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   Ducts PDF
Formulas : 29
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Contents of the Ducts PDF

List of 29 Ducts Formulas

Cross-Sectional Area of Duct at Section 1 using Continuity Equation
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Cross-Sectional Area of Duct at Section 2 using Continuity Equation
​Go
Dynamic Loss Coefficient given Dynamic Pressure Loss
​Go
Dynamic Loss Coefficient given Equivalent Additional Length
​Go
Dynamic Pressure Loss
​Go
Equivalent Diameter of Circular Duct for Rectangular Duct when Quantity of Air is Same
​Go
Equivalent Diameter of Circular Duct for Rectangular Duct when Velocity of Air is Same
​Go
Friction Factor for Laminar Flow in Duct
​Go
Friction Factor for Turbulent Flow in Duct
​Go
Length of Duct given Pressure Loss due to Friction
​Go
Pressure Drop in Circular Duct
​Go
Pressure Drop in Square Duct
​Go
Pressure Loss at Discharge or Exit
​Go
Pressure Loss at Suction
​Go
Pressure Loss Coefficient at Inlet of Duct
​Go
Pressure Loss Coefficient at Outlet of Duct
​Go
Pressure Loss due to Friction in Ducts
​Go
Pressure Loss due to Gradual Contraction given Pressure Loss Coefficient at Section 1
​Go
Pressure Loss due to Gradual Contraction given Velocity of Air at Point 2
​Go
Pressure Loss due to Sudden Contraction given Velocity of Air at Point 1
​Go
Pressure Loss due to Sudden Contraction given Velocity of Air at point 2
​Go
Pressure Loss due to Sudden Enlargement
​Go
Quantity of Air given Velocity
​Go
Reynolds Number given Friction Factor for Laminar Flow
​Go
Reynolds Number in Duct
​Go
Total Pressure required at Inlet to Duct
​Go
Velocity of Air at Duct Section 1 using Continuity Equation
​Go
Velocity of Air at Duct Section 2 using Continuity Equation
​Go
Velocity Pressure in Ducts
​Go

Variables used in Ducts PDF

  1. a Longer Side (Meter)
  2. A1 Cross-Sectional Area of Duct at Section 1 (Square Meter)
  3. A2 Cross-Sectional Area of Duct at Section 2 (Square Meter)
  4. Acs Cross-Sectional Area of Duct (Square Meter)
  5. b Shorter Side (Meter)
  6. C Dynamic Loss Coefficient
  7. C1 Pressure Loss Coefficient at 1
  8. C2 Pressure Loss Coefficient at 2
  9. Cr Pressure Loss Coefficient
  10. d Diameter of Circular Duct (Meter)
  11. De Equivalent Diameter of Duct (Meter)
  12. f Friction Factor in Duct
  13. flaminar Friction Factor for Laminar Flow
  14. fturbulent Friction Factor for Turbulent Flow in Duct
  15. L Length of Duct (Meter)
  16. Le Equivalent Additional Length (Meter)
  17. m Hydraulic Mean Depth (Meter)
  18. Pd Dynamic Pressure Loss (Millimeter Water (4 °C))
  19. Pt Total Pressure Required (Millimeter Water (4 °C))
  20. Pv Velocity Pressure in Duct (Millimeter Water (4 °C))
  21. Q Quantity of Air (Cubic Meter per Second)
  22. Re Reynolds Number
  23. S Side (Meter)
  24. V Velocity of Air (Meter per Second)
  25. V1 Velocity of Air at Section 1 (Meter per Second)
  26. V2 Velocity of Air at Section 2 (Meter per Second)
  27. Vm Mean Velocity of Air (Meter per Second)
  28. ΔPc Pressure Drop in Circular Duct (Millimeter Water (4 °C))
  29. ΔPdis Pressure Loss at Discharge (Millimeter Water (4 °C))
  30. ΔPf Pressure Loss Due to Friction in Ducts (Millimeter Water (4 °C))
  31. ΔPgc Pressure Loss due to Gradual Contraction (Millimeter Water (4 °C))
  32. ΔPs Pressure Drop in Square Duct (Millimeter Water (4 °C))
  33. ΔPsc 1 Pressure Loss due to Sudden Contraction at point 1 (Millimeter Water (4 °C))
  34. ΔPsc 2 Pressure Loss due to Sudden Contraction at point 2 (Millimeter Water (4 °C))
  35. ΔPse Pressure Loss due to Sudden Enlargement (Millimeter Water (4 °C))
  36. ρair Air Density (Kilogram per Cubic Meter)
  37. υ Kinematic Viscosity (Square Meter per Second)

Constants, Functions and Measurements used in Ducts PDF

  1. Measurement: Length in Meter (m)
    Length Unit Conversion
  2. Measurement: Area in Square Meter (m²)
    Area Unit Conversion
  3. Measurement: Pressure in Millimeter Water (4 °C) (mmAq)
    Pressure Unit Conversion
  4. Measurement: Speed in Meter per Second (m/s)
    Speed Unit Conversion
  5. Measurement: Volumetric Flow Rate in Cubic Meter per Second (m³/s)
    Volumetric Flow Rate Unit Conversion
  6. Measurement: Kinematic Viscosity in Square Meter per Second (m²/s)
    Kinematic Viscosity Unit Conversion
  7. Measurement: Density in Kilogram per Cubic Meter (kg/m³)
    Density Unit Conversion
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Free Ducts PDF

Get Free Ducts PDF for Download today. Examples are included after each Formula with a link to a live Calculator! All the Formulas and Calculators support Unit Conversion as well. This PDF features 29 calculators from Mechanical. Inside, you'll discover a list of formulas such as Cross-Sectional Area of Duct at Section 1 using Continuity Equation, Cross-Sectional Area of Duct at Section 2 using Continuity Equation and 29 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Ducts PDFs!

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