Patent ID: 11907331
Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 5:
6. The method for evaluating the fractal dimension of the particle matter in the dispersing system according to claim 1, wherein the acquiring a standard deviation σ of a particle radius r of the particle matter in the dispersing system in logarithmic normal distribution comprises:
particle radius distribution determination: determining the particle radius ri of the particle matter in the dispersing system and a particle content pi of the particle matter having the particle radius ri;
first calculation: calculating an expectation E(r) and a variance D(r) of particle radius distribution of the particle matter in the dispersing system, calculation formulas being:, E
   ⁡
   (
   r
   )
  
  =
  
   
    ∑
    
     i
     =
     1
    
    n
   
   
    
     r
     i
    
    ⁢
    
     p
     i, D
   ⁡
   (
   r
   )
  
  =
  
   
    ∑
    
     i
     =
     1
    
    n
   
   
    
     
      [
      
       
        r
        i
       
       -
       
        E
        ⁡
        (
        r
        )
       
      
      ]
     
     2
    
    ⁢
    
     p
     i
    
   
  
 

and second calculation: calculating the standard deviation σ of the particle radius distribution of the particle matter on the basis of the calculated expectation E(r) and variance D(r), a calculation formula being:, σ
  =
  
   
    ln
    [
    
     1
     +
     
      
       D
       ⁡
       (
       r
       )
      
      
       
        E
        ⁡
        (
        r
        )
       
       2
      
     
    
    ]
   
  
 

wherein, n is the number of particle radii of the particle matter.