Engineering Blog, News & Technical Articles
16 posts
Deep Dive: Electrical Protection Systems - Short Circuit Analysis and Circuit Breaker Selection Guide
Learn how to design safe electrical protection systems using short circuit analysis. Understand circuit breaker selection, breaking capacity requirements, and IEC 60909 standards.
A Beginner's Guide to the Psychrometric Chart
Demystify the psychrometric chart. This guide explains the key properties of air, how to read the chart, and why it's an essential tool for HVAC engineers.
NPSH Explained: A Practical Guide to Avoiding Pump Cavitation
A deep dive into Net Positive Suction Head (NPSH). Learn what NPSHa and NPSHr are, why they are critical for pump selection, and how to prevent pump cavitation.
Optimizing HVAC Ductwork: A Guide to Minimizing Pressure Loss
Learn how to minimize pressure loss in HVAC ductwork to improve system efficiency, reduce energy consumption, and ensure optimal airflow distribution.
Fluid Mechanics in Engineering: From Bernoulli's Principle to Real-World Pump Systems
Master the fundamental principles of fluid mechanics: pressure, flow, Bernoulli's equation, friction losses, and their practical applications in pumps, pipes, and hydraulic systems. Engineering guide with worked examples.
Pump Sizing Fundamentals: How to Calculate Power, TDH, and Select the Right Motor
Comprehensive guide to pump sizing calculations including hydraulic power, total dynamic head (TDH), NPSH, motor selection, and real-world examples. Professional engineering reference based on Hydraulic Institute Standards.
Cable Sizing Masterclass: IEC 60364-5-52 Derating Factors with Interactive Calculator
Master electrical cable sizing with interactive derating visualizer. Temperature, grouping & installation method factors explained with 10+ worked examples per IEC 60364-5-52 standards.
Electrical Safety Standards: Understanding IEC 60364 for Low-Voltage Installations
Comprehensive guide to IEC 60364 electrical safety standards. Learn about protection against electric shock, earthing systems (TN, TT, IT), residual current devices (RCDs), and best practices for compliant low-voltage installations.
Deep Dive: Voltage Drop - Why Your Lights Dim and Motors Struggle
Discover why voltage drop matters in electrical systems, how it affects equipment performance, and practical solutions to prevent costly problems. Real-world examples and simple explanations for engineers and facility managers.
Structural Analysis Basics: From Theory to Practice
Explore fundamental concepts of structural engineering analysis with real-world case studies. Learn how proper structural design prevents failures and ensures safety.
HVAC Design Fundamentals: Creating Comfortable, Efficient Indoor Environments
Master the fundamentals of HVAC system design with practical examples, industry standards, and real-world applications. Learn heat load calculations, airflow design, and duct sizing principles.
Introducing Enginist: 100% Free Engineering Calculators
Enginist provides free professional engineering calculators with transparent formulas, standards references, and no paywalls. Power factor, voltage drop, HVAC sizing, pump calculations - all free, forever.
The Essentials of Indoor Pool Ventilation: A Design Guide
A comprehensive guide to designing effective ventilation systems for indoor pools, focusing on humidity control, air distribution, and energy efficiency.
An Introduction to Beam Deflection: Understanding the Basics
A foundational guide to beam deflection. Learn what it is, why it's a critical factor in structural engineering, and the key concepts behind the calculations.
What is a Balance Vessel and Why Do You Need One in Your Heating System?
An essential guide to understanding balance vessels (or buffer tanks) in hydronic heating systems. Learn their purpose, benefits, and when you need one.
Why Fresh Air Matters: A Guide to Ventilation and Indoor Air Quality (IAQ)
An essential guide to understanding the importance of fresh air ventilation for maintaining good Indoor Air Quality (IAQ), health, and comfort in buildings.