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Contents of the Tribology PDF

List of 13 Tribology Formulas

Absolute Viscosity from Petroff's Equation
​Go
Angular Length of Bearing given Length of Bearing in Direction of Motion
​Go
Diameter of Shaft given Shaft Speed and Surface Velocity of Shaft
​Go
Diametrical Clearance Ratio or Relative Clearance from Petroff's Equaiton
​Go
Eccentricity Ratio given Radial Clearance and Film Thickness at any Position
​Go
Journal Diameter given Angular Length of Bearing and Length of Bearing in Direction of Motion
​Go
Length of Bearing in Direction of Motion
​Go
Load per Projected Area of Bearing from Petroff's Equation
​Go
Oil Film Thickness at any Position in Journal Bearing
​Go
Petroffs Equation for Coefficient of Friction
​Go
Radial Clearance given Eccentricity Ratio and Thickness of Film at any Position
​Go
Speed of Shaft given Diameter of Shaft and Surface Velocity of Shaft
​Go
Surface Velocity of Shaft given Shaft Speed and Diameter
​Go

Variables used in Tribology PDF

  1. B Length of Bearing in Direction of Motion (Meter)
  2. c Radial Clearance (Meter)
  3. D Shaft Diameter (Meter)
  4. h Oil Film Thickness at any Position θ (Meter)
  5. N Shaft Speed (Revolution per Second)
  6. P Load per Projected Area of Bearing (Megapascal)
  7. U Surface Velocity of Shaft (Meter per Second)
  8. β Angular or Circumferential Length of Bearing (Radian)
  9. ε Eccentricity Ratio
  10. θ Angle Measured from Point of Minimum of Oil Film (Radian)
  11. μfriction Coefficient of Friction
  12. μviscosity Dynamic Viscosity (Poise)
  13. ψ Diametrical Clearance Ratio or Relative Clearance

Constants, Functions and Measurements used in Tribology PDF

  1. Constant: pi, 3.14159265358979323846264338327950288
    Archimedes' constant
  2. Function: cos, cos(Angle)
    Cosine of an angle is the ratio of the side adjacent to the angle to the hypotenuse of the triangle.
  3. Measurement: Length in Meter (m)
    Length Unit Conversion
  4. Measurement: Pressure in Megapascal (MPa)
    Pressure Unit Conversion
  5. Measurement: Speed in Meter per Second (m/s)
    Speed Unit Conversion
  6. Measurement: Angle in Radian (rad)
    Angle Unit Conversion
  7. Measurement: Frequency in Revolution per Second (rev/s)
    Frequency Unit Conversion
  8. Measurement: Dynamic Viscosity in Poise (P)
    Dynamic Viscosity Unit Conversion
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Free Tribology PDF

Get Free Tribology 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 13 calculators from Physics. Inside, you'll discover a list of formulas such as Petroffs Equation for Coefficient of Friction, Load per Projected Area of Bearing from Petroff's Equation and 13 more formulas!. The Variables, Functions and Constants are summarized at the end. Explore and share Tribology PDFs!

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