/14680874221118970
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Highly time-resolved heat flux measurement in a combustion engine

Abstract: In this study a fast-response Atomic Layer Thermopile (ALTP) based heat flux measurement system is used for wall heat-flux determination in the combustion chamber of a commercially available SI-gasoline combustion engine. The ALTP system provides further process variables that supplement conventional cylinder pressure data with data that are highly resolved in time and location. The newly developed sensor modules were precisely calibrated and compared with other measurement techniques with radiation- and conve… Show more

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Cited by 5 publications
(2 citation statements)
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“…The atomic layer thermopile is a novel fast-response sensor for transient heat-flux measurements (Roediger et al (2008)), and it has been successfully employed in hypersonic flows (Knauss et al (2009), Roediger et al (2009)) or for hot exhaust gases (Huber et al (2022)).…”
Section: Introductionmentioning
confidence: 99%
“…The atomic layer thermopile is a novel fast-response sensor for transient heat-flux measurements (Roediger et al (2008)), and it has been successfully employed in hypersonic flows (Knauss et al (2009), Roediger et al (2009)) or for hot exhaust gases (Huber et al (2022)).…”
Section: Introductionmentioning
confidence: 99%
“…They discovered that sensitivity transfer between radiation-calibrated sensors used in predominantly convective environments is not always feasible, potentially leading to substantial systematic errors [11]. They were also the first to apply ALTP to measure heat flux on an internal combustion engine's combustion chamber wall, recording values as high as 1250 W/cm 2 [12]. Furthermore, Huber, K and Rodiger, T introduced a novel atomic layer thermopile sensor capable of directly measuring temperature and heat flow simultaneously.…”
Section: Introductionmentioning
confidence: 99%