Title page for etd-1023116-170751


[Back to Results | New Search]

URN etd-1023116-170751
Author Ping-yao Wang
Author's Email Address M033020106@student.nsysu.edu.tw
Statistics This thesis had been viewed 5348 times. Download 0 times.
Department Mechanical and Electro-Mechanical Engineering
Year 2016
Semester 1
Degree Master
Type of Document
Language zh-TW.Big5 Chinese
Title Numerical simulation of droplet collision dynamics and the development of simplified heat transfer analysis
for slag particles’ flying in the granulating system
Date of Defense 2016-11-22
Page Count 65
Keyword
  • CFD
  • droplet collide
  • waste heat recovery
  • rotary cup
  • granulating system
  • Abstract The study established developments of the relationship between the rotary cup’s rotational speed and particles’ diameter with slag’s mass flow ratio to determine the particles’ formation conditions. We can get the average diameter of particles, the particles’ flying distance and simplified heat transfer situations by references formulas. The model is divided three steps to analyze particles’ flying and temperature. Step.1:Particlehorizontal flying. Step.2:Particle colliding. Step.3:Particle free falling. The results show that particles flying is the best way to decrease the temperature at relative high speed. Bottom flowing also plays an important role in the granulating system.
    In the droplet collision section, when the droplet contacts the wall, contact area and contact time change. Considering some physical operating conditions, we can obtain the effects on its contact area and the maximum contact time. The higher density and bigger diameter the higher contact area and higher maximum time; the higher surface tension, the lower maximum contact time and contact area; the higher droplet’s velocity, the higher contact area but lower maximum contact time.
    Advisory Committee
  • Chien-Hsiung Tsai - chair
  • Kuang-Chuan Lin - co-chair
  • Hsieh, Wei-Dong - co-chair
  • Sheng-Yen Hsu - advisor
  • Files
  • etd-1023116-170751.pdf
  • Indicate in-campus at 99 year and off-campus access at 99 year.
    Date of Submission 2016-11-25

    [Back to Results | New Search]


    Browse | Search All Available ETDs

    If you have more questions or technical problems, please contact eThesys