Patent ID: 11970964
Assignee: WATLOW ELECTRIC MANUFACTURING COMPANY
Field: Environmental technology (Chemistry)
Classification: CPC F  G  H  Y | IPC F  G  H

Claim 6:
7. The method of claim 6, wherein the outlet temperature of the resistive heating element is calculated based on the following equation:, T
    
      out
      ,
      1
    
  
  =
  
    
      
        2
        ·
        
          m
          .
        
        ·
        
          C
          P
        
        ·
        
          T
          
            
              i
              ⁢
              
                
              
              ⁢
              n
            
            ,
            1
          
        
      
      +
      
        h
        ·
        
          
            A
            s
          
          ⁡
          
            (
            
              
                2
                ⁢
                
                  T
                  s
                
              
              -
              
                T
                
                  
                    i
                    ⁢
                    
                      
                    
                    ⁢
                    n
                  
                  ,
                  1
                
              
            
            )
          
        
      
    
    
      2
      ·
      
        m
        .
      
      ·
      
        C
        P
      
      ·
      h
      ·
      
        A
        s
      
    
  

where:
As is a sheath surface area of the resistive heating element,
Cp is a specific heat of air at constant pressure,
h is a convective heat transfer coefficient,
{dot over (m)} the mass flow rate,
Tout,1 is the outlet temperature of the resistive heating element,
Tin,1 is an inlet temperature of the resistive heating element, and
Ts is a sheath temperature.