Fill the known values
  Inside diameter Di tube (mm) mm  
  Fluid velocity v (m/s) m/s  
  Fluid flow rate qm (m3/h) m3/h  
  Delta T of the heating network ΔT (K) °C  
  Heating power Q (kW) kW  
         
         
         
  Result
    Diameter-Speed-Flow Flow-Power-Temperature Power-temperature-speed-diameter
  Inside diameter Di tube (mm)  
  Fluid velocity v (m/s)  
  Fluid flow rate qm (m3/h)  
  Delta T of the heating network ΔT (K)  
  Heating power Q (kW)  
  Formula Di = √((353,368 * qm) / v) qm = Q / (Cp * ΔT) qm = 3600 * v * ((π * (Di / 1000)²) / 4)
         
         
  Formula used :  Di = √((353 * qm) / v)    
  Formula used :  qm = 3600 * v * ((π * (Di / 1000)²) / 4)    
  Formula used :  Q = qm * Cp * ΔT    
  Formula used :  qm = Q / (Cp * ΔT)