We experimentally investigate the evaporation of very volatile liquid droplets (Novec 7000 Engineered Fluid) in a turbulent spray. Droplets with diameters order few micrometers are produced by spray nozzle and then injected into purpose-built enclosed dodecahedral chamber, where ambient temperature relative humidity chamber carefully controlled. observe water condensation on rapidly evaporating...

The soot formation processes of conventional and low temperature diesel combustion were investigated by a newly developed Forward Illumination Light Extinction (FILE) soot measurement technique in a constant volume spray chamber. The FILE technique has the capability to obtain two-dimensional time-resolved quantitative soot measurements. For diesel combustion at conventional ambient condition, ...

but also improves the uniformity of the spray pattern. Turbulence chamber nozzles are available in a turbo flood tip and now in the turbo flat-fan design. The turbo flatfan design shows great improvements in pattern uniformity when compared to the extended range flat-fan and other drift reduction flat-fan designs. In addition, the turbo flat-fan has significantly reduced the percentage of drift...

The effect of various humidities on process yields and degrees of crystallinity for spray-dried powders from spray drying of lactose with humid air in a straight-through system have been studied. It has been suggested by Williams–Landel–Ferry kinetics (WLF) that a higher particle temperature and lower glass-transition temperature would increase the crystallization rate of the particles during t...

oxides of nitrogen are the major emission from a diesel engine. it is due to heterogeneous diffusion combustion system with fuel-rich regions, which produce high local temperature around the periphery of the spray where high formation rate of no is promoted. various techniques are therefore employed to reduce the nox emission like egr, scr, etc. in this present work a rotating injector is a tec...

The relationship between malathion droplet size (VMD) and degree of damage to 1990, 1K and 2K General Motors paint standards was investigated in the laboratory and field. Laboratory tests indicated a positive correlation between malathion droplet VMD and damage spot size. Laboratory settling chamber tests revealed that size-thresholds of droplets too small to cause visible damage averaged 8 and...

In this study, the comparison and monitoring of the initial greenhouse gas (GHG) emissions using a flux chamber and gas analyzer from three different liquid manure application methods at a swine farm in Kentucky were carried out. Swine slurry was applied to farmland by row injection, surface spray, and Aerway injection. Ammonia and GHG concentrations were monitored immediately after application...

In underground coal gasification (UCG), it is essential for UCG production to accurately control the temperature of gas produced at wellhead well and correctly calculate variation law field in whole wellbore. wellbore structures use three sprayed water cooling schemes. These schemes consider heat exchange mechanism between formation, division into spray chamber section non-spray section, establ...