scholarly journals UREA-WATER DROPLET PHASE CHANGE AND REACTION MODELLING: MULTI-COMPONENT EVAPORATION APPROACH

2016 ◽  
Vol 7 ◽  
Author(s):  
Viraj Suresh Shirodkar
Keyword(s):  
Phase Change ◽  
Water Droplet ◽  
Droplet Phase

scholarly journals Experimental Investigation of Water Droplet Phase Change in Humidi-fied Air Flow

Mechanika ◽  
2020 ◽  
Vol 26 (3) ◽  
pp. 197-205
Author(s):  
Virginijus RAMANAUSKAS ◽  
Linas PAUKŠTAITIS ◽  
Gintautas MILIAUSKAS ◽  
Egidijus PUIDA
Keyword(s):  
Experimental Investigation ◽  
Phase Change ◽  
Experimental Research ◽  
Water Droplet ◽  
Research Method ◽  
Air Flow ◽  
Equivalent Diameter ◽  
Initial Water ◽  
Humidified Air ◽  
Droplet Phase

An experimental research method and an analysis of the results of a water droplet phase change in the additionally humidified air flow are presented. The diagrams of variation of the equivalent diameter of convectively heated water droplets are presented and analysed. The influence of initial water temperature and additionally humidifying air flow on the phase change of a droplet in transient regime is experimentally substantiated.

Critical Conditions for Secondary Droplets Generated by Droplets Colliding Walls With Different Angles

2020 ◽  
Author(s):  
Yikai Wu ◽  
Wenxuan Ju ◽  
Yusheng Liu ◽  
Fulong Zhao ◽  
Sichao Tan
Keyword(s):  
Phase Change ◽  
Separation Efficiency ◽  
Three Dimensional ◽  
Gravity Separation ◽  
Critical Conditions ◽  
Vapor Flow ◽  
Change Model ◽  
Water Separation ◽  
Critical Separation ◽  
Droplet Phase

Abstract The single droplet phase change model during motion is developed based on the phenomena description and mechanism comprehension, which including the droplet phase change model as well as the droplet motion model. Then, the calculation of the droplet phase change characteristics during moving in the uniform flow in the gravity separation space is conducted. The results show that when the droplet are evaporating during its moving, the radius will decrease continuously and it will be carried more easily by the steam vapor, which will lead to the larger separation radii of the droplets and the reduced the gravity separation efficiency. In addition, this paper shows the three-dimensional map for the critical separation over the pressure difference and the steam vapor flow velocity, which can contribute to forecast the influence of the droplet phase change on the separation characteristics. The results can be applied in the design of the steam-water separation plants.

Parametric Analysis on Water Droplet Dynamics and Phase Change

2019 ◽  
Vol 28 (2) ◽  
pp. 211-238
Author(s):  
G. Lorenzini ◽  
O. Saro ◽  
E. Lorenzini
Keyword(s):  
Phase Change ◽  
Water Droplet ◽  
Parametric Analysis ◽  
Droplet Dynamics

Droplet phase change model and its application in wave-type vanes of steam generator

2018 ◽  
Vol 111 ◽  
pp. 176-187 ◽  
Author(s):  
Fulong Zhao ◽  
Chenru Zhao ◽  
Hanliang Bo
Keyword(s):  
Phase Change ◽  
Steam Generator ◽  
Change Model ◽  
Wave Type ◽  
Droplet Phase

Phase change and droplet dynamics for a free falling water droplet

2017 ◽  
Vol 115 ◽  
pp. 461-470 ◽  
Author(s):  
K.R. Sultana ◽  
K. Pope ◽  
L.S. Lam ◽  
Y.S. Muzychka
Keyword(s):  
Phase Change ◽  
Water Droplet ◽  
Droplet Dynamics ◽  
Free Falling
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