Free and useful tools for calculation and design applications. Download solvers for calculations in engineering design, developed in excel and flash files for easy work out.

#### Pumps:

- Slurry Pump Calculations
**→** - Pump calculation
**→** - SEAI calculation sheet of pump efficiency in water pumping facility
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#### Pressure drops and fluid flow systems:

- Single Two Phase Differential Pressure Calculator
**→** - Pressure Drop Calculator for Power Law Fluids
**→** - Orifice Flow Calculator for gases and steam
**→** - Turbulent flow Calculator
**→** - Fluid Flow Calculator
**→** - Pipe Friction Calculation for Fluid Flow in a Pipe
**→** - Tank Draining Time
**→** - Manometer reading calculation
**→** - Total Length calculator for Pipes Valves and Fittings
**→** - Regulator flow calculator with valve and liquid CV
**→** - Calculator of corrected differential pressure
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#### Physics/thermodynamics:

- Density calculator
**→** - Critical temperature and Critical Pressure data
**→** - Temperature units converter
**→** - Peng- Robinson solver to calculate pressure, volume, temperature
**→** - Physical Properties Data Bank
**→** - Vapor Pressure of Mixtures Calculator
**→** - Thermal Diffusivity Calculator
**→** - Length Converter
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#### Process equipments :

- Column Diameter and HETP Calculation
**→** - Pressure Vessel Design Calculation
**→** - Pressure vessel engineering ltd's design sheet of elliptical head
**→** - Excellent design tool for tori-spherical head, ellipsoidal head of vertical and horizontal vessels
**→** - ASME mechanical design of pressure vessel
**→** - Calculation of volume required for heating system expansion vessel
**→** - Control Valve Sizing for liquids and Gases Streams
**→** - Agitator Power Requirement
**→** - Nitrogen Charge Estimator
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#### Process calculations:

- Natural Gas Yield
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#### Heat transfer and handling equipment:

- Thermosiphon reboiler solver to calculate heat transfer coefficient and pressure drop
**→** - Boiler Feed Water Calculator
**→** - Boiler blowdown estimator
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#### Mathematical solver:

#### Reaction engineering:

- Equilibrium constant (K) calculation sheet, for stoichiometric chemical reaction equation at standard state
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#### Energy balance:

- Calculation tool for heat loss from surface of the vessel
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#### Vehicles:

- Aircraft design to calculate climb, cruise and max speed
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#### Refrigeration and air conditioning:

- Calculation of Walk-In Refrigerated Storage, Reach-In Refrigerated Storage, Dry storage for Storeroom or area,
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