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Engineering Fundamentals

Understand the theory, equations, methods and engineering principles behind ChemProCal calculations.

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7 Articles
Engineering Theory
Thermodynamics Theory Beginner

Compressor Sizing & Power Calculation: Complete Engineering Guide

Compressor sizing requires thermodynamic analysis of compression paths, gas properties, pressure ratio, efficiency, discharge temperature and driver power. This guide …

24 min read
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Engineering Theory
Thermodynamics Calculation Guide

Control Valve Sizing for Gases

Learn about the ISA equations for gas control valves, expansion factors, and choked flow phenomena.

24 min read
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Enthalpy (h) P Critical Point Liquid Two-Phase Vapor IAPWS-IF97
Thermodynamics Design Guide

Steam Tables: IAPWS-IF97 Formulations

Understand the international standards for water and steam properties and their application in power cycles.

9 min read
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Volume (V) P Suction (1) Discharge (2) Isentropic Polytropic Isothermal
Thermodynamics Worked Example

Compressor Sizing: Polytropic & Isentropic Work

A deep dive into gas compression thermodynamics, efficiency, and absorbed power calculations.

24 min read
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Engineering Theory
Thermodynamics

Psychrometrics: Air and Moisture Thermodynamics

Understand the relationships between dry bulb, wet bulb, relative humidity, and enthalpy in air-water vapor mixtures.

20 min read
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Engineering Theory
Thermodynamics Theory Advanced

Equation of State (EOS) & Real Gas Properties Theory: Peng-Robinson & Beyond

Explore the core thermodynamic equations, including Peng-Robinson and SRK, for accurately predicting gas behavior.

8 min read
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Engineering Theory
Thermodynamics

Cooling Tower Design & Sizing: Thermodynamic Theory

Learn the core principles of cooling tower heat and mass balance, including evaporative loss, drift, blowdown, and parasitic power calculations.

23 min read
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