Heat transfer enhancement in wavy falling films studied by laser-induced fluorescence

R Collignon, O Caballina, F Lemoine… - International Journal of …, 2023 - Elsevier
The characteristics of thin liquid films flowing down a uniformly heated and inclined plane
are investigated, with heat transfer across the wavy films quantified using up-to-date optical …

Simultaneous temperature and thickness measurements of falling liquid films by laser-induced fluorescence

R Collignon, O Caballina, F Lemoine, G Castanet - Experiments in Fluids, 2022 - Springer
Thin wavy liquid films are used in many applications as heat and mass transfer promoters
thanks to their great performances for a small liquid consumption. To evaluate the influence …

Heat transfer and wetting behaviour of falling liquid films in inclined tubes with structured surfaces

S Eichinger, T Storch, T Grab, S Tepel… - Applied Thermal …, 2022 - Elsevier
This study examines wetting behaviour and evaporation heat transfer of a falling liquid film
inside a circular tube carrying grooves at its internal surface. The experiments include five …

Modified surfaces to enhance vertical falling film heat transfer–An experimental and numerical study

A Åkesjö, M Gourdon, L Vamling, F Innings… - International Journal of …, 2019 - Elsevier
In this paper we investigate experimentally and numerically the potential improvement of
heat transfer in falling film units by introducing modifications of the heat transfer surfaces …

A review of falling film evaporation under different surface structures and external disturbances

Z Wan, Y Li - Journal of Enhanced Heat Transfer, 2025 - dl.begellhouse.com
Falling film evaporation has been proposed as a promising alternative to traditional pool
boiling heat exchangers due to advantages such as lower pressure drop, heat transfer …

A new family of reduced models for non-isothermal falling films

N Cellier, C Ruyer-Quil - International Journal of Heat and Mass Transfer, 2020 - Elsevier
New asymptotic models are formulated to capture the thermal transfer across falling films.
These models enable us to simulate a wide range of Biot and Peclet number values, without …

Evaporative cooling of the liquid film in slot channels with capillary-porous walls under natural convection

VO Tuz, NL Lebed, OM Tarasenko - Thermal Science and Engineering …, 2020 - Elsevier
Implementation of resource-saving technologies can be based on improving the qualitative
characteristics of heat and mass transfer equipment, which is widely used in power …

Investigations of the spreading of falling liquid films in inclined tubes

S Eichinger, T Storch, T Grab, T Fieback… - International Journal of …, 2018 - Elsevier
Starting with an extensive literature review, in this study investigations of the film spreading
of falling films inside smooth and structured tubes are presented in dependence of the tube …

Interaction of 3D waves with thermocapillary structures in a heated liquid film

ЕА Chinnov, SS Abdurakipov - International Journal of Heat and Mass …, 2020 - Elsevier
The evolution of three-dimensional waves into thermocapillary-wave structures at heating a
vertically falling water film with Reynolds number of 50 was studied experimentally. A high …

Experimental and numerical study of heat transfer in a large-scale vertical falling film pilot unit

A Åkesjö, M Gourdon, L Vamling, F Innings… - International Journal of …, 2018 - Elsevier
Heat transfer in a large-scale vertical falling film pilot unit is investigated experimentally and
numerically. We study a broad range of operating conditions with Kapitza and Reynolds …