Patent ID: 11909185
Assignee: PLUMETTAZ HOLDING SA
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  F | IPC F  H

Claim 5:
6. The method according to claim 1, wherein, before the leaking mode has started, the pressurized liquid is supplied at a flow Φv as defined in formula:, 1
      4
    
    ⁢
    
      
        π
        ⁡
        
          (
          
            
              D
              d
              2
            
            -
            
              D
              c
              2
            
          
          )
        
      
      ·
      
        v
        cable
      
    
  
  ≤
  
    Φ
    V
  
  ≤
  
    
      1.2
      4
    
    ⁢
    
      
        π
        ⁡
        
          (
          
            
              D
              d
              2
            
            -
            
              D
              c
              2
            
          
          )
        
      
      ·
      
        v
        cable
      
    
  

where:
Φv is the supplied flow of pressurized liquid (m3/s),
Dc is the external diameter of the cable (m),
Dd is the internal diameter of the duct (m),
Vcable is the speed of the cable into the duct (m/s).