A benchmark study for the crown-type splashing dynamics of one-and two-component droplet wall–film interactions

A Geppert, A Terzis, G Lamanna, M Marengo… - Experiments in …, 2017 - Springer
The present paper investigates experimentally the impact dynamics of crown-type splashing
for miscible two-and one-component droplet wall–film interactions over a range of Weber …

Splashing characteristics of diesel exhaust fluid (AdBlue) droplets impacting on urea-water solution films

A Terzis, M Kirsch, V Vaikuntanathan, A Geppert… - … Thermal and Fluid …, 2019 - Elsevier
The rapid implementation of Selective-Catalytic-Reduction (SCR) technologies into light
passenger and commercial vehicles, led to the omission of fundamental research creating …

Classification of impact morphology and splashing/deposition limit for n-hexadecane

A Geppert, D Chatzianagnostou, C Meister… - Atomization and …, 2016 - dl.begellhouse.com
This study presents an experimental and numerical investigation on the impact morphology
and the onset of splashing for the interaction of a hexadecane drop with a thin wall-film of …

Miscibility and wettability: how interfacial tension influences droplet impact onto thin wall films

R Bernard, D Baumgartner, G Brenn… - Journal of fluid …, 2021 - cambridge.org
The influence of miscibility and liquid wettability during droplet impact onto thin wall films is
investigated experimentally. Despite similar liquid properties and impact conditions …

Towards the numerical determination of the splashing threshold of two-component drop film interactions

J Steigerwald, M Ibach, J Reutzsch… - … Performance Computing in …, 2021 - Springer
The scenario of an impacting drop onto a film is highly relevant in many natural and
technical systems. A fundamental and often required parameter of these interactions is the …

Generalized analysis of the deposition/splashing limit for one-and two-component droplet impacts upon thin films

R Bernard, P Foltyn, A Geppert, G Lamanna… - Ilass Europe. 28th …, 2017 - riunet.upv.es
[EN] Single drop impacts on thin liquid layers are of particular interest because of the
ejection of secondary droplets, the so-called splashing. Only a few studies handle the …

Impact of lubricating oil films on spray-wall interaction

K Seel, MA Reddemann, T Baltaci, R Kneer - 2015 - sae.org
In this study the interaction of diesel sprays with thin oil films is optically investigated under
engine relevant conditions. Oil films of a few micrometer thickness are generated using a …

Three-dimensional simulations of oil dilution in DI diesel engines under motoring conditions with varying injection timing

T Hori, K Yamaji, F Akamatsu - 2019 - sae.org
This study presents a simulation method for oil dilution in diesel engines by a post injection
to understand the oil dilution mechanism and to improve an empirical model predicting the …

潤滑油膜に対するディーゼル噴霧衝突挙動のモデリング―臨界ウェーバ数の計測―

溝渕直人, 神戸浩揮, 松村恵理子, 北村高明… - 自動車技術会論文 …, 2018 - jstage.jst.go.jp
抄録 エンジン筒内で噴射された燃料がシリンダライナ上のオイル油膜に衝突し,
付着することは燃費や摺動性に多大な影響を及ぼす. 本研究では, 拡大レンズ系を使用し高解像度 …

エンジンシリンダ壁面への燃料噴霧衝突を模した異種液体間液滴・液膜衝突の観察

岡本真也, 川島久宜, 内田亮, 田中大輔… - 日本機械学会論文 …, 2021 - jstage.jst.go.jp
抄録 Droplet impingement to wet wall is observed and classified. The wet wall has a thin
liquid film which is different kind of liquid from the droplets. The present study models the …