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Web site assists mechanical calcs

Web site engineer/mechanic/mechanic.htm is for designers with links to tools for calculating aerodynamic flow, aggregate properties, thermo-dynamics, valve sizing, and a variety of other calculators and worksheets.

These links include:

  • TEST — The Expert System for Thermodynamics®, a general-purpose visual tool for solving thermodynamic problems and performing “what-if” scenarios;
  • Psychrometric Calculator, used to compute thermodynamic properties of moist air;
  • Saturated Steam Tables, used to compute thermodynamic properties of saturated steam; and
  • Air Duct Calculator, used to size ductwork and calculate duct pressure losses.


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