Fluid Energy Mill: Principles, construction, working, uses, merits, and demerits

Principles: A fluid energy mill is a type of size reduction equipment that utilizes a high-velocity jet of compressed gas to impact particles, causing them to break. The principle involves energy transfer from the gas to the particles, leading to the reduction of particle size. Construction: 1. Mill Chamber: Typically, a cylindrical chamber where the … Read more

Ball mill: Principles, construction, working, uses, merits, and demerits

Principles: A ball mill is a type of grinder or mill used to mill the materials into fine powder in pharmaceutical, chemical, or metallurgical industries. Ball milling relies on the impact and attrition between the balls impacting the material to be ground and the grinding media. Construction: 1. Cylindrical Shell: The ball mill consists of … Read more

Hammer Mill: Principles, construction, working, uses, merits, and demerits

Principles: A hammer mill is a versatile mill used in various industries for size reduction of solid materials. The basic principles involve crushing and pulverization. The material is fed into the mill through a feed chute and struck by hammers rotating at high speed. The impact of the hammers shatters and disintegrates the material, creating … Read more

Size reduction: objectives, Mechanisms & Laws governing size reduction, factors affecting

Size reduction is a process employed in various industries to reduce the dimensions of particles or materials, resulting in smaller pieces or particles. This reduction in size can serve multiple purposes, ranging from improving material handling to enhancing reactivity in chemical processes. The methods used for size reduction are diverse and can involve mechanical forces, … Read more

Rotameter: Components, Principle, Types, Advantages

A rotameter, also known as a variable area flowmeter, is a device used to measure the flow rate of a fluid in a pipeline. It operates based on the principle of variable area, where the fluid flow causes a float or rotor to move within a conically shaped tube. The height of the float or … Read more

Pitot tube: Components,Principle, Types, Application, Advantages

A Pitot tube is a widely used instrument for measuring the velocity of fluid flow, especially in aerodynamics and fluid dynamics applications. Named after Henri Pitot, who invented it in the 18th century, the Pitot tube relies on the principle of Bernoulli’s equation to determine fluid velocity by measuring the pressure difference between the dynamic … Read more

Venturi meter: Components, Principle, Limitation

A Venturi meter is a flow measurement device used to determine the flow rate of fluid in a pipeline. It operates based on the principle of Bernoulli’s equation, utilizing the change in cross-sectional area to create a pressure difference that correlates with the fluid flow rate. Venturi meters are commonly used in various industries for … Read more

Orifice meter: Components, Principle, Types, Advantages

An orifice meter is a widely used device for measuring the flow rate of fluids in pipelines. It operates based on the principle of restricting the flow through an orifice, creating a pressure difference across the orifice that can be correlated with the flow rate. Here is a detailed note on orifice meters, including their … Read more

Energy losses

Energy losses occur in various systems and processes due to factors such as friction, turbulence, heat transfer, and inefficiencies inherent in the design or operation of a system. Reducing energy losses is a key focus in engineering and design to enhance the efficiency and sustainability of processes. Here are common types of energy losses and … Read more

Bernoulli’s theorem and its applications

Bernoulli’s Theorem: , pressure, and elevation along a streamline. The theorem is based on the conservation of energy for an ideal fluid flowing along a streamline with no external work or heat transfer. The general form of Bernoulli’s theorem is given by: where: – P  is the pressure of the fluid. – ρ is the … Read more