Канал: Marcos Vianna

2 different pumps in parallel: How do they run?

2 different pumps in parallel: How do they run?

Water hammer: slow closure of the valve and the Michaud's equation

Water hammer: slow closure of the valve and the Michaud's equation

Water Hammer: quick closure - what does it mean

Water Hammer: quick closure - what does it mean

Instantaneous closure

Instantaneous closure

Celerity

Celerity

Bulk elasticity modulus

Bulk elasticity modulus

Water hammer: Joukowsky equation

Water hammer: Joukowsky equation

Pneumatic caisson

Pneumatic caisson

Specific speed

Specific speed

Can we estimate the NPSHr value?

Can we estimate the NPSHr value?

Available NPSH (NPSHa) and required NPSH (NPSHr)

Available NPSH (NPSHa) and required NPSH (NPSHr)

2 pumps in parallel: How do they run?

2 pumps in parallel: How do they run?

Variable velocity: how to find efficiency power and NPSHr algebraically

Variable velocity: how to find efficiency power and NPSHr algebraically

Velocity x Q x H algebraically

Velocity x Q x H algebraically

Variable velocity pumps

Variable velocity pumps

Least squares method for power, NPSHr and efficiency curves

Least squares method for power, NPSHr and efficiency curves

Least squares method for pump curves

Least squares method for pump curves

How to find the operating point of a pump in a system

How to find the operating point of a pump in a system

Differential pressure liquid manometers: it's easy!

Differential pressure liquid manometers: it's easy!

Piezometers and liquid manometers: practical tips for success!

Piezometers and liquid manometers: practical tips for success!

Compressible Fluids: Decoding the Mysteries of the Atmosphere

Compressible Fluids: Decoding the Mysteries of the Atmosphere

From Confusion to Clarity: Understanding Pressure Diagrams

From Confusion to Clarity: Understanding Pressure Diagrams

Fluid statics 1: the Science of Stillness

Fluid statics 1: the Science of Stillness

Viscosity and Surface Tension: the Surprising Power of these Properties!

Viscosity and Surface Tension: the Surprising Power of these Properties!

Physical properties: Unlocking the Secrets of Fluid Mechanics

Physical properties: Unlocking the Secrets of Fluid Mechanics

Breaking Down the Continuous Assumption: Understanding its Significance

Breaking Down the Continuous Assumption: Understanding its Significance

The Easy Way to Calculate Friction Coefficients: Churchill Formula

The Easy Way to Calculate Friction Coefficients: Churchill Formula

The amazing Reynolds experiment: laminar or turbulent flow

The amazing Reynolds experiment: laminar or turbulent flow

Viscosity 101: What you need to know

Viscosity 101: What you need to know

How to calculate head losses

How to calculate head losses

The Pressure is On! A Beginner's Guide to Water Vapor Pressure

The Pressure is On! A Beginner's Guide to Water Vapor Pressure

Gauge and absolute pressure for hydraulic engineers

Gauge and absolute pressure for hydraulic engineers

Stevin’s law: How does water pressure vary with depth?

Stevin’s law: How does water pressure vary with depth?

Hydraulic Head 101: Understanding the Basics

Hydraulic Head 101: Understanding the Basics

NPSH curves

NPSH curves

Isoefficiency curves

Isoefficiency curves

Pump power curves determination: How are they obtained?

Pump power curves determination: How are they obtained?

What effect does the impeller diameter have on the pump flow?

What effect does the impeller diameter have on the pump flow?

How are pump head vs flow curves obtained?

How are pump head vs flow curves obtained?