Gasdynamic regimes of evaporation and explosion of a water aerosol droplet

1993 ◽  
Vol 64 (1) ◽  
pp. 23-26
Author(s):  
A. N. Kucherov
Keyword(s):  
Water Aerosol ◽  
Aerosol Droplet

Research of the Chlorine Sorption Processes when its Deposition by Water Aerosol

2021 ◽  
Vol 1038 ◽  
pp. 361-373
Author(s):  
Maksym Kustov ◽  
Andriy Melnychenko ◽  
Dmytro Taraduda ◽  
Alla Korogodska
Keyword(s):  
Sodium Hydroxide ◽  
Water Flow ◽  
Experimental Verification ◽  
Sorption Process ◽  
Water Aerosol ◽  
Sorption Model ◽  
Laboratory Facility ◽  
Wide Range ◽  
Hazardous Gases ◽  
Experimental Laboratory

Modified stepwise model of gas sorption process with finely dispersed water flow. The sorption model allows forecasting the intensity of hazardous gases deposition with adequate for the emergency recovery conditions accuracy using minimum input parameters. This allows using the sorption model under the conditions of emergency and increasing the forecasting promptness. Use of chemical neutralizer is proposed to increase the effectiveness of chlorine hazardous gas deposition. Use of sodium hydroxide is proposed as the chlorine chemical neutralizer, which is easily dissolved in water, non-toxic and easy to store. An experimental laboratory facility was developed and created with the purpose of experimental verification of the sorption processes, which allows researching the sorption processes by liquid aerosols within a wide range of dispersity. Adequacy of the existing models as well as the modified one was verified experimentally. The verification results showed a 5% indicator of the theoretical and experimental results compliance.

scholarly journals Effect of Ammonium Nitrate on Nanoparticle Size Reduction

2008 ◽  
Vol 2008 ◽  
pp. 1-4 ◽  
Author(s):  
Kalyana C. Pingali ◽  
Shuguang Deng ◽  
David A. Rockstraw
Keyword(s):  
Ammonium Nitrate ◽  
Metallic Nanoparticles ◽  
Particle Diameter ◽  
Feed Solution ◽  
Pyrolysis Process ◽  
Foaming Agent ◽  
Aerosol Droplet ◽  
Order Of Magnitude ◽  
Spray Pyrolysis Process ◽  
20 Nm

Ammonium nitrate was added to the spraying solution as a foaming agent to reduce the particle size of nanoparticles synthesized in the spray-pyrolysis process. Ammonium nitrate was effective in breaking the aerosol droplet size and generating nanoparticles that were of approximately one order-of-magnitude (from 200 to 20 nm) smaller diameter than those created in the absence of ammonium nitrate in the feed solution. This technique makes it possible to control the particle diameter of metallic nanoparticles below 20 nm.

scholarly journals Droplet and Aerosol Suspension Times in Ambient Air in Confined Spaces and Transmission of COVID-19: Influence of Environmental Factors

2021 ◽  
Vol 13 (2) ◽  
pp. 495-506
Author(s):  
M. R. Islam ◽  
S. H. Naqib
Keyword(s):  
Relative Humidity ◽  
Environmental Factors ◽  
Ambient Air ◽  
Confined Space ◽  
Natural Processes ◽  
Confined Spaces ◽  
Potential Source ◽  
Aerosol Droplet ◽  
Exhaled Air ◽  
Mode Of Transmission

The COVID‑19 pandemic, alternatively known as the coronavirus pandemic, is an unfolding pandemic of coronavirus disease 2019 (COVID‑19) across the entire globe in an unprecedented proportion. COVID-19 is caused by severe acute respiratory syndrome coronavirus 2. The mode of transmission of COVID-19 is a subject of intense research. The airborne transmission is one prime possibility. Breathing and talking are natural processes which generate exhaled particles. The exhaled air is an aerosol/droplet composed of naturally produced particulates of varying size. The duration over which the aerosols/droplets are suspended in the air is an important factor. Long suspended aerosols/droplets are potential source of transmission, particularly in confined spaces. We have calculated times of suspension by considering various environmental factors, namely, the ambient temperature and relative humidity in a confined space, in this work. Both temperature and relative humidity affect the suspension time of the exhaled aerosols/droplets with varying degree. The effects of environmental factors are significant for aerosols, particularly for those with small radii. We have discussed the possible implications of our findings in this paper.

scholarly journals Visualization of the interaction of water aerosol and nanofiber mesh

2021 ◽  
Vol 33 (9) ◽  
pp. 092106
Author(s):  
Boyang Yu ◽  
Jian Chen ◽  
Daner Chen ◽  
Rouxi Chen ◽  
Yuenan Wang ◽  
...  
Keyword(s):  
Water Aerosol ◽  
Nanofiber Mesh

Studies of the parameters of a spark discharge between an artificial charged water-aerosol cloud and the ground

2005 ◽  
Vol 50 (7) ◽  
pp. 868-875 ◽  
Author(s):  
A. G. Temnikov ◽  
A. V. Orlov ◽  
V. N. Bolotov ◽  
Yu. V. Tkach
Keyword(s):  
Spark Discharge ◽  
Water Aerosol ◽  
Aerosol Cloud ◽  
Charged Water
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