Heat transfer during multiple droplet impingement and spray cooling: Review and prospects for enhanced surfaces

JD Benther, JD Pelaez-Restrepo, C Stanley… - International Journal of …, 2021 - Elsevier
Many systems require very high heat removal rates in small areas due to the increase in
their packing density, such as power electronics. These systems need to be cooled to …

Flash boiling: easy and better way to generate ideal sprays than the high injection pressure

M Xu, Y Zhang, W Zeng, G Zhang, M Zhang - SAE International Journal of …, 2013 - JSTOR
When heated fuel is injected into an ambient environment below its saturation pressure, the
fuel could reach superheated state and experience flash boiling. Comparing with the non …

Systematic LIF fuel wall film investigation

F Schulz, W Samenfink, J Schmidt, F Beyrau - Fuel, 2016 - Elsevier
The combustion of gasoline in modern homogeneously operated DISI engines can result in
soot particles and unburned hydrocarbons. One major source for these pollutants is the …

Influence of flash boiling spray on the combustion characteristics of a spark-ignition direct-injection optical engine under cold start

J Yang, X Dong, Q Wu, M Xu - Combustion and Flame, 2018 - Elsevier
Flash boiling occurs when liquid fuel is injected into an ambient environment below its
saturation pressure. Compared to non-flash-boiling (liquid) spray, flash-boiling spray …

Flashboiling-induced targeting changes in gasoline direct injection sprays

M Krämer, E Kull, M Wensing - International Journal of …, 2016 - journals.sagepub.com
By definition, flashboiling is referred to as superheated injections. The sudden occurrence of
boiling inside the fuel can change the spray structure dramatically. Up to 99% of all injection …

Spray development and droplet characteristics of high temperature single-hole gasoline spray

Y Liu, Y Pei, Z Peng, J Qin, Y Zhang, Y Ren, M Zhang - Fuel, 2017 - Elsevier
As increasing fuel injection pressure in GDI (Gasoline Direct Injection) engines has been
used for improving atomization quality, raising fuel temperature is also receiving more and …

Gasoline wall films and spray/wall interaction analyzed by infrared thermography

F Schulz, J Schmidt, A Kufferath, W Samenfink - SAE International Journal of …, 2014 - JSTOR
Due to the principle of direct injection, which is applied in modern homogeneously operated
gasoline engines, there are various operation points with significant particulate emissions …

The effect of operating parameters on the formation of fuel wall films as a basis for the reduction of engine particulate emissions

F Schulz, F Beyrau - Fuel, 2019 - Elsevier
Abstract The new European Emission Standard Euro 6d will limit the particulate number
emissions under real driving conditions for gasoline engines, and meeting these new …

Evaporation and condensation of flash boiling sprays impinging on a cold surface

D Xiao, S Qiu, D Hung, X Li, K Nishida, M Xu - Fuel, 2021 - Elsevier
Flash boiling spray is considered a potential solution for addressing spray impingement
related issues such as pool fire caused by spray-wall interactions, in addition to its benefit of …

Effects of flash boiling injection on in-cylinder spray, mixing and combustion of a spark-ignition direct-injection engine

X Dong, J Yang, DLS Hung, X Li, M Xu - Proceedings of the Combustion …, 2019 - Elsevier
Higher engine efficiency and ever stringent pollutant emission regulations are considered as
the most important challenges for today's automotive industry. Fast evaporation and …