Research On Droplet Dynamics Effect Based On Environmental Factors

In all kinds of liquid fuel engines,the breakup and atomization of liquid fuel is one of the important part in the combustion process.Considering the influence of gas-liquid phase physical property changes on droplet force balance under convection and radiation environments.Therefore,it is essential to study the effects of droplet dynamics on environmental factors.Based on previous research,taking n-Dodecanese as an example,through numerical simulation,the improvement of droplet dynamics model and the influence of environmental factors on droplet dynamics are studied.Mainly include:(1)Based on the improved TAB model and the internal heat conduction model of the droplet,the program,and the reliability of the model and the program are verified.(2)based on calculating the influence of ambient temperature on the deformation and breaking of droplets,the influences of environmental pressure,gas-liquid relative velocity,droplet diameter,and initial droplet temperature on the droplet surface temperature and droplet deformation and breaking were calculated,and obtained: The law of the influence of environmental factors on droplet dynamics.(3)Under the condition of considering the internal absorption of droplet radiation,the influence of ambient radiation temperature on droplet deformation under various environmental factors is calculated and analyzed.This paper studies the dynamic breakup of droplets under different environmental factors.The effects of environmental factors on the droplet deformation and breakup are obtained.And those lay the foundation for further study of droplet dynamics effects.