machine-design

Learn the basics of P&ID instrument symbols in chemical plants. A beginner-friendly guide to understanding what each letter and shape means in simple terms.

Learn what critical speed means in agitator design. This practical guide explains resonance principles, simple calculations, and why partial liquid operation poses the highest risk.

初心者でもわかる撹拌槽の撹拌軸強度計算の基本を解説。ねじりモーメント・曲げモーメントから軸寸法の決め方まで、実務で使えるステップを丁寧に紹介します。オーナーエンジニア必見。

Learn the basics of flooding in packed towers. Understand why it happens, what it looks like, and how to prevent it in chemical plant operations.

Learn the fundamentals of agitator design by understanding power per unit volume (Pv) and its relationship with motor power. Practical guidance for scale-up, slurry mixing, and equipment specification.

Learn the basics of mixing power calculation for agitated tanks.Understand how impeller size, speed, and power number affect energy use — explained simply for plant engineers and beginners.

Learn how cooling towers work — from evaporation principles and internal structure to circulating water management and maintenance tips. A complete beginner’s guide for process and plant engineers.

This article explains the fundamental functions and roles of pumps in chemical plants, including centrifugal pump operation, utility, process, and vacuum applications. Ideal for beginner M&E engineers seeking practical knowledge.

Learn the fundamentals of the beam vibration equation. This beginner-friendly guide explains how deflection, moment, and stiffness come together in vibration mechanics — without unnecessary math.

A detailed guide to two-degree-of-freedom vibration systems. Learn how to model, solve, and interpret vibration equations — with clear explanations for mechanical and plant engineers.